[bugfix] Fix Swagger spec and add test script (#2698)

* Add Swagger spec test script

* Fix Swagger spec errors not related to statuses with polls

* Add API tests that post a status with a poll

* Fix creating a status with a poll from form params

* Fix Swagger spec errors related to statuses with polls (this is the last error)

* Fix Swagger spec warnings not related to unused definitions

* Suppress a duplicate list update params definition that was somehow causing wrong param names

* Add Swagger test to CI

- updates Drone config
- vendorizes go-swagger
- fixes a file extension issue that caused the test script to generate JSON instead of YAML with the vendorized version

* Put `Sample: ` on its own line everywhere

* Remove unused id param from emojiCategoriesGet

* Add 5 more pairs of profile fields to account update API Swagger

* Remove Swagger prefix from dummy fields

It makes the generated code look weird

* Manually annotate params for statusCreate operation

* Fix all remaining Swagger spec warnings

- Change some models into operation parameters
- Ignore models that already correspond to manually documented operation parameters but can't be trivially changed (those with file fields)

* Documented that creating a status with scheduled_at isn't implemented yet

* sign drone.yml

* Fix filter API Swagger errors

* fixup! Fix filter API Swagger errors

---------

Co-authored-by: tobi <tobi.smethurst@protonmail.com>

68 files changed, 17506 insertions, 0 deletions

diff --git a/vendor/go.mongodb.org/mongo-driver/LICENSE b/vendor/go.mongodb.org/mongo-driver/LICENSE
new file mode 100644
index 000000000..261eeb9e9
--- /dev/null
+++ b/vendor/go.mongodb.org/mongo-driver/LICENSE
@@ -0,0 +1,201 @@
+                                 Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+   1. Definitions.
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+      "License" shall mean the terms and conditions for use, reproduction,
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+      outstanding shares, or (iii) beneficial ownership of such entity.
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+      "You" (or "Your") shall mean an individual or Legal Entity
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+   distributed under the License is distributed on an "AS IS" BASIS,
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diff --git a/vendor/go.mongodb.org/mongo-driver/bson/bson.go b/vendor/go.mongodb.org/mongo-driver/bson/bson.go
new file mode 100644
index 000000000..a0d818582
--- /dev/null
+++ b/vendor/go.mongodb.org/mongo-driver/bson/bson.go
@@ -0,0 +1,50 @@
+// Copyright (C) MongoDB, Inc. 2017-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+//
+// Based on gopkg.in/mgo.v2/bson by Gustavo Niemeyer
+// See THIRD-PARTY-NOTICES for original license terms.
+
+package bson // import "go.mongodb.org/mongo-driver/bson"
+
+import (
+	"go.mongodb.org/mongo-driver/bson/primitive"
+)
+
+// Zeroer allows custom struct types to implement a report of zero
+// state. All struct types that don't implement Zeroer or where IsZero
+// returns false are considered to be not zero.
+type Zeroer interface {
+	IsZero() bool
+}
+
+// D is an ordered representation of a BSON document. This type should be used when the order of the elements matters,
+// such as MongoDB command documents. If the order of the elements does not matter, an M should be used instead.
+//
+// A D should not be constructed with duplicate key names, as that can cause undefined server behavior.
+//
+// Example usage:
+//
+//	bson.D{{"foo", "bar"}, {"hello", "world"}, {"pi", 3.14159}}
+type D = primitive.D
+
+// E represents a BSON element for a D. It is usually used inside a D.
+type E = primitive.E
+
+// M is an unordered representation of a BSON document. This type should be used when the order of the elements does not
+// matter. This type is handled as a regular map[string]interface{} when encoding and decoding. Elements will be
+// serialized in an undefined, random order. If the order of the elements matters, a D should be used instead.
+//
+// Example usage:
+//
+//	bson.M{"foo": "bar", "hello": "world", "pi": 3.14159}
+type M = primitive.M
+
+// An A is an ordered representation of a BSON array.
+//
+// Example usage:
+//
+//	bson.A{"bar", "world", 3.14159, bson.D{{"qux", 12345}}}
+type A = primitive.A
diff --git a/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/array_codec.go b/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/array_codec.go
new file mode 100644
index 000000000..4e24f9eed
--- /dev/null
+++ b/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/array_codec.go
@@ -0,0 +1,50 @@
+// Copyright (C) MongoDB, Inc. 2017-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+
+package bsoncodec
+
+import (
+	"reflect"
+
+	"go.mongodb.org/mongo-driver/bson/bsonrw"
+	"go.mongodb.org/mongo-driver/x/bsonx/bsoncore"
+)
+
+// ArrayCodec is the Codec used for bsoncore.Array values.
+type ArrayCodec struct{}
+
+var defaultArrayCodec = NewArrayCodec()
+
+// NewArrayCodec returns an ArrayCodec.
+func NewArrayCodec() *ArrayCodec {
+	return &ArrayCodec{}
+}
+
+// EncodeValue is the ValueEncoder for bsoncore.Array values.
+func (ac *ArrayCodec) EncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error {
+	if !val.IsValid() || val.Type() != tCoreArray {
+		return ValueEncoderError{Name: "CoreArrayEncodeValue", Types: []reflect.Type{tCoreArray}, Received: val}
+	}
+
+	arr := val.Interface().(bsoncore.Array)
+	return bsonrw.Copier{}.CopyArrayFromBytes(vw, arr)
+}
+
+// DecodeValue is the ValueDecoder for bsoncore.Array values.
+func (ac *ArrayCodec) DecodeValue(dc DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error {
+	if !val.CanSet() || val.Type() != tCoreArray {
+		return ValueDecoderError{Name: "CoreArrayDecodeValue", Types: []reflect.Type{tCoreArray}, Received: val}
+	}
+
+	if val.IsNil() {
+		val.Set(reflect.MakeSlice(val.Type(), 0, 0))
+	}
+
+	val.SetLen(0)
+	arr, err := bsonrw.Copier{}.AppendArrayBytes(val.Interface().(bsoncore.Array), vr)
+	val.Set(reflect.ValueOf(arr))
+	return err
+}
diff --git a/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/bsoncodec.go b/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/bsoncodec.go
new file mode 100644
index 000000000..098ed69f9
--- /dev/null
+++ b/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/bsoncodec.go
@@ -0,0 +1,238 @@
+// Copyright (C) MongoDB, Inc. 2017-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+
+package bsoncodec // import "go.mongodb.org/mongo-driver/bson/bsoncodec"
+
+import (
+	"fmt"
+	"reflect"
+	"strings"
+
+	"go.mongodb.org/mongo-driver/bson/bsonrw"
+	"go.mongodb.org/mongo-driver/bson/bsontype"
+	"go.mongodb.org/mongo-driver/bson/primitive"
+)
+
+var (
+	emptyValue = reflect.Value{}
+)
+
+// Marshaler is an interface implemented by types that can marshal themselves
+// into a BSON document represented as bytes. The bytes returned must be a valid
+// BSON document if the error is nil.
+type Marshaler interface {
+	MarshalBSON() ([]byte, error)
+}
+
+// ValueMarshaler is an interface implemented by types that can marshal
+// themselves into a BSON value as bytes. The type must be the valid type for
+// the bytes returned. The bytes and byte type together must be valid if the
+// error is nil.
+type ValueMarshaler interface {
+	MarshalBSONValue() (bsontype.Type, []byte, error)
+}
+
+// Unmarshaler is an interface implemented by types that can unmarshal a BSON
+// document representation of themselves. The BSON bytes can be assumed to be
+// valid. UnmarshalBSON must copy the BSON bytes if it wishes to retain the data
+// after returning.
+type Unmarshaler interface {
+	UnmarshalBSON([]byte) error
+}
+
+// ValueUnmarshaler is an interface implemented by types that can unmarshal a
+// BSON value representation of themselves. The BSON bytes and type can be
+// assumed to be valid. UnmarshalBSONValue must copy the BSON value bytes if it
+// wishes to retain the data after returning.
+type ValueUnmarshaler interface {
+	UnmarshalBSONValue(bsontype.Type, []byte) error
+}
+
+// ValueEncoderError is an error returned from a ValueEncoder when the provided value can't be
+// encoded by the ValueEncoder.
+type ValueEncoderError struct {
+	Name     string
+	Types    []reflect.Type
+	Kinds    []reflect.Kind
+	Received reflect.Value
+}
+
+func (vee ValueEncoderError) Error() string {
+	typeKinds := make([]string, 0, len(vee.Types)+len(vee.Kinds))
+	for _, t := range vee.Types {
+		typeKinds = append(typeKinds, t.String())
+	}
+	for _, k := range vee.Kinds {
+		if k == reflect.Map {
+			typeKinds = append(typeKinds, "map[string]*")
+			continue
+		}
+		typeKinds = append(typeKinds, k.String())
+	}
+	received := vee.Received.Kind().String()
+	if vee.Received.IsValid() {
+		received = vee.Received.Type().String()
+	}
+	return fmt.Sprintf("%s can only encode valid %s, but got %s", vee.Name, strings.Join(typeKinds, ", "), received)
+}
+
+// ValueDecoderError is an error returned from a ValueDecoder when the provided value can't be
+// decoded by the ValueDecoder.
+type ValueDecoderError struct {
+	Name     string
+	Types    []reflect.Type
+	Kinds    []reflect.Kind
+	Received reflect.Value
+}
+
+func (vde ValueDecoderError) Error() string {
+	typeKinds := make([]string, 0, len(vde.Types)+len(vde.Kinds))
+	for _, t := range vde.Types {
+		typeKinds = append(typeKinds, t.String())
+	}
+	for _, k := range vde.Kinds {
+		if k == reflect.Map {
+			typeKinds = append(typeKinds, "map[string]*")
+			continue
+		}
+		typeKinds = append(typeKinds, k.String())
+	}
+	received := vde.Received.Kind().String()
+	if vde.Received.IsValid() {
+		received = vde.Received.Type().String()
+	}
+	return fmt.Sprintf("%s can only decode valid and settable %s, but got %s", vde.Name, strings.Join(typeKinds, ", "), received)
+}
+
+// EncodeContext is the contextual information required for a Codec to encode a
+// value.
+type EncodeContext struct {
+	*Registry
+	MinSize bool
+}
+
+// DecodeContext is the contextual information required for a Codec to decode a
+// value.
+type DecodeContext struct {
+	*Registry
+	Truncate bool
+
+	// Ancestor is the type of a containing document. This is mainly used to determine what type
+	// should be used when decoding an embedded document into an empty interface. For example, if
+	// Ancestor is a bson.M, BSON embedded document values being decoded into an empty interface
+	// will be decoded into a bson.M.
+	//
+	// Deprecated: Use DefaultDocumentM or DefaultDocumentD instead.
+	Ancestor reflect.Type
+
+	// defaultDocumentType specifies the Go type to decode top-level and nested BSON documents into. In particular, the
+	// usage for this field is restricted to data typed as "interface{}" or "map[string]interface{}". If DocumentType is
+	// set to a type that a BSON document cannot be unmarshaled into (e.g. "string"), unmarshalling will result in an
+	// error. DocumentType overrides the Ancestor field.
+	defaultDocumentType reflect.Type
+}
+
+// DefaultDocumentM will decode empty documents using the primitive.M type. This behavior is restricted to data typed as
+// "interface{}" or "map[string]interface{}".
+func (dc *DecodeContext) DefaultDocumentM() {
+	dc.defaultDocumentType = reflect.TypeOf(primitive.M{})
+}
+
+// DefaultDocumentD will decode empty documents using the primitive.D type. This behavior is restricted to data typed as
+// "interface{}" or "map[string]interface{}".
+func (dc *DecodeContext) DefaultDocumentD() {
+	dc.defaultDocumentType = reflect.TypeOf(primitive.D{})
+}
+
+// ValueCodec is the interface that groups the methods to encode and decode
+// values.
+type ValueCodec interface {
+	ValueEncoder
+	ValueDecoder
+}
+
+// ValueEncoder is the interface implemented by types that can handle the encoding of a value.
+type ValueEncoder interface {
+	EncodeValue(EncodeContext, bsonrw.ValueWriter, reflect.Value) error
+}
+
+// ValueEncoderFunc is an adapter function that allows a function with the correct signature to be
+// used as a ValueEncoder.
+type ValueEncoderFunc func(EncodeContext, bsonrw.ValueWriter, reflect.Value) error
+
+// EncodeValue implements the ValueEncoder interface.
+func (fn ValueEncoderFunc) EncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error {
+	return fn(ec, vw, val)
+}
+
+// ValueDecoder is the interface implemented by types that can handle the decoding of a value.
+type ValueDecoder interface {
+	DecodeValue(DecodeContext, bsonrw.ValueReader, reflect.Value) error
+}
+
+// ValueDecoderFunc is an adapter function that allows a function with the correct signature to be
+// used as a ValueDecoder.
+type ValueDecoderFunc func(DecodeContext, bsonrw.ValueReader, reflect.Value) error
+
+// DecodeValue implements the ValueDecoder interface.
+func (fn ValueDecoderFunc) DecodeValue(dc DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error {
+	return fn(dc, vr, val)
+}
+
+// typeDecoder is the interface implemented by types that can handle the decoding of a value given its type.
+type typeDecoder interface {
+	decodeType(DecodeContext, bsonrw.ValueReader, reflect.Type) (reflect.Value, error)
+}
+
+// typeDecoderFunc is an adapter function that allows a function with the correct signature to be used as a typeDecoder.
+type typeDecoderFunc func(DecodeContext, bsonrw.ValueReader, reflect.Type) (reflect.Value, error)
+
+func (fn typeDecoderFunc) decodeType(dc DecodeContext, vr bsonrw.ValueReader, t reflect.Type) (reflect.Value, error) {
+	return fn(dc, vr, t)
+}
+
+// decodeAdapter allows two functions with the correct signatures to be used as both a ValueDecoder and typeDecoder.
+type decodeAdapter struct {
+	ValueDecoderFunc
+	typeDecoderFunc
+}
+
+var _ ValueDecoder = decodeAdapter{}
+var _ typeDecoder = decodeAdapter{}
+
+// decodeTypeOrValue calls decoder.decodeType is decoder is a typeDecoder. Otherwise, it allocates a new element of type
+// t and calls decoder.DecodeValue on it.
+func decodeTypeOrValue(decoder ValueDecoder, dc DecodeContext, vr bsonrw.ValueReader, t reflect.Type) (reflect.Value, error) {
+	td, _ := decoder.(typeDecoder)
+	return decodeTypeOrValueWithInfo(decoder, td, dc, vr, t, true)
+}
+
+func decodeTypeOrValueWithInfo(vd ValueDecoder, td typeDecoder, dc DecodeContext, vr bsonrw.ValueReader, t reflect.Type, convert bool) (reflect.Value, error) {
+	if td != nil {
+		val, err := td.decodeType(dc, vr, t)
+		if err == nil && convert && val.Type() != t {
+			// This conversion step is necessary for slices and maps. If a user declares variables like:
+			//
+			// type myBool bool
+			// var m map[string]myBool
+			//
+			// and tries to decode BSON bytes into the map, the decoding will fail if this conversion is not present
+			// because we'll try to assign a value of type bool to one of type myBool.
+			val = val.Convert(t)
+		}
+		return val, err
+	}
+
+	val := reflect.New(t).Elem()
+	err := vd.DecodeValue(dc, vr, val)
+	return val, err
+}
+
+// CodecZeroer is the interface implemented by Codecs that can also determine if
+// a value of the type that would be encoded is zero.
+type CodecZeroer interface {
+	IsTypeZero(interface{}) bool
+}
diff --git a/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/byte_slice_codec.go b/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/byte_slice_codec.go
new file mode 100644
index 000000000..5a916cc15
--- /dev/null
+++ b/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/byte_slice_codec.go
@@ -0,0 +1,111 @@
+// Copyright (C) MongoDB, Inc. 2017-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+
+package bsoncodec
+
+import (
+	"fmt"
+	"reflect"
+
+	"go.mongodb.org/mongo-driver/bson/bsonoptions"
+	"go.mongodb.org/mongo-driver/bson/bsonrw"
+	"go.mongodb.org/mongo-driver/bson/bsontype"
+)
+
+// ByteSliceCodec is the Codec used for []byte values.
+type ByteSliceCodec struct {
+	EncodeNilAsEmpty bool
+}
+
+var (
+	defaultByteSliceCodec = NewByteSliceCodec()
+
+	_ ValueCodec  = defaultByteSliceCodec
+	_ typeDecoder = defaultByteSliceCodec
+)
+
+// NewByteSliceCodec returns a StringCodec with options opts.
+func NewByteSliceCodec(opts ...*bsonoptions.ByteSliceCodecOptions) *ByteSliceCodec {
+	byteSliceOpt := bsonoptions.MergeByteSliceCodecOptions(opts...)
+	codec := ByteSliceCodec{}
+	if byteSliceOpt.EncodeNilAsEmpty != nil {
+		codec.EncodeNilAsEmpty = *byteSliceOpt.EncodeNilAsEmpty
+	}
+	return &codec
+}
+
+// EncodeValue is the ValueEncoder for []byte.
+func (bsc *ByteSliceCodec) EncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error {
+	if !val.IsValid() || val.Type() != tByteSlice {
+		return ValueEncoderError{Name: "ByteSliceEncodeValue", Types: []reflect.Type{tByteSlice}, Received: val}
+	}
+	if val.IsNil() && !bsc.EncodeNilAsEmpty {
+		return vw.WriteNull()
+	}
+	return vw.WriteBinary(val.Interface().([]byte))
+}
+
+func (bsc *ByteSliceCodec) decodeType(dc DecodeContext, vr bsonrw.ValueReader, t reflect.Type) (reflect.Value, error) {
+	if t != tByteSlice {
+		return emptyValue, ValueDecoderError{
+			Name:     "ByteSliceDecodeValue",
+			Types:    []reflect.Type{tByteSlice},
+			Received: reflect.Zero(t),
+		}
+	}
+
+	var data []byte
+	var err error
+	switch vrType := vr.Type(); vrType {
+	case bsontype.String:
+		str, err := vr.ReadString()
+		if err != nil {
+			return emptyValue, err
+		}
+		data = []byte(str)
+	case bsontype.Symbol:
+		sym, err := vr.ReadSymbol()
+		if err != nil {
+			return emptyValue, err
+		}
+		data = []byte(sym)
+	case bsontype.Binary:
+		var subtype byte
+		data, subtype, err = vr.ReadBinary()
+		if err != nil {
+			return emptyValue, err
+		}
+		if subtype != bsontype.BinaryGeneric && subtype != bsontype.BinaryBinaryOld {
+			return emptyValue, decodeBinaryError{subtype: subtype, typeName: "[]byte"}
+		}
+	case bsontype.Null:
+		err = vr.ReadNull()
+	case bsontype.Undefined:
+		err = vr.ReadUndefined()
+	default:
+		return emptyValue, fmt.Errorf("cannot decode %v into a []byte", vrType)
+	}
+	if err != nil {
+		return emptyValue, err
+	}
+
+	return reflect.ValueOf(data), nil
+}
+
+// DecodeValue is the ValueDecoder for []byte.
+func (bsc *ByteSliceCodec) DecodeValue(dc DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error {
+	if !val.CanSet() || val.Type() != tByteSlice {
+		return ValueDecoderError{Name: "ByteSliceDecodeValue", Types: []reflect.Type{tByteSlice}, Received: val}
+	}
+
+	elem, err := bsc.decodeType(dc, vr, tByteSlice)
+	if err != nil {
+		return err
+	}
+
+	val.Set(elem)
+	return nil
+}
diff --git a/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/cond_addr_codec.go b/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/cond_addr_codec.go
new file mode 100644
index 000000000..cb8180f25
--- /dev/null
+++ b/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/cond_addr_codec.go
@@ -0,0 +1,63 @@
+// Copyright (C) MongoDB, Inc. 2017-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+
+package bsoncodec
+
+import (
+	"reflect"
+
+	"go.mongodb.org/mongo-driver/bson/bsonrw"
+)
+
+// condAddrEncoder is the encoder used when a pointer to the encoding value has an encoder.
+type condAddrEncoder struct {
+	canAddrEnc ValueEncoder
+	elseEnc    ValueEncoder
+}
+
+var _ ValueEncoder = (*condAddrEncoder)(nil)
+
+// newCondAddrEncoder returns an condAddrEncoder.
+func newCondAddrEncoder(canAddrEnc, elseEnc ValueEncoder) *condAddrEncoder {
+	encoder := condAddrEncoder{canAddrEnc: canAddrEnc, elseEnc: elseEnc}
+	return &encoder
+}
+
+// EncodeValue is the ValueEncoderFunc for a value that may be addressable.
+func (cae *condAddrEncoder) EncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error {
+	if val.CanAddr() {
+		return cae.canAddrEnc.EncodeValue(ec, vw, val)
+	}
+	if cae.elseEnc != nil {
+		return cae.elseEnc.EncodeValue(ec, vw, val)
+	}
+	return ErrNoEncoder{Type: val.Type()}
+}
+
+// condAddrDecoder is the decoder used when a pointer to the value has a decoder.
+type condAddrDecoder struct {
+	canAddrDec ValueDecoder
+	elseDec    ValueDecoder
+}
+
+var _ ValueDecoder = (*condAddrDecoder)(nil)
+
+// newCondAddrDecoder returns an CondAddrDecoder.
+func newCondAddrDecoder(canAddrDec, elseDec ValueDecoder) *condAddrDecoder {
+	decoder := condAddrDecoder{canAddrDec: canAddrDec, elseDec: elseDec}
+	return &decoder
+}
+
+// DecodeValue is the ValueDecoderFunc for a value that may be addressable.
+func (cad *condAddrDecoder) DecodeValue(dc DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error {
+	if val.CanAddr() {
+		return cad.canAddrDec.DecodeValue(dc, vr, val)
+	}
+	if cad.elseDec != nil {
+		return cad.elseDec.DecodeValue(dc, vr, val)
+	}
+	return ErrNoDecoder{Type: val.Type()}
+}
diff --git a/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/default_value_decoders.go b/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/default_value_decoders.go
new file mode 100644
index 000000000..e95cab585
--- /dev/null
+++ b/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/default_value_decoders.go
@@ -0,0 +1,1729 @@
+// Copyright (C) MongoDB, Inc. 2017-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+
+package bsoncodec
+
+import (
+	"encoding/json"
+	"errors"
+	"fmt"
+	"math"
+	"net/url"
+	"reflect"
+	"strconv"
+	"time"
+
+	"go.mongodb.org/mongo-driver/bson/bsonrw"
+	"go.mongodb.org/mongo-driver/bson/bsontype"
+	"go.mongodb.org/mongo-driver/bson/primitive"
+	"go.mongodb.org/mongo-driver/x/bsonx/bsoncore"
+)
+
+var (
+	defaultValueDecoders DefaultValueDecoders
+	errCannotTruncate    = errors.New("float64 can only be truncated to an integer type when truncation is enabled")
+)
+
+type decodeBinaryError struct {
+	subtype  byte
+	typeName string
+}
+
+func (d decodeBinaryError) Error() string {
+	return fmt.Sprintf("only binary values with subtype 0x00 or 0x02 can be decoded into %s, but got subtype %v", d.typeName, d.subtype)
+}
+
+func newDefaultStructCodec() *StructCodec {
+	codec, err := NewStructCodec(DefaultStructTagParser)
+	if err != nil {
+		// This function is called from the codec registration path, so errors can't be propagated. If there's an error
+		// constructing the StructCodec, we panic to avoid losing it.
+		panic(fmt.Errorf("error creating default StructCodec: %v", err))
+	}
+	return codec
+}
+
+// DefaultValueDecoders is a namespace type for the default ValueDecoders used
+// when creating a registry.
+type DefaultValueDecoders struct{}
+
+// RegisterDefaultDecoders will register the decoder methods attached to DefaultValueDecoders with
+// the provided RegistryBuilder.
+//
+// There is no support for decoding map[string]interface{} because there is no decoder for
+// interface{}, so users must either register this decoder themselves or use the
+// EmptyInterfaceDecoder available in the bson package.
+func (dvd DefaultValueDecoders) RegisterDefaultDecoders(rb *RegistryBuilder) {
+	if rb == nil {
+		panic(errors.New("argument to RegisterDefaultDecoders must not be nil"))
+	}
+
+	intDecoder := decodeAdapter{dvd.IntDecodeValue, dvd.intDecodeType}
+	floatDecoder := decodeAdapter{dvd.FloatDecodeValue, dvd.floatDecodeType}
+
+	rb.
+		RegisterTypeDecoder(tD, ValueDecoderFunc(dvd.DDecodeValue)).
+		RegisterTypeDecoder(tBinary, decodeAdapter{dvd.BinaryDecodeValue, dvd.binaryDecodeType}).
+		RegisterTypeDecoder(tUndefined, decodeAdapter{dvd.UndefinedDecodeValue, dvd.undefinedDecodeType}).
+		RegisterTypeDecoder(tDateTime, decodeAdapter{dvd.DateTimeDecodeValue, dvd.dateTimeDecodeType}).
+		RegisterTypeDecoder(tNull, decodeAdapter{dvd.NullDecodeValue, dvd.nullDecodeType}).
+		RegisterTypeDecoder(tRegex, decodeAdapter{dvd.RegexDecodeValue, dvd.regexDecodeType}).
+		RegisterTypeDecoder(tDBPointer, decodeAdapter{dvd.DBPointerDecodeValue, dvd.dBPointerDecodeType}).
+		RegisterTypeDecoder(tTimestamp, decodeAdapter{dvd.TimestampDecodeValue, dvd.timestampDecodeType}).
+		RegisterTypeDecoder(tMinKey, decodeAdapter{dvd.MinKeyDecodeValue, dvd.minKeyDecodeType}).
+		RegisterTypeDecoder(tMaxKey, decodeAdapter{dvd.MaxKeyDecodeValue, dvd.maxKeyDecodeType}).
+		RegisterTypeDecoder(tJavaScript, decodeAdapter{dvd.JavaScriptDecodeValue, dvd.javaScriptDecodeType}).
+		RegisterTypeDecoder(tSymbol, decodeAdapter{dvd.SymbolDecodeValue, dvd.symbolDecodeType}).
+		RegisterTypeDecoder(tByteSlice, defaultByteSliceCodec).
+		RegisterTypeDecoder(tTime, defaultTimeCodec).
+		RegisterTypeDecoder(tEmpty, defaultEmptyInterfaceCodec).
+		RegisterTypeDecoder(tCoreArray, defaultArrayCodec).
+		RegisterTypeDecoder(tOID, decodeAdapter{dvd.ObjectIDDecodeValue, dvd.objectIDDecodeType}).
+		RegisterTypeDecoder(tDecimal, decodeAdapter{dvd.Decimal128DecodeValue, dvd.decimal128DecodeType}).
+		RegisterTypeDecoder(tJSONNumber, decodeAdapter{dvd.JSONNumberDecodeValue, dvd.jsonNumberDecodeType}).
+		RegisterTypeDecoder(tURL, decodeAdapter{dvd.URLDecodeValue, dvd.urlDecodeType}).
+		RegisterTypeDecoder(tCoreDocument, ValueDecoderFunc(dvd.CoreDocumentDecodeValue)).
+		RegisterTypeDecoder(tCodeWithScope, decodeAdapter{dvd.CodeWithScopeDecodeValue, dvd.codeWithScopeDecodeType}).
+		RegisterDefaultDecoder(reflect.Bool, decodeAdapter{dvd.BooleanDecodeValue, dvd.booleanDecodeType}).
+		RegisterDefaultDecoder(reflect.Int, intDecoder).
+		RegisterDefaultDecoder(reflect.Int8, intDecoder).
+		RegisterDefaultDecoder(reflect.Int16, intDecoder).
+		RegisterDefaultDecoder(reflect.Int32, intDecoder).
+		RegisterDefaultDecoder(reflect.Int64, intDecoder).
+		RegisterDefaultDecoder(reflect.Uint, defaultUIntCodec).
+		RegisterDefaultDecoder(reflect.Uint8, defaultUIntCodec).
+		RegisterDefaultDecoder(reflect.Uint16, defaultUIntCodec).
+		RegisterDefaultDecoder(reflect.Uint32, defaultUIntCodec).
+		RegisterDefaultDecoder(reflect.Uint64, defaultUIntCodec).
+		RegisterDefaultDecoder(reflect.Float32, floatDecoder).
+		RegisterDefaultDecoder(reflect.Float64, floatDecoder).
+		RegisterDefaultDecoder(reflect.Array, ValueDecoderFunc(dvd.ArrayDecodeValue)).
+		RegisterDefaultDecoder(reflect.Map, defaultMapCodec).
+		RegisterDefaultDecoder(reflect.Slice, defaultSliceCodec).
+		RegisterDefaultDecoder(reflect.String, defaultStringCodec).
+		RegisterDefaultDecoder(reflect.Struct, newDefaultStructCodec()).
+		RegisterDefaultDecoder(reflect.Ptr, NewPointerCodec()).
+		RegisterTypeMapEntry(bsontype.Double, tFloat64).
+		RegisterTypeMapEntry(bsontype.String, tString).
+		RegisterTypeMapEntry(bsontype.Array, tA).
+		RegisterTypeMapEntry(bsontype.Binary, tBinary).
+		RegisterTypeMapEntry(bsontype.Undefined, tUndefined).
+		RegisterTypeMapEntry(bsontype.ObjectID, tOID).
+		RegisterTypeMapEntry(bsontype.Boolean, tBool).
+		RegisterTypeMapEntry(bsontype.DateTime, tDateTime).
+		RegisterTypeMapEntry(bsontype.Regex, tRegex).
+		RegisterTypeMapEntry(bsontype.DBPointer, tDBPointer).
+		RegisterTypeMapEntry(bsontype.JavaScript, tJavaScript).
+		RegisterTypeMapEntry(bsontype.Symbol, tSymbol).
+		RegisterTypeMapEntry(bsontype.CodeWithScope, tCodeWithScope).
+		RegisterTypeMapEntry(bsontype.Int32, tInt32).
+		RegisterTypeMapEntry(bsontype.Int64, tInt64).
+		RegisterTypeMapEntry(bsontype.Timestamp, tTimestamp).
+		RegisterTypeMapEntry(bsontype.Decimal128, tDecimal).
+		RegisterTypeMapEntry(bsontype.MinKey, tMinKey).
+		RegisterTypeMapEntry(bsontype.MaxKey, tMaxKey).
+		RegisterTypeMapEntry(bsontype.Type(0), tD).
+		RegisterTypeMapEntry(bsontype.EmbeddedDocument, tD).
+		RegisterHookDecoder(tValueUnmarshaler, ValueDecoderFunc(dvd.ValueUnmarshalerDecodeValue)).
+		RegisterHookDecoder(tUnmarshaler, ValueDecoderFunc(dvd.UnmarshalerDecodeValue))
+}
+
+// DDecodeValue is the ValueDecoderFunc for primitive.D instances.
+func (dvd DefaultValueDecoders) DDecodeValue(dc DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error {
+	if !val.IsValid() || !val.CanSet() || val.Type() != tD {
+		return ValueDecoderError{Name: "DDecodeValue", Kinds: []reflect.Kind{reflect.Slice}, Received: val}
+	}
+
+	switch vrType := vr.Type(); vrType {
+	case bsontype.Type(0), bsontype.EmbeddedDocument:
+		dc.Ancestor = tD
+	case bsontype.Null:
+		val.Set(reflect.Zero(val.Type()))
+		return vr.ReadNull()
+	default:
+		return fmt.Errorf("cannot decode %v into a primitive.D", vrType)
+	}
+
+	dr, err := vr.ReadDocument()
+	if err != nil {
+		return err
+	}
+
+	decoder, err := dc.LookupDecoder(tEmpty)
+	if err != nil {
+		return err
+	}
+	tEmptyTypeDecoder, _ := decoder.(typeDecoder)
+
+	// Use the elements in the provided value if it's non nil. Otherwise, allocate a new D instance.
+	var elems primitive.D
+	if !val.IsNil() {
+		val.SetLen(0)
+		elems = val.Interface().(primitive.D)
+	} else {
+		elems = make(primitive.D, 0)
+	}
+
+	for {
+		key, elemVr, err := dr.ReadElement()
+		if err == bsonrw.ErrEOD {
+			break
+		} else if err != nil {
+			return err
+		}
+
+		// Pass false for convert because we don't need to call reflect.Value.Convert for tEmpty.
+		elem, err := decodeTypeOrValueWithInfo(decoder, tEmptyTypeDecoder, dc, elemVr, tEmpty, false)
+		if err != nil {
+			return err
+		}
+
+		elems = append(elems, primitive.E{Key: key, Value: elem.Interface()})
+	}
+
+	val.Set(reflect.ValueOf(elems))
+	return nil
+}
+
+func (dvd DefaultValueDecoders) booleanDecodeType(dctx DecodeContext, vr bsonrw.ValueReader, t reflect.Type) (reflect.Value, error) {
+	if t.Kind() != reflect.Bool {
+		return emptyValue, ValueDecoderError{
+			Name:     "BooleanDecodeValue",
+			Kinds:    []reflect.Kind{reflect.Bool},
+			Received: reflect.Zero(t),
+		}
+	}
+
+	var b bool
+	var err error
+	switch vrType := vr.Type(); vrType {
+	case bsontype.Int32:
+		i32, err := vr.ReadInt32()
+		if err != nil {
+			return emptyValue, err
+		}
+		b = (i32 != 0)
+	case bsontype.Int64:
+		i64, err := vr.ReadInt64()
+		if err != nil {
+			return emptyValue, err
+		}
+		b = (i64 != 0)
+	case bsontype.Double:
+		f64, err := vr.ReadDouble()
+		if err != nil {
+			return emptyValue, err
+		}
+		b = (f64 != 0)
+	case bsontype.Boolean:
+		b, err = vr.ReadBoolean()
+	case bsontype.Null:
+		err = vr.ReadNull()
+	case bsontype.Undefined:
+		err = vr.ReadUndefined()
+	default:
+		return emptyValue, fmt.Errorf("cannot decode %v into a boolean", vrType)
+	}
+	if err != nil {
+		return emptyValue, err
+	}
+
+	return reflect.ValueOf(b), nil
+}
+
+// BooleanDecodeValue is the ValueDecoderFunc for bool types.
+func (dvd DefaultValueDecoders) BooleanDecodeValue(dctx DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error {
+	if !val.IsValid() || !val.CanSet() || val.Kind() != reflect.Bool {
+		return ValueDecoderError{Name: "BooleanDecodeValue", Kinds: []reflect.Kind{reflect.Bool}, Received: val}
+	}
+
+	elem, err := dvd.booleanDecodeType(dctx, vr, val.Type())
+	if err != nil {
+		return err
+	}
+
+	val.SetBool(elem.Bool())
+	return nil
+}
+
+func (DefaultValueDecoders) intDecodeType(dc DecodeContext, vr bsonrw.ValueReader, t reflect.Type) (reflect.Value, error) {
+	var i64 int64
+	var err error
+	switch vrType := vr.Type(); vrType {
+	case bsontype.Int32:
+		i32, err := vr.ReadInt32()
+		if err != nil {
+			return emptyValue, err
+		}
+		i64 = int64(i32)
+	case bsontype.Int64:
+		i64, err = vr.ReadInt64()
+		if err != nil {
+			return emptyValue, err
+		}
+	case bsontype.Double:
+		f64, err := vr.ReadDouble()
+		if err != nil {
+			return emptyValue, err
+		}
+		if !dc.Truncate && math.Floor(f64) != f64 {
+			return emptyValue, errCannotTruncate
+		}
+		if f64 > float64(math.MaxInt64) {
+			return emptyValue, fmt.Errorf("%g overflows int64", f64)
+		}
+		i64 = int64(f64)
+	case bsontype.Boolean:
+		b, err := vr.ReadBoolean()
+		if err != nil {
+			return emptyValue, err
+		}
+		if b {
+			i64 = 1
+		}
+	case bsontype.Null:
+		if err = vr.ReadNull(); err != nil {
+			return emptyValue, err
+		}
+	case bsontype.Undefined:
+		if err = vr.ReadUndefined(); err != nil {
+			return emptyValue, err
+		}
+	default:
+		return emptyValue, fmt.Errorf("cannot decode %v into an integer type", vrType)
+	}
+
+	switch t.Kind() {
+	case reflect.Int8:
+		if i64 < math.MinInt8 || i64 > math.MaxInt8 {
+			return emptyValue, fmt.Errorf("%d overflows int8", i64)
+		}
+
+		return reflect.ValueOf(int8(i64)), nil
+	case reflect.Int16:
+		if i64 < math.MinInt16 || i64 > math.MaxInt16 {
+			return emptyValue, fmt.Errorf("%d overflows int16", i64)
+		}
+
+		return reflect.ValueOf(int16(i64)), nil
+	case reflect.Int32:
+		if i64 < math.MinInt32 || i64 > math.MaxInt32 {
+			return emptyValue, fmt.Errorf("%d overflows int32", i64)
+		}
+
+		return reflect.ValueOf(int32(i64)), nil
+	case reflect.Int64:
+		return reflect.ValueOf(i64), nil
+	case reflect.Int:
+		if int64(int(i64)) != i64 { // Can we fit this inside of an int
+			return emptyValue, fmt.Errorf("%d overflows int", i64)
+		}
+
+		return reflect.ValueOf(int(i64)), nil
+	default:
+		return emptyValue, ValueDecoderError{
+			Name:     "IntDecodeValue",
+			Kinds:    []reflect.Kind{reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64, reflect.Int},
+			Received: reflect.Zero(t),
+		}
+	}
+}
+
+// IntDecodeValue is the ValueDecoderFunc for int types.
+func (dvd DefaultValueDecoders) IntDecodeValue(dc DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error {
+	if !val.CanSet() {
+		return ValueDecoderError{
+			Name:     "IntDecodeValue",
+			Kinds:    []reflect.Kind{reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64, reflect.Int},
+			Received: val,
+		}
+	}
+
+	elem, err := dvd.intDecodeType(dc, vr, val.Type())
+	if err != nil {
+		return err
+	}
+
+	val.SetInt(elem.Int())
+	return nil
+}
+
+// UintDecodeValue is the ValueDecoderFunc for uint types.
+//
+// Deprecated: UintDecodeValue is not registered by default. Use UintCodec.DecodeValue instead.
+func (dvd DefaultValueDecoders) UintDecodeValue(dc DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error {
+	var i64 int64
+	var err error
+	switch vr.Type() {
+	case bsontype.Int32:
+		i32, err := vr.ReadInt32()
+		if err != nil {
+			return err
+		}
+		i64 = int64(i32)
+	case bsontype.Int64:
+		i64, err = vr.ReadInt64()
+		if err != nil {
+			return err
+		}
+	case bsontype.Double:
+		f64, err := vr.ReadDouble()
+		if err != nil {
+			return err
+		}
+		if !dc.Truncate && math.Floor(f64) != f64 {
+			return errors.New("UintDecodeValue can only truncate float64 to an integer type when truncation is enabled")
+		}
+		if f64 > float64(math.MaxInt64) {
+			return fmt.Errorf("%g overflows int64", f64)
+		}
+		i64 = int64(f64)
+	case bsontype.Boolean:
+		b, err := vr.ReadBoolean()
+		if err != nil {
+			return err
+		}
+		if b {
+			i64 = 1
+		}
+	default:
+		return fmt.Errorf("cannot decode %v into an integer type", vr.Type())
+	}
+
+	if !val.CanSet() {
+		return ValueDecoderError{
+			Name:     "UintDecodeValue",
+			Kinds:    []reflect.Kind{reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uint},
+			Received: val,
+		}
+	}
+
+	switch val.Kind() {
+	case reflect.Uint8:
+		if i64 < 0 || i64 > math.MaxUint8 {
+			return fmt.Errorf("%d overflows uint8", i64)
+		}
+	case reflect.Uint16:
+		if i64 < 0 || i64 > math.MaxUint16 {
+			return fmt.Errorf("%d overflows uint16", i64)
+		}
+	case reflect.Uint32:
+		if i64 < 0 || i64 > math.MaxUint32 {
+			return fmt.Errorf("%d overflows uint32", i64)
+		}
+	case reflect.Uint64:
+		if i64 < 0 {
+			return fmt.Errorf("%d overflows uint64", i64)
+		}
+	case reflect.Uint:
+		if i64 < 0 || int64(uint(i64)) != i64 { // Can we fit this inside of an uint
+			return fmt.Errorf("%d overflows uint", i64)
+		}
+	default:
+		return ValueDecoderError{
+			Name:     "UintDecodeValue",
+			Kinds:    []reflect.Kind{reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uint},
+			Received: val,
+		}
+	}
+
+	val.SetUint(uint64(i64))
+	return nil
+}
+
+func (dvd DefaultValueDecoders) floatDecodeType(ec DecodeContext, vr bsonrw.ValueReader, t reflect.Type) (reflect.Value, error) {
+	var f float64
+	var err error
+	switch vrType := vr.Type(); vrType {
+	case bsontype.Int32:
+		i32, err := vr.ReadInt32()
+		if err != nil {
+			return emptyValue, err
+		}
+		f = float64(i32)
+	case bsontype.Int64:
+		i64, err := vr.ReadInt64()
+		if err != nil {
+			return emptyValue, err
+		}
+		f = float64(i64)
+	case bsontype.Double:
+		f, err = vr.ReadDouble()
+		if err != nil {
+			return emptyValue, err
+		}
+	case bsontype.Boolean:
+		b, err := vr.ReadBoolean()
+		if err != nil {
+			return emptyValue, err
+		}
+		if b {
+			f = 1
+		}
+	case bsontype.Null:
+		if err = vr.ReadNull(); err != nil {
+			return emptyValue, err
+		}
+	case bsontype.Undefined:
+		if err = vr.ReadUndefined(); err != nil {
+			return emptyValue, err
+		}
+	default:
+		return emptyValue, fmt.Errorf("cannot decode %v into a float32 or float64 type", vrType)
+	}
+
+	switch t.Kind() {
+	case reflect.Float32:
+		if !ec.Truncate && float64(float32(f)) != f {
+			return emptyValue, errCannotTruncate
+		}
+
+		return reflect.ValueOf(float32(f)), nil
+	case reflect.Float64:
+		return reflect.ValueOf(f), nil
+	default:
+		return emptyValue, ValueDecoderError{
+			Name:     "FloatDecodeValue",
+			Kinds:    []reflect.Kind{reflect.Float32, reflect.Float64},
+			Received: reflect.Zero(t),
+		}
+	}
+}
+
+// FloatDecodeValue is the ValueDecoderFunc for float types.
+func (dvd DefaultValueDecoders) FloatDecodeValue(ec DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error {
+	if !val.CanSet() {
+		return ValueDecoderError{
+			Name:     "FloatDecodeValue",
+			Kinds:    []reflect.Kind{reflect.Float32, reflect.Float64},
+			Received: val,
+		}
+	}
+
+	elem, err := dvd.floatDecodeType(ec, vr, val.Type())
+	if err != nil {
+		return err
+	}
+
+	val.SetFloat(elem.Float())
+	return nil
+}
+
+// StringDecodeValue is the ValueDecoderFunc for string types.
+//
+// Deprecated: StringDecodeValue is not registered by default. Use StringCodec.DecodeValue instead.
+func (dvd DefaultValueDecoders) StringDecodeValue(dctx DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error {
+	var str string
+	var err error
+	switch vr.Type() {
+	// TODO(GODRIVER-577): Handle JavaScript and Symbol BSON types when allowed.
+	case bsontype.String:
+		str, err = vr.ReadString()
+		if err != nil {
+			return err
+		}
+	default:
+		return fmt.Errorf("cannot decode %v into a string type", vr.Type())
+	}
+	if !val.CanSet() || val.Kind() != reflect.String {
+		return ValueDecoderError{Name: "StringDecodeValue", Kinds: []reflect.Kind{reflect.String}, Received: val}
+	}
+
+	val.SetString(str)
+	return nil
+}
+
+func (DefaultValueDecoders) javaScriptDecodeType(dctx DecodeContext, vr bsonrw.ValueReader, t reflect.Type) (reflect.Value, error) {
+	if t != tJavaScript {
+		return emptyValue, ValueDecoderError{
+			Name:     "JavaScriptDecodeValue",
+			Types:    []reflect.Type{tJavaScript},
+			Received: reflect.Zero(t),
+		}
+	}
+
+	var js string
+	var err error
+	switch vrType := vr.Type(); vrType {
+	case bsontype.JavaScript:
+		js, err = vr.ReadJavascript()
+	case bsontype.Null:
+		err = vr.ReadNull()
+	case bsontype.Undefined:
+		err = vr.ReadUndefined()
+	default:
+		return emptyValue, fmt.Errorf("cannot decode %v into a primitive.JavaScript", vrType)
+	}
+	if err != nil {
+		return emptyValue, err
+	}
+
+	return reflect.ValueOf(primitive.JavaScript(js)), nil
+}
+
+// JavaScriptDecodeValue is the ValueDecoderFunc for the primitive.JavaScript type.
+func (dvd DefaultValueDecoders) JavaScriptDecodeValue(dctx DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error {
+	if !val.CanSet() || val.Type() != tJavaScript {
+		return ValueDecoderError{Name: "JavaScriptDecodeValue", Types: []reflect.Type{tJavaScript}, Received: val}
+	}
+
+	elem, err := dvd.javaScriptDecodeType(dctx, vr, tJavaScript)
+	if err != nil {
+		return err
+	}
+
+	val.SetString(elem.String())
+	return nil
+}
+
+func (DefaultValueDecoders) symbolDecodeType(dctx DecodeContext, vr bsonrw.ValueReader, t reflect.Type) (reflect.Value, error) {
+	if t != tSymbol {
+		return emptyValue, ValueDecoderError{
+			Name:     "SymbolDecodeValue",
+			Types:    []reflect.Type{tSymbol},
+			Received: reflect.Zero(t),
+		}
+	}
+
+	var symbol string
+	var err error
+	switch vrType := vr.Type(); vrType {
+	case bsontype.String:
+		symbol, err = vr.ReadString()
+	case bsontype.Symbol:
+		symbol, err = vr.ReadSymbol()
+	case bsontype.Binary:
+		data, subtype, err := vr.ReadBinary()
+		if err != nil {
+			return emptyValue, err
+		}
+
+		if subtype != bsontype.BinaryGeneric && subtype != bsontype.BinaryBinaryOld {
+			return emptyValue, decodeBinaryError{subtype: subtype, typeName: "primitive.Symbol"}
+		}
+		symbol = string(data)
+	case bsontype.Null:
+		err = vr.ReadNull()
+	case bsontype.Undefined:
+		err = vr.ReadUndefined()
+	default:
+		return emptyValue, fmt.Errorf("cannot decode %v into a primitive.Symbol", vrType)
+	}
+	if err != nil {
+		return emptyValue, err
+	}
+
+	return reflect.ValueOf(primitive.Symbol(symbol)), nil
+}
+
+// SymbolDecodeValue is the ValueDecoderFunc for the primitive.Symbol type.
+func (dvd DefaultValueDecoders) SymbolDecodeValue(dctx DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error {
+	if !val.CanSet() || val.Type() != tSymbol {
+		return ValueDecoderError{Name: "SymbolDecodeValue", Types: []reflect.Type{tSymbol}, Received: val}
+	}
+
+	elem, err := dvd.symbolDecodeType(dctx, vr, tSymbol)
+	if err != nil {
+		return err
+	}
+
+	val.SetString(elem.String())
+	return nil
+}
+
+func (DefaultValueDecoders) binaryDecodeType(dc DecodeContext, vr bsonrw.ValueReader, t reflect.Type) (reflect.Value, error) {
+	if t != tBinary {
+		return emptyValue, ValueDecoderError{
+			Name:     "BinaryDecodeValue",
+			Types:    []reflect.Type{tBinary},
+			Received: reflect.Zero(t),
+		}
+	}
+
+	var data []byte
+	var subtype byte
+	var err error
+	switch vrType := vr.Type(); vrType {
+	case bsontype.Binary:
+		data, subtype, err = vr.ReadBinary()
+	case bsontype.Null:
+		err = vr.ReadNull()
+	case bsontype.Undefined:
+		err = vr.ReadUndefined()
+	default:
+		return emptyValue, fmt.Errorf("cannot decode %v into a Binary", vrType)
+	}
+	if err != nil {
+		return emptyValue, err
+	}
+
+	return reflect.ValueOf(primitive.Binary{Subtype: subtype, Data: data}), nil
+}
+
+// BinaryDecodeValue is the ValueDecoderFunc for Binary.
+func (dvd DefaultValueDecoders) BinaryDecodeValue(dc DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error {
+	if !val.CanSet() || val.Type() != tBinary {
+		return ValueDecoderError{Name: "BinaryDecodeValue", Types: []reflect.Type{tBinary}, Received: val}
+	}
+
+	elem, err := dvd.binaryDecodeType(dc, vr, tBinary)
+	if err != nil {
+		return err
+	}
+
+	val.Set(elem)
+	return nil
+}
+
+func (DefaultValueDecoders) undefinedDecodeType(dc DecodeContext, vr bsonrw.ValueReader, t reflect.Type) (reflect.Value, error) {
+	if t != tUndefined {
+		return emptyValue, ValueDecoderError{
+			Name:     "UndefinedDecodeValue",
+			Types:    []reflect.Type{tUndefined},
+			Received: reflect.Zero(t),
+		}
+	}
+
+	var err error
+	switch vrType := vr.Type(); vrType {
+	case bsontype.Undefined:
+		err = vr.ReadUndefined()
+	case bsontype.Null:
+		err = vr.ReadNull()
+	default:
+		return emptyValue, fmt.Errorf("cannot decode %v into an Undefined", vr.Type())
+	}
+	if err != nil {
+		return emptyValue, err
+	}
+
+	return reflect.ValueOf(primitive.Undefined{}), nil
+}
+
+// UndefinedDecodeValue is the ValueDecoderFunc for Undefined.
+func (dvd DefaultValueDecoders) UndefinedDecodeValue(dc DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error {
+	if !val.CanSet() || val.Type() != tUndefined {
+		return ValueDecoderError{Name: "UndefinedDecodeValue", Types: []reflect.Type{tUndefined}, Received: val}
+	}
+
+	elem, err := dvd.undefinedDecodeType(dc, vr, tUndefined)
+	if err != nil {
+		return err
+	}
+
+	val.Set(elem)
+	return nil
+}
+
+// Accept both 12-byte string and pretty-printed 24-byte hex string formats.
+func (dvd DefaultValueDecoders) objectIDDecodeType(dc DecodeContext, vr bsonrw.ValueReader, t reflect.Type) (reflect.Value, error) {
+	if t != tOID {
+		return emptyValue, ValueDecoderError{
+			Name:     "ObjectIDDecodeValue",
+			Types:    []reflect.Type{tOID},
+			Received: reflect.Zero(t),
+		}
+	}
+
+	var oid primitive.ObjectID
+	var err error
+	switch vrType := vr.Type(); vrType {
+	case bsontype.ObjectID:
+		oid, err = vr.ReadObjectID()
+		if err != nil {
+			return emptyValue, err
+		}
+	case bsontype.String:
+		str, err := vr.ReadString()
+		if err != nil {
+			return emptyValue, err
+		}
+		if oid, err = primitive.ObjectIDFromHex(str); err == nil {
+			break
+		}
+		if len(str) != 12 {
+			return emptyValue, fmt.Errorf("an ObjectID string must be exactly 12 bytes long (got %v)", len(str))
+		}
+		byteArr := []byte(str)
+		copy(oid[:], byteArr)
+	case bsontype.Null:
+		if err = vr.ReadNull(); err != nil {
+			return emptyValue, err
+		}
+	case bsontype.Undefined:
+		if err = vr.ReadUndefined(); err != nil {
+			return emptyValue, err
+		}
+	default:
+		return emptyValue, fmt.Errorf("cannot decode %v into an ObjectID", vrType)
+	}
+
+	return reflect.ValueOf(oid), nil
+}
+
+// ObjectIDDecodeValue is the ValueDecoderFunc for primitive.ObjectID.
+func (dvd DefaultValueDecoders) ObjectIDDecodeValue(dc DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error {
+	if !val.CanSet() || val.Type() != tOID {
+		return ValueDecoderError{Name: "ObjectIDDecodeValue", Types: []reflect.Type{tOID}, Received: val}
+	}
+
+	elem, err := dvd.objectIDDecodeType(dc, vr, tOID)
+	if err != nil {
+		return err
+	}
+
+	val.Set(elem)
+	return nil
+}
+
+func (DefaultValueDecoders) dateTimeDecodeType(dc DecodeContext, vr bsonrw.ValueReader, t reflect.Type) (reflect.Value, error) {
+	if t != tDateTime {
+		return emptyValue, ValueDecoderError{
+			Name:     "DateTimeDecodeValue",
+			Types:    []reflect.Type{tDateTime},
+			Received: reflect.Zero(t),
+		}
+	}
+
+	var dt int64
+	var err error
+	switch vrType := vr.Type(); vrType {
+	case bsontype.DateTime:
+		dt, err = vr.ReadDateTime()
+	case bsontype.Null:
+		err = vr.ReadNull()
+	case bsontype.Undefined:
+		err = vr.ReadUndefined()
+	default:
+		return emptyValue, fmt.Errorf("cannot decode %v into a DateTime", vrType)
+	}
+	if err != nil {
+		return emptyValue, err
+	}
+
+	return reflect.ValueOf(primitive.DateTime(dt)), nil
+}
+
+// DateTimeDecodeValue is the ValueDecoderFunc for DateTime.
+func (dvd DefaultValueDecoders) DateTimeDecodeValue(dc DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error {
+	if !val.CanSet() || val.Type() != tDateTime {
+		return ValueDecoderError{Name: "DateTimeDecodeValue", Types: []reflect.Type{tDateTime}, Received: val}
+	}
+
+	elem, err := dvd.dateTimeDecodeType(dc, vr, tDateTime)
+	if err != nil {
+		return err
+	}
+
+	val.Set(elem)
+	return nil
+}
+
+func (DefaultValueDecoders) nullDecodeType(dc DecodeContext, vr bsonrw.ValueReader, t reflect.Type) (reflect.Value, error) {
+	if t != tNull {
+		return emptyValue, ValueDecoderError{
+			Name:     "NullDecodeValue",
+			Types:    []reflect.Type{tNull},
+			Received: reflect.Zero(t),
+		}
+	}
+
+	var err error
+	switch vrType := vr.Type(); vrType {
+	case bsontype.Undefined:
+		err = vr.ReadUndefined()
+	case bsontype.Null:
+		err = vr.ReadNull()
+	default:
+		return emptyValue, fmt.Errorf("cannot decode %v into a Null", vr.Type())
+	}
+	if err != nil {
+		return emptyValue, err
+	}
+
+	return reflect.ValueOf(primitive.Null{}), nil
+}
+
+// NullDecodeValue is the ValueDecoderFunc for Null.
+func (dvd DefaultValueDecoders) NullDecodeValue(dc DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error {
+	if !val.CanSet() || val.Type() != tNull {
+		return ValueDecoderError{Name: "NullDecodeValue", Types: []reflect.Type{tNull}, Received: val}
+	}
+
+	elem, err := dvd.nullDecodeType(dc, vr, tNull)
+	if err != nil {
+		return err
+	}
+
+	val.Set(elem)
+	return nil
+}
+
+func (DefaultValueDecoders) regexDecodeType(dc DecodeContext, vr bsonrw.ValueReader, t reflect.Type) (reflect.Value, error) {
+	if t != tRegex {
+		return emptyValue, ValueDecoderError{
+			Name:     "RegexDecodeValue",
+			Types:    []reflect.Type{tRegex},
+			Received: reflect.Zero(t),
+		}
+	}
+
+	var pattern, options string
+	var err error
+	switch vrType := vr.Type(); vrType {
+	case bsontype.Regex:
+		pattern, options, err = vr.ReadRegex()
+	case bsontype.Null:
+		err = vr.ReadNull()
+	case bsontype.Undefined:
+		err = vr.ReadUndefined()
+	default:
+		return emptyValue, fmt.Errorf("cannot decode %v into a Regex", vrType)
+	}
+	if err != nil {
+		return emptyValue, err
+	}
+
+	return reflect.ValueOf(primitive.Regex{Pattern: pattern, Options: options}), nil
+}
+
+// RegexDecodeValue is the ValueDecoderFunc for Regex.
+func (dvd DefaultValueDecoders) RegexDecodeValue(dc DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error {
+	if !val.CanSet() || val.Type() != tRegex {
+		return ValueDecoderError{Name: "RegexDecodeValue", Types: []reflect.Type{tRegex}, Received: val}
+	}
+
+	elem, err := dvd.regexDecodeType(dc, vr, tRegex)
+	if err != nil {
+		return err
+	}
+
+	val.Set(elem)
+	return nil
+}
+
+func (DefaultValueDecoders) dBPointerDecodeType(dc DecodeContext, vr bsonrw.ValueReader, t reflect.Type) (reflect.Value, error) {
+	if t != tDBPointer {
+		return emptyValue, ValueDecoderError{
+			Name:     "DBPointerDecodeValue",
+			Types:    []reflect.Type{tDBPointer},
+			Received: reflect.Zero(t),
+		}
+	}
+
+	var ns string
+	var pointer primitive.ObjectID
+	var err error
+	switch vrType := vr.Type(); vrType {
+	case bsontype.DBPointer:
+		ns, pointer, err = vr.ReadDBPointer()
+	case bsontype.Null:
+		err = vr.ReadNull()
+	case bsontype.Undefined:
+		err = vr.ReadUndefined()
+	default:
+		return emptyValue, fmt.Errorf("cannot decode %v into a DBPointer", vrType)
+	}
+	if err != nil {
+		return emptyValue, err
+	}
+
+	return reflect.ValueOf(primitive.DBPointer{DB: ns, Pointer: pointer}), nil
+}
+
+// DBPointerDecodeValue is the ValueDecoderFunc for DBPointer.
+func (dvd DefaultValueDecoders) DBPointerDecodeValue(dc DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error {
+	if !val.CanSet() || val.Type() != tDBPointer {
+		return ValueDecoderError{Name: "DBPointerDecodeValue", Types: []reflect.Type{tDBPointer}, Received: val}
+	}
+
+	elem, err := dvd.dBPointerDecodeType(dc, vr, tDBPointer)
+	if err != nil {
+		return err
+	}
+
+	val.Set(elem)
+	return nil
+}
+
+func (DefaultValueDecoders) timestampDecodeType(dc DecodeContext, vr bsonrw.ValueReader, reflectType reflect.Type) (reflect.Value, error) {
+	if reflectType != tTimestamp {
+		return emptyValue, ValueDecoderError{
+			Name:     "TimestampDecodeValue",
+			Types:    []reflect.Type{tTimestamp},
+			Received: reflect.Zero(reflectType),
+		}
+	}
+
+	var t, incr uint32
+	var err error
+	switch vrType := vr.Type(); vrType {
+	case bsontype.Timestamp:
+		t, incr, err = vr.ReadTimestamp()
+	case bsontype.Null:
+		err = vr.ReadNull()
+	case bsontype.Undefined:
+		err = vr.ReadUndefined()
+	default:
+		return emptyValue, fmt.Errorf("cannot decode %v into a Timestamp", vrType)
+	}
+	if err != nil {
+		return emptyValue, err
+	}
+
+	return reflect.ValueOf(primitive.Timestamp{T: t, I: incr}), nil
+}
+
+// TimestampDecodeValue is the ValueDecoderFunc for Timestamp.
+func (dvd DefaultValueDecoders) TimestampDecodeValue(dc DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error {
+	if !val.CanSet() || val.Type() != tTimestamp {
+		return ValueDecoderError{Name: "TimestampDecodeValue", Types: []reflect.Type{tTimestamp}, Received: val}
+	}
+
+	elem, err := dvd.timestampDecodeType(dc, vr, tTimestamp)
+	if err != nil {
+		return err
+	}
+
+	val.Set(elem)
+	return nil
+}
+
+func (DefaultValueDecoders) minKeyDecodeType(dc DecodeContext, vr bsonrw.ValueReader, t reflect.Type) (reflect.Value, error) {
+	if t != tMinKey {
+		return emptyValue, ValueDecoderError{
+			Name:     "MinKeyDecodeValue",
+			Types:    []reflect.Type{tMinKey},
+			Received: reflect.Zero(t),
+		}
+	}
+
+	var err error
+	switch vrType := vr.Type(); vrType {
+	case bsontype.MinKey:
+		err = vr.ReadMinKey()
+	case bsontype.Null:
+		err = vr.ReadNull()
+	case bsontype.Undefined:
+		err = vr.ReadUndefined()
+	default:
+		return emptyValue, fmt.Errorf("cannot decode %v into a MinKey", vr.Type())
+	}
+	if err != nil {
+		return emptyValue, err
+	}
+
+	return reflect.ValueOf(primitive.MinKey{}), nil
+}
+
+// MinKeyDecodeValue is the ValueDecoderFunc for MinKey.
+func (dvd DefaultValueDecoders) MinKeyDecodeValue(dc DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error {
+	if !val.CanSet() || val.Type() != tMinKey {
+		return ValueDecoderError{Name: "MinKeyDecodeValue", Types: []reflect.Type{tMinKey}, Received: val}
+	}
+
+	elem, err := dvd.minKeyDecodeType(dc, vr, tMinKey)
+	if err != nil {
+		return err
+	}
+
+	val.Set(elem)
+	return nil
+}
+
+func (DefaultValueDecoders) maxKeyDecodeType(dc DecodeContext, vr bsonrw.ValueReader, t reflect.Type) (reflect.Value, error) {
+	if t != tMaxKey {
+		return emptyValue, ValueDecoderError{
+			Name:     "MaxKeyDecodeValue",
+			Types:    []reflect.Type{tMaxKey},
+			Received: reflect.Zero(t),
+		}
+	}
+
+	var err error
+	switch vrType := vr.Type(); vrType {
+	case bsontype.MaxKey:
+		err = vr.ReadMaxKey()
+	case bsontype.Null:
+		err = vr.ReadNull()
+	case bsontype.Undefined:
+		err = vr.ReadUndefined()
+	default:
+		return emptyValue, fmt.Errorf("cannot decode %v into a MaxKey", vr.Type())
+	}
+	if err != nil {
+		return emptyValue, err
+	}
+
+	return reflect.ValueOf(primitive.MaxKey{}), nil
+}
+
+// MaxKeyDecodeValue is the ValueDecoderFunc for MaxKey.
+func (dvd DefaultValueDecoders) MaxKeyDecodeValue(dc DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error {
+	if !val.CanSet() || val.Type() != tMaxKey {
+		return ValueDecoderError{Name: "MaxKeyDecodeValue", Types: []reflect.Type{tMaxKey}, Received: val}
+	}
+
+	elem, err := dvd.maxKeyDecodeType(dc, vr, tMaxKey)
+	if err != nil {
+		return err
+	}
+
+	val.Set(elem)
+	return nil
+}
+
+func (dvd DefaultValueDecoders) decimal128DecodeType(dctx DecodeContext, vr bsonrw.ValueReader, t reflect.Type) (reflect.Value, error) {
+	if t != tDecimal {
+		return emptyValue, ValueDecoderError{
+			Name:     "Decimal128DecodeValue",
+			Types:    []reflect.Type{tDecimal},
+			Received: reflect.Zero(t),
+		}
+	}
+
+	var d128 primitive.Decimal128
+	var err error
+	switch vrType := vr.Type(); vrType {
+	case bsontype.Decimal128:
+		d128, err = vr.ReadDecimal128()
+	case bsontype.Null:
+		err = vr.ReadNull()
+	case bsontype.Undefined:
+		err = vr.ReadUndefined()
+	default:
+		return emptyValue, fmt.Errorf("cannot decode %v into a primitive.Decimal128", vr.Type())
+	}
+	if err != nil {
+		return emptyValue, err
+	}
+
+	return reflect.ValueOf(d128), nil
+}
+
+// Decimal128DecodeValue is the ValueDecoderFunc for primitive.Decimal128.
+func (dvd DefaultValueDecoders) Decimal128DecodeValue(dctx DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error {
+	if !val.CanSet() || val.Type() != tDecimal {
+		return ValueDecoderError{Name: "Decimal128DecodeValue", Types: []reflect.Type{tDecimal}, Received: val}
+	}
+
+	elem, err := dvd.decimal128DecodeType(dctx, vr, tDecimal)
+	if err != nil {
+		return err
+	}
+
+	val.Set(elem)
+	return nil
+}
+
+func (dvd DefaultValueDecoders) jsonNumberDecodeType(dc DecodeContext, vr bsonrw.ValueReader, t reflect.Type) (reflect.Value, error) {
+	if t != tJSONNumber {
+		return emptyValue, ValueDecoderError{
+			Name:     "JSONNumberDecodeValue",
+			Types:    []reflect.Type{tJSONNumber},
+			Received: reflect.Zero(t),
+		}
+	}
+
+	var jsonNum json.Number
+	var err error
+	switch vrType := vr.Type(); vrType {
+	case bsontype.Double:
+		f64, err := vr.ReadDouble()
+		if err != nil {
+			return emptyValue, err
+		}
+		jsonNum = json.Number(strconv.FormatFloat(f64, 'f', -1, 64))
+	case bsontype.Int32:
+		i32, err := vr.ReadInt32()
+		if err != nil {
+			return emptyValue, err
+		}
+		jsonNum = json.Number(strconv.FormatInt(int64(i32), 10))
+	case bsontype.Int64:
+		i64, err := vr.ReadInt64()
+		if err != nil {
+			return emptyValue, err
+		}
+		jsonNum = json.Number(strconv.FormatInt(i64, 10))
+	case bsontype.Null:
+		err = vr.ReadNull()
+	case bsontype.Undefined:
+		err = vr.ReadUndefined()
+	default:
+		return emptyValue, fmt.Errorf("cannot decode %v into a json.Number", vrType)
+	}
+	if err != nil {
+		return emptyValue, err
+	}
+
+	return reflect.ValueOf(jsonNum), nil
+}
+
+// JSONNumberDecodeValue is the ValueDecoderFunc for json.Number.
+func (dvd DefaultValueDecoders) JSONNumberDecodeValue(dc DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error {
+	if !val.CanSet() || val.Type() != tJSONNumber {
+		return ValueDecoderError{Name: "JSONNumberDecodeValue", Types: []reflect.Type{tJSONNumber}, Received: val}
+	}
+
+	elem, err := dvd.jsonNumberDecodeType(dc, vr, tJSONNumber)
+	if err != nil {
+		return err
+	}
+
+	val.Set(elem)
+	return nil
+}
+
+func (dvd DefaultValueDecoders) urlDecodeType(dc DecodeContext, vr bsonrw.ValueReader, t reflect.Type) (reflect.Value, error) {
+	if t != tURL {
+		return emptyValue, ValueDecoderError{
+			Name:     "URLDecodeValue",
+			Types:    []reflect.Type{tURL},
+			Received: reflect.Zero(t),
+		}
+	}
+
+	urlPtr := &url.URL{}
+	var err error
+	switch vrType := vr.Type(); vrType {
+	case bsontype.String:
+		var str string // Declare str here to avoid shadowing err during the ReadString call.
+		str, err = vr.ReadString()
+		if err != nil {
+			return emptyValue, err
+		}
+
+		urlPtr, err = url.Parse(str)
+	case bsontype.Null:
+		err = vr.ReadNull()
+	case bsontype.Undefined:
+		err = vr.ReadUndefined()
+	default:
+		return emptyValue, fmt.Errorf("cannot decode %v into a *url.URL", vrType)
+	}
+	if err != nil {
+		return emptyValue, err
+	}
+
+	return reflect.ValueOf(urlPtr).Elem(), nil
+}
+
+// URLDecodeValue is the ValueDecoderFunc for url.URL.
+func (dvd DefaultValueDecoders) URLDecodeValue(dc DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error {
+	if !val.CanSet() || val.Type() != tURL {
+		return ValueDecoderError{Name: "URLDecodeValue", Types: []reflect.Type{tURL}, Received: val}
+	}
+
+	elem, err := dvd.urlDecodeType(dc, vr, tURL)
+	if err != nil {
+		return err
+	}
+
+	val.Set(elem)
+	return nil
+}
+
+// TimeDecodeValue is the ValueDecoderFunc for time.Time.
+//
+// Deprecated: TimeDecodeValue is not registered by default. Use TimeCodec.DecodeValue instead.
+func (dvd DefaultValueDecoders) TimeDecodeValue(dc DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error {
+	if vr.Type() != bsontype.DateTime {
+		return fmt.Errorf("cannot decode %v into a time.Time", vr.Type())
+	}
+
+	dt, err := vr.ReadDateTime()
+	if err != nil {
+		return err
+	}
+
+	if !val.CanSet() || val.Type() != tTime {
+		return ValueDecoderError{Name: "TimeDecodeValue", Types: []reflect.Type{tTime}, Received: val}
+	}
+
+	val.Set(reflect.ValueOf(time.Unix(dt/1000, dt%1000*1000000).UTC()))
+	return nil
+}
+
+// ByteSliceDecodeValue is the ValueDecoderFunc for []byte.
+//
+// Deprecated: ByteSliceDecodeValue is not registered by default. Use ByteSliceCodec.DecodeValue instead.
+func (dvd DefaultValueDecoders) ByteSliceDecodeValue(dc DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error {
+	if vr.Type() != bsontype.Binary && vr.Type() != bsontype.Null {
+		return fmt.Errorf("cannot decode %v into a []byte", vr.Type())
+	}
+
+	if !val.CanSet() || val.Type() != tByteSlice {
+		return ValueDecoderError{Name: "ByteSliceDecodeValue", Types: []reflect.Type{tByteSlice}, Received: val}
+	}
+
+	if vr.Type() == bsontype.Null {
+		val.Set(reflect.Zero(val.Type()))
+		return vr.ReadNull()
+	}
+
+	data, subtype, err := vr.ReadBinary()
+	if err != nil {
+		return err
+	}
+	if subtype != 0x00 {
+		return fmt.Errorf("ByteSliceDecodeValue can only be used to decode subtype 0x00 for %s, got %v", bsontype.Binary, subtype)
+	}
+
+	val.Set(reflect.ValueOf(data))
+	return nil
+}
+
+// MapDecodeValue is the ValueDecoderFunc for map[string]* types.
+//
+// Deprecated: MapDecodeValue is not registered by default. Use MapCodec.DecodeValue instead.
+func (dvd DefaultValueDecoders) MapDecodeValue(dc DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error {
+	if !val.CanSet() || val.Kind() != reflect.Map || val.Type().Key().Kind() != reflect.String {
+		return ValueDecoderError{Name: "MapDecodeValue", Kinds: []reflect.Kind{reflect.Map}, Received: val}
+	}
+
+	switch vr.Type() {
+	case bsontype.Type(0), bsontype.EmbeddedDocument:
+	case bsontype.Null:
+		val.Set(reflect.Zero(val.Type()))
+		return vr.ReadNull()
+	default:
+		return fmt.Errorf("cannot decode %v into a %s", vr.Type(), val.Type())
+	}
+
+	dr, err := vr.ReadDocument()
+	if err != nil {
+		return err
+	}
+
+	if val.IsNil() {
+		val.Set(reflect.MakeMap(val.Type()))
+	}
+
+	eType := val.Type().Elem()
+	decoder, err := dc.LookupDecoder(eType)
+	if err != nil {
+		return err
+	}
+
+	if eType == tEmpty {
+		dc.Ancestor = val.Type()
+	}
+
+	keyType := val.Type().Key()
+	for {
+		key, vr, err := dr.ReadElement()
+		if err == bsonrw.ErrEOD {
+			break
+		}
+		if err != nil {
+			return err
+		}
+
+		elem := reflect.New(eType).Elem()
+
+		err = decoder.DecodeValue(dc, vr, elem)
+		if err != nil {
+			return err
+		}
+
+		val.SetMapIndex(reflect.ValueOf(key).Convert(keyType), elem)
+	}
+	return nil
+}
+
+// ArrayDecodeValue is the ValueDecoderFunc for array types.
+func (dvd DefaultValueDecoders) ArrayDecodeValue(dc DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error {
+	if !val.IsValid() || val.Kind() != reflect.Array {
+		return ValueDecoderError{Name: "ArrayDecodeValue", Kinds: []reflect.Kind{reflect.Array}, Received: val}
+	}
+
+	switch vrType := vr.Type(); vrType {
+	case bsontype.Array:
+	case bsontype.Type(0), bsontype.EmbeddedDocument:
+		if val.Type().Elem() != tE {
+			return fmt.Errorf("cannot decode document into %s", val.Type())
+		}
+	case bsontype.Binary:
+		if val.Type().Elem() != tByte {
+			return fmt.Errorf("ArrayDecodeValue can only be used to decode binary into a byte array, got %v", vrType)
+		}
+		data, subtype, err := vr.ReadBinary()
+		if err != nil {
+			return err
+		}
+		if subtype != bsontype.BinaryGeneric && subtype != bsontype.BinaryBinaryOld {
+			return fmt.Errorf("ArrayDecodeValue can only be used to decode subtype 0x00 or 0x02 for %s, got %v", bsontype.Binary, subtype)
+		}
+
+		if len(data) > val.Len() {
+			return fmt.Errorf("more elements returned in array than can fit inside %s", val.Type())
+		}
+
+		for idx, elem := range data {
+			val.Index(idx).Set(reflect.ValueOf(elem))
+		}
+		return nil
+	case bsontype.Null:
+		val.Set(reflect.Zero(val.Type()))
+		return vr.ReadNull()
+	case bsontype.Undefined:
+		val.Set(reflect.Zero(val.Type()))
+		return vr.ReadUndefined()
+	default:
+		return fmt.Errorf("cannot decode %v into an array", vrType)
+	}
+
+	var elemsFunc func(DecodeContext, bsonrw.ValueReader, reflect.Value) ([]reflect.Value, error)
+	switch val.Type().Elem() {
+	case tE:
+		elemsFunc = dvd.decodeD
+	default:
+		elemsFunc = dvd.decodeDefault
+	}
+
+	elems, err := elemsFunc(dc, vr, val)
+	if err != nil {
+		return err
+	}
+
+	if len(elems) > val.Len() {
+		return fmt.Errorf("more elements returned in array than can fit inside %s, got %v elements", val.Type(), len(elems))
+	}
+
+	for idx, elem := range elems {
+		val.Index(idx).Set(elem)
+	}
+
+	return nil
+}
+
+// SliceDecodeValue is the ValueDecoderFunc for slice types.
+//
+// Deprecated: SliceDecodeValue is not registered by default. Use SliceCodec.DecodeValue instead.
+func (dvd DefaultValueDecoders) SliceDecodeValue(dc DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error {
+	if !val.CanSet() || val.Kind() != reflect.Slice {
+		return ValueDecoderError{Name: "SliceDecodeValue", Kinds: []reflect.Kind{reflect.Slice}, Received: val}
+	}
+
+	switch vr.Type() {
+	case bsontype.Array:
+	case bsontype.Null:
+		val.Set(reflect.Zero(val.Type()))
+		return vr.ReadNull()
+	case bsontype.Type(0), bsontype.EmbeddedDocument:
+		if val.Type().Elem() != tE {
+			return fmt.Errorf("cannot decode document into %s", val.Type())
+		}
+	default:
+		return fmt.Errorf("cannot decode %v into a slice", vr.Type())
+	}
+
+	var elemsFunc func(DecodeContext, bsonrw.ValueReader, reflect.Value) ([]reflect.Value, error)
+	switch val.Type().Elem() {
+	case tE:
+		dc.Ancestor = val.Type()
+		elemsFunc = dvd.decodeD
+	default:
+		elemsFunc = dvd.decodeDefault
+	}
+
+	elems, err := elemsFunc(dc, vr, val)
+	if err != nil {
+		return err
+	}
+
+	if val.IsNil() {
+		val.Set(reflect.MakeSlice(val.Type(), 0, len(elems)))
+	}
+
+	val.SetLen(0)
+	val.Set(reflect.Append(val, elems...))
+
+	return nil
+}
+
+// ValueUnmarshalerDecodeValue is the ValueDecoderFunc for ValueUnmarshaler implementations.
+func (dvd DefaultValueDecoders) ValueUnmarshalerDecodeValue(dc DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error {
+	if !val.IsValid() || (!val.Type().Implements(tValueUnmarshaler) && !reflect.PtrTo(val.Type()).Implements(tValueUnmarshaler)) {
+		return ValueDecoderError{Name: "ValueUnmarshalerDecodeValue", Types: []reflect.Type{tValueUnmarshaler}, Received: val}
+	}
+
+	if val.Kind() == reflect.Ptr && val.IsNil() {
+		if !val.CanSet() {
+			return ValueDecoderError{Name: "ValueUnmarshalerDecodeValue", Types: []reflect.Type{tValueUnmarshaler}, Received: val}
+		}
+		val.Set(reflect.New(val.Type().Elem()))
+	}
+
+	if !val.Type().Implements(tValueUnmarshaler) {
+		if !val.CanAddr() {
+			return ValueDecoderError{Name: "ValueUnmarshalerDecodeValue", Types: []reflect.Type{tValueUnmarshaler}, Received: val}
+		}
+		val = val.Addr() // If the type doesn't implement the interface, a pointer to it must.
+	}
+
+	t, src, err := bsonrw.Copier{}.CopyValueToBytes(vr)
+	if err != nil {
+		return err
+	}
+
+	fn := val.Convert(tValueUnmarshaler).MethodByName("UnmarshalBSONValue")
+	errVal := fn.Call([]reflect.Value{reflect.ValueOf(t), reflect.ValueOf(src)})[0]
+	if !errVal.IsNil() {
+		return errVal.Interface().(error)
+	}
+	return nil
+}
+
+// UnmarshalerDecodeValue is the ValueDecoderFunc for Unmarshaler implementations.
+func (dvd DefaultValueDecoders) UnmarshalerDecodeValue(dc DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error {
+	if !val.IsValid() || (!val.Type().Implements(tUnmarshaler) && !reflect.PtrTo(val.Type()).Implements(tUnmarshaler)) {
+		return ValueDecoderError{Name: "UnmarshalerDecodeValue", Types: []reflect.Type{tUnmarshaler}, Received: val}
+	}
+
+	if val.Kind() == reflect.Ptr && val.IsNil() {
+		if !val.CanSet() {
+			return ValueDecoderError{Name: "UnmarshalerDecodeValue", Types: []reflect.Type{tUnmarshaler}, Received: val}
+		}
+		val.Set(reflect.New(val.Type().Elem()))
+	}
+
+	_, src, err := bsonrw.Copier{}.CopyValueToBytes(vr)
+	if err != nil {
+		return err
+	}
+
+	// If the target Go value is a pointer and the BSON field value is empty, set the value to the
+	// zero value of the pointer (nil) and don't call UnmarshalBSON. UnmarshalBSON has no way to
+	// change the pointer value from within the function (only the value at the pointer address),
+	// so it can't set the pointer to "nil" itself. Since the most common Go value for an empty BSON
+	// field value is "nil", we set "nil" here and don't call UnmarshalBSON. This behavior matches
+	// the behavior of the Go "encoding/json" unmarshaler when the target Go value is a pointer and
+	// the JSON field value is "null".
+	if val.Kind() == reflect.Ptr && len(src) == 0 {
+		val.Set(reflect.Zero(val.Type()))
+		return nil
+	}
+
+	if !val.Type().Implements(tUnmarshaler) {
+		if !val.CanAddr() {
+			return ValueDecoderError{Name: "UnmarshalerDecodeValue", Types: []reflect.Type{tUnmarshaler}, Received: val}
+		}
+		val = val.Addr() // If the type doesn't implement the interface, a pointer to it must.
+	}
+
+	fn := val.Convert(tUnmarshaler).MethodByName("UnmarshalBSON")
+	errVal := fn.Call([]reflect.Value{reflect.ValueOf(src)})[0]
+	if !errVal.IsNil() {
+		return errVal.Interface().(error)
+	}
+	return nil
+}
+
+// EmptyInterfaceDecodeValue is the ValueDecoderFunc for interface{}.
+//
+// Deprecated: EmptyInterfaceDecodeValue is not registered by default. Use EmptyInterfaceCodec.DecodeValue instead.
+func (dvd DefaultValueDecoders) EmptyInterfaceDecodeValue(dc DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error {
+	if !val.CanSet() || val.Type() != tEmpty {
+		return ValueDecoderError{Name: "EmptyInterfaceDecodeValue", Types: []reflect.Type{tEmpty}, Received: val}
+	}
+
+	rtype, err := dc.LookupTypeMapEntry(vr.Type())
+	if err != nil {
+		switch vr.Type() {
+		case bsontype.EmbeddedDocument:
+			if dc.Ancestor != nil {
+				rtype = dc.Ancestor
+				break
+			}
+			rtype = tD
+		case bsontype.Null:
+			val.Set(reflect.Zero(val.Type()))
+			return vr.ReadNull()
+		default:
+			return err
+		}
+	}
+
+	decoder, err := dc.LookupDecoder(rtype)
+	if err != nil {
+		return err
+	}
+
+	elem := reflect.New(rtype).Elem()
+	err = decoder.DecodeValue(dc, vr, elem)
+	if err != nil {
+		return err
+	}
+
+	val.Set(elem)
+	return nil
+}
+
+// CoreDocumentDecodeValue is the ValueDecoderFunc for bsoncore.Document.
+func (DefaultValueDecoders) CoreDocumentDecodeValue(dc DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error {
+	if !val.CanSet() || val.Type() != tCoreDocument {
+		return ValueDecoderError{Name: "CoreDocumentDecodeValue", Types: []reflect.Type{tCoreDocument}, Received: val}
+	}
+
+	if val.IsNil() {
+		val.Set(reflect.MakeSlice(val.Type(), 0, 0))
+	}
+
+	val.SetLen(0)
+
+	cdoc, err := bsonrw.Copier{}.AppendDocumentBytes(val.Interface().(bsoncore.Document), vr)
+	val.Set(reflect.ValueOf(cdoc))
+	return err
+}
+
+func (dvd DefaultValueDecoders) decodeDefault(dc DecodeContext, vr bsonrw.ValueReader, val reflect.Value) ([]reflect.Value, error) {
+	elems := make([]reflect.Value, 0)
+
+	ar, err := vr.ReadArray()
+	if err != nil {
+		return nil, err
+	}
+
+	eType := val.Type().Elem()
+
+	decoder, err := dc.LookupDecoder(eType)
+	if err != nil {
+		return nil, err
+	}
+	eTypeDecoder, _ := decoder.(typeDecoder)
+
+	idx := 0
+	for {
+		vr, err := ar.ReadValue()
+		if err == bsonrw.ErrEOA {
+			break
+		}
+		if err != nil {
+			return nil, err
+		}
+
+		elem, err := decodeTypeOrValueWithInfo(decoder, eTypeDecoder, dc, vr, eType, true)
+		if err != nil {
+			return nil, newDecodeError(strconv.Itoa(idx), err)
+		}
+		elems = append(elems, elem)
+		idx++
+	}
+
+	return elems, nil
+}
+
+func (dvd DefaultValueDecoders) readCodeWithScope(dc DecodeContext, vr bsonrw.ValueReader) (primitive.CodeWithScope, error) {
+	var cws primitive.CodeWithScope
+
+	code, dr, err := vr.ReadCodeWithScope()
+	if err != nil {
+		return cws, err
+	}
+
+	scope := reflect.New(tD).Elem()
+	elems, err := dvd.decodeElemsFromDocumentReader(dc, dr)
+	if err != nil {
+		return cws, err
+	}
+
+	scope.Set(reflect.MakeSlice(tD, 0, len(elems)))
+	scope.Set(reflect.Append(scope, elems...))
+
+	cws = primitive.CodeWithScope{
+		Code:  primitive.JavaScript(code),
+		Scope: scope.Interface().(primitive.D),
+	}
+	return cws, nil
+}
+
+func (dvd DefaultValueDecoders) codeWithScopeDecodeType(dc DecodeContext, vr bsonrw.ValueReader, t reflect.Type) (reflect.Value, error) {
+	if t != tCodeWithScope {
+		return emptyValue, ValueDecoderError{
+			Name:     "CodeWithScopeDecodeValue",
+			Types:    []reflect.Type{tCodeWithScope},
+			Received: reflect.Zero(t),
+		}
+	}
+
+	var cws primitive.CodeWithScope
+	var err error
+	switch vrType := vr.Type(); vrType {
+	case bsontype.CodeWithScope:
+		cws, err = dvd.readCodeWithScope(dc, vr)
+	case bsontype.Null:
+		err = vr.ReadNull()
+	case bsontype.Undefined:
+		err = vr.ReadUndefined()
+	default:
+		return emptyValue, fmt.Errorf("cannot decode %v into a primitive.CodeWithScope", vrType)
+	}
+	if err != nil {
+		return emptyValue, err
+	}
+
+	return reflect.ValueOf(cws), nil
+}
+
+// CodeWithScopeDecodeValue is the ValueDecoderFunc for CodeWithScope.
+func (dvd DefaultValueDecoders) CodeWithScopeDecodeValue(dc DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error {
+	if !val.CanSet() || val.Type() != tCodeWithScope {
+		return ValueDecoderError{Name: "CodeWithScopeDecodeValue", Types: []reflect.Type{tCodeWithScope}, Received: val}
+	}
+
+	elem, err := dvd.codeWithScopeDecodeType(dc, vr, tCodeWithScope)
+	if err != nil {
+		return err
+	}
+
+	val.Set(elem)
+	return nil
+}
+
+func (dvd DefaultValueDecoders) decodeD(dc DecodeContext, vr bsonrw.ValueReader, _ reflect.Value) ([]reflect.Value, error) {
+	switch vr.Type() {
+	case bsontype.Type(0), bsontype.EmbeddedDocument:
+	default:
+		return nil, fmt.Errorf("cannot decode %v into a D", vr.Type())
+	}
+
+	dr, err := vr.ReadDocument()
+	if err != nil {
+		return nil, err
+	}
+
+	return dvd.decodeElemsFromDocumentReader(dc, dr)
+}
+
+func (DefaultValueDecoders) decodeElemsFromDocumentReader(dc DecodeContext, dr bsonrw.DocumentReader) ([]reflect.Value, error) {
+	decoder, err := dc.LookupDecoder(tEmpty)
+	if err != nil {
+		return nil, err
+	}
+
+	elems := make([]reflect.Value, 0)
+	for {
+		key, vr, err := dr.ReadElement()
+		if err == bsonrw.ErrEOD {
+			break
+		}
+		if err != nil {
+			return nil, err
+		}
+
+		val := reflect.New(tEmpty).Elem()
+		err = decoder.DecodeValue(dc, vr, val)
+		if err != nil {
+			return nil, newDecodeError(key, err)
+		}
+
+		elems = append(elems, reflect.ValueOf(primitive.E{Key: key, Value: val.Interface()}))
+	}
+
+	return elems, nil
+}
diff --git a/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/default_value_encoders.go b/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/default_value_encoders.go
new file mode 100644
index 000000000..6bdb43cb4
--- /dev/null
+++ b/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/default_value_encoders.go
@@ -0,0 +1,766 @@
+// Copyright (C) MongoDB, Inc. 2017-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+
+package bsoncodec
+
+import (
+	"encoding/json"
+	"errors"
+	"fmt"
+	"math"
+	"net/url"
+	"reflect"
+	"sync"
+	"time"
+
+	"go.mongodb.org/mongo-driver/bson/bsonrw"
+	"go.mongodb.org/mongo-driver/bson/bsontype"
+	"go.mongodb.org/mongo-driver/bson/primitive"
+	"go.mongodb.org/mongo-driver/x/bsonx/bsoncore"
+)
+
+var defaultValueEncoders DefaultValueEncoders
+
+var bvwPool = bsonrw.NewBSONValueWriterPool()
+
+var errInvalidValue = errors.New("cannot encode invalid element")
+
+var sliceWriterPool = sync.Pool{
+	New: func() interface{} {
+		sw := make(bsonrw.SliceWriter, 0)
+		return &sw
+	},
+}
+
+func encodeElement(ec EncodeContext, dw bsonrw.DocumentWriter, e primitive.E) error {
+	vw, err := dw.WriteDocumentElement(e.Key)
+	if err != nil {
+		return err
+	}
+
+	if e.Value == nil {
+		return vw.WriteNull()
+	}
+	encoder, err := ec.LookupEncoder(reflect.TypeOf(e.Value))
+	if err != nil {
+		return err
+	}
+
+	err = encoder.EncodeValue(ec, vw, reflect.ValueOf(e.Value))
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+// DefaultValueEncoders is a namespace type for the default ValueEncoders used
+// when creating a registry.
+type DefaultValueEncoders struct{}
+
+// RegisterDefaultEncoders will register the encoder methods attached to DefaultValueEncoders with
+// the provided RegistryBuilder.
+func (dve DefaultValueEncoders) RegisterDefaultEncoders(rb *RegistryBuilder) {
+	if rb == nil {
+		panic(errors.New("argument to RegisterDefaultEncoders must not be nil"))
+	}
+	rb.
+		RegisterTypeEncoder(tByteSlice, defaultByteSliceCodec).
+		RegisterTypeEncoder(tTime, defaultTimeCodec).
+		RegisterTypeEncoder(tEmpty, defaultEmptyInterfaceCodec).
+		RegisterTypeEncoder(tCoreArray, defaultArrayCodec).
+		RegisterTypeEncoder(tOID, ValueEncoderFunc(dve.ObjectIDEncodeValue)).
+		RegisterTypeEncoder(tDecimal, ValueEncoderFunc(dve.Decimal128EncodeValue)).
+		RegisterTypeEncoder(tJSONNumber, ValueEncoderFunc(dve.JSONNumberEncodeValue)).
+		RegisterTypeEncoder(tURL, ValueEncoderFunc(dve.URLEncodeValue)).
+		RegisterTypeEncoder(tJavaScript, ValueEncoderFunc(dve.JavaScriptEncodeValue)).
+		RegisterTypeEncoder(tSymbol, ValueEncoderFunc(dve.SymbolEncodeValue)).
+		RegisterTypeEncoder(tBinary, ValueEncoderFunc(dve.BinaryEncodeValue)).
+		RegisterTypeEncoder(tUndefined, ValueEncoderFunc(dve.UndefinedEncodeValue)).
+		RegisterTypeEncoder(tDateTime, ValueEncoderFunc(dve.DateTimeEncodeValue)).
+		RegisterTypeEncoder(tNull, ValueEncoderFunc(dve.NullEncodeValue)).
+		RegisterTypeEncoder(tRegex, ValueEncoderFunc(dve.RegexEncodeValue)).
+		RegisterTypeEncoder(tDBPointer, ValueEncoderFunc(dve.DBPointerEncodeValue)).
+		RegisterTypeEncoder(tTimestamp, ValueEncoderFunc(dve.TimestampEncodeValue)).
+		RegisterTypeEncoder(tMinKey, ValueEncoderFunc(dve.MinKeyEncodeValue)).
+		RegisterTypeEncoder(tMaxKey, ValueEncoderFunc(dve.MaxKeyEncodeValue)).
+		RegisterTypeEncoder(tCoreDocument, ValueEncoderFunc(dve.CoreDocumentEncodeValue)).
+		RegisterTypeEncoder(tCodeWithScope, ValueEncoderFunc(dve.CodeWithScopeEncodeValue)).
+		RegisterDefaultEncoder(reflect.Bool, ValueEncoderFunc(dve.BooleanEncodeValue)).
+		RegisterDefaultEncoder(reflect.Int, ValueEncoderFunc(dve.IntEncodeValue)).
+		RegisterDefaultEncoder(reflect.Int8, ValueEncoderFunc(dve.IntEncodeValue)).
+		RegisterDefaultEncoder(reflect.Int16, ValueEncoderFunc(dve.IntEncodeValue)).
+		RegisterDefaultEncoder(reflect.Int32, ValueEncoderFunc(dve.IntEncodeValue)).
+		RegisterDefaultEncoder(reflect.Int64, ValueEncoderFunc(dve.IntEncodeValue)).
+		RegisterDefaultEncoder(reflect.Uint, defaultUIntCodec).
+		RegisterDefaultEncoder(reflect.Uint8, defaultUIntCodec).
+		RegisterDefaultEncoder(reflect.Uint16, defaultUIntCodec).
+		RegisterDefaultEncoder(reflect.Uint32, defaultUIntCodec).
+		RegisterDefaultEncoder(reflect.Uint64, defaultUIntCodec).
+		RegisterDefaultEncoder(reflect.Float32, ValueEncoderFunc(dve.FloatEncodeValue)).
+		RegisterDefaultEncoder(reflect.Float64, ValueEncoderFunc(dve.FloatEncodeValue)).
+		RegisterDefaultEncoder(reflect.Array, ValueEncoderFunc(dve.ArrayEncodeValue)).
+		RegisterDefaultEncoder(reflect.Map, defaultMapCodec).
+		RegisterDefaultEncoder(reflect.Slice, defaultSliceCodec).
+		RegisterDefaultEncoder(reflect.String, defaultStringCodec).
+		RegisterDefaultEncoder(reflect.Struct, newDefaultStructCodec()).
+		RegisterDefaultEncoder(reflect.Ptr, NewPointerCodec()).
+		RegisterHookEncoder(tValueMarshaler, ValueEncoderFunc(dve.ValueMarshalerEncodeValue)).
+		RegisterHookEncoder(tMarshaler, ValueEncoderFunc(dve.MarshalerEncodeValue)).
+		RegisterHookEncoder(tProxy, ValueEncoderFunc(dve.ProxyEncodeValue))
+}
+
+// BooleanEncodeValue is the ValueEncoderFunc for bool types.
+func (dve DefaultValueEncoders) BooleanEncodeValue(ectx EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error {
+	if !val.IsValid() || val.Kind() != reflect.Bool {
+		return ValueEncoderError{Name: "BooleanEncodeValue", Kinds: []reflect.Kind{reflect.Bool}, Received: val}
+	}
+	return vw.WriteBoolean(val.Bool())
+}
+
+func fitsIn32Bits(i int64) bool {
+	return math.MinInt32 <= i && i <= math.MaxInt32
+}
+
+// IntEncodeValue is the ValueEncoderFunc for int types.
+func (dve DefaultValueEncoders) IntEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error {
+	switch val.Kind() {
+	case reflect.Int8, reflect.Int16, reflect.Int32:
+		return vw.WriteInt32(int32(val.Int()))
+	case reflect.Int:
+		i64 := val.Int()
+		if fitsIn32Bits(i64) {
+			return vw.WriteInt32(int32(i64))
+		}
+		return vw.WriteInt64(i64)
+	case reflect.Int64:
+		i64 := val.Int()
+		if ec.MinSize && fitsIn32Bits(i64) {
+			return vw.WriteInt32(int32(i64))
+		}
+		return vw.WriteInt64(i64)
+	}
+
+	return ValueEncoderError{
+		Name:     "IntEncodeValue",
+		Kinds:    []reflect.Kind{reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64, reflect.Int},
+		Received: val,
+	}
+}
+
+// UintEncodeValue is the ValueEncoderFunc for uint types.
+//
+// Deprecated: UintEncodeValue is not registered by default. Use UintCodec.EncodeValue instead.
+func (dve DefaultValueEncoders) UintEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error {
+	switch val.Kind() {
+	case reflect.Uint8, reflect.Uint16:
+		return vw.WriteInt32(int32(val.Uint()))
+	case reflect.Uint, reflect.Uint32, reflect.Uint64:
+		u64 := val.Uint()
+		if ec.MinSize && u64 <= math.MaxInt32 {
+			return vw.WriteInt32(int32(u64))
+		}
+		if u64 > math.MaxInt64 {
+			return fmt.Errorf("%d overflows int64", u64)
+		}
+		return vw.WriteInt64(int64(u64))
+	}
+
+	return ValueEncoderError{
+		Name:     "UintEncodeValue",
+		Kinds:    []reflect.Kind{reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uint},
+		Received: val,
+	}
+}
+
+// FloatEncodeValue is the ValueEncoderFunc for float types.
+func (dve DefaultValueEncoders) FloatEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error {
+	switch val.Kind() {
+	case reflect.Float32, reflect.Float64:
+		return vw.WriteDouble(val.Float())
+	}
+
+	return ValueEncoderError{Name: "FloatEncodeValue", Kinds: []reflect.Kind{reflect.Float32, reflect.Float64}, Received: val}
+}
+
+// StringEncodeValue is the ValueEncoderFunc for string types.
+//
+// Deprecated: StringEncodeValue is not registered by default. Use StringCodec.EncodeValue instead.
+func (dve DefaultValueEncoders) StringEncodeValue(ectx EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error {
+	if val.Kind() != reflect.String {
+		return ValueEncoderError{
+			Name:     "StringEncodeValue",
+			Kinds:    []reflect.Kind{reflect.String},
+			Received: val,
+		}
+	}
+
+	return vw.WriteString(val.String())
+}
+
+// ObjectIDEncodeValue is the ValueEncoderFunc for primitive.ObjectID.
+func (dve DefaultValueEncoders) ObjectIDEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error {
+	if !val.IsValid() || val.Type() != tOID {
+		return ValueEncoderError{Name: "ObjectIDEncodeValue", Types: []reflect.Type{tOID}, Received: val}
+	}
+	return vw.WriteObjectID(val.Interface().(primitive.ObjectID))
+}
+
+// Decimal128EncodeValue is the ValueEncoderFunc for primitive.Decimal128.
+func (dve DefaultValueEncoders) Decimal128EncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error {
+	if !val.IsValid() || val.Type() != tDecimal {
+		return ValueEncoderError{Name: "Decimal128EncodeValue", Types: []reflect.Type{tDecimal}, Received: val}
+	}
+	return vw.WriteDecimal128(val.Interface().(primitive.Decimal128))
+}
+
+// JSONNumberEncodeValue is the ValueEncoderFunc for json.Number.
+func (dve DefaultValueEncoders) JSONNumberEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error {
+	if !val.IsValid() || val.Type() != tJSONNumber {
+		return ValueEncoderError{Name: "JSONNumberEncodeValue", Types: []reflect.Type{tJSONNumber}, Received: val}
+	}
+	jsnum := val.Interface().(json.Number)
+
+	// Attempt int first, then float64
+	if i64, err := jsnum.Int64(); err == nil {
+		return dve.IntEncodeValue(ec, vw, reflect.ValueOf(i64))
+	}
+
+	f64, err := jsnum.Float64()
+	if err != nil {
+		return err
+	}
+
+	return dve.FloatEncodeValue(ec, vw, reflect.ValueOf(f64))
+}
+
+// URLEncodeValue is the ValueEncoderFunc for url.URL.
+func (dve DefaultValueEncoders) URLEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error {
+	if !val.IsValid() || val.Type() != tURL {
+		return ValueEncoderError{Name: "URLEncodeValue", Types: []reflect.Type{tURL}, Received: val}
+	}
+	u := val.Interface().(url.URL)
+	return vw.WriteString(u.String())
+}
+
+// TimeEncodeValue is the ValueEncoderFunc for time.TIme.
+//
+// Deprecated: TimeEncodeValue is not registered by default. Use TimeCodec.EncodeValue instead.
+func (dve DefaultValueEncoders) TimeEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error {
+	if !val.IsValid() || val.Type() != tTime {
+		return ValueEncoderError{Name: "TimeEncodeValue", Types: []reflect.Type{tTime}, Received: val}
+	}
+	tt := val.Interface().(time.Time)
+	dt := primitive.NewDateTimeFromTime(tt)
+	return vw.WriteDateTime(int64(dt))
+}
+
+// ByteSliceEncodeValue is the ValueEncoderFunc for []byte.
+//
+// Deprecated: ByteSliceEncodeValue is not registered by default. Use ByteSliceCodec.EncodeValue instead.
+func (dve DefaultValueEncoders) ByteSliceEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error {
+	if !val.IsValid() || val.Type() != tByteSlice {
+		return ValueEncoderError{Name: "ByteSliceEncodeValue", Types: []reflect.Type{tByteSlice}, Received: val}
+	}
+	if val.IsNil() {
+		return vw.WriteNull()
+	}
+	return vw.WriteBinary(val.Interface().([]byte))
+}
+
+// MapEncodeValue is the ValueEncoderFunc for map[string]* types.
+//
+// Deprecated: MapEncodeValue is not registered by default. Use MapCodec.EncodeValue instead.
+func (dve DefaultValueEncoders) MapEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error {
+	if !val.IsValid() || val.Kind() != reflect.Map || val.Type().Key().Kind() != reflect.String {
+		return ValueEncoderError{Name: "MapEncodeValue", Kinds: []reflect.Kind{reflect.Map}, Received: val}
+	}
+
+	if val.IsNil() {
+		// If we have a nill map but we can't WriteNull, that means we're probably trying to encode
+		// to a TopLevel document. We can't currently tell if this is what actually happened, but if
+		// there's a deeper underlying problem, the error will also be returned from WriteDocument,
+		// so just continue. The operations on a map reflection value are valid, so we can call
+		// MapKeys within mapEncodeValue without a problem.
+		err := vw.WriteNull()
+		if err == nil {
+			return nil
+		}
+	}
+
+	dw, err := vw.WriteDocument()
+	if err != nil {
+		return err
+	}
+
+	return dve.mapEncodeValue(ec, dw, val, nil)
+}
+
+// mapEncodeValue handles encoding of the values of a map. The collisionFn returns
+// true if the provided key exists, this is mainly used for inline maps in the
+// struct codec.
+func (dve DefaultValueEncoders) mapEncodeValue(ec EncodeContext, dw bsonrw.DocumentWriter, val reflect.Value, collisionFn func(string) bool) error {
+
+	elemType := val.Type().Elem()
+	encoder, err := ec.LookupEncoder(elemType)
+	if err != nil && elemType.Kind() != reflect.Interface {
+		return err
+	}
+
+	keys := val.MapKeys()
+	for _, key := range keys {
+		if collisionFn != nil && collisionFn(key.String()) {
+			return fmt.Errorf("Key %s of inlined map conflicts with a struct field name", key)
+		}
+
+		currEncoder, currVal, lookupErr := dve.lookupElementEncoder(ec, encoder, val.MapIndex(key))
+		if lookupErr != nil && lookupErr != errInvalidValue {
+			return lookupErr
+		}
+
+		vw, err := dw.WriteDocumentElement(key.String())
+		if err != nil {
+			return err
+		}
+
+		if lookupErr == errInvalidValue {
+			err = vw.WriteNull()
+			if err != nil {
+				return err
+			}
+			continue
+		}
+
+		err = currEncoder.EncodeValue(ec, vw, currVal)
+		if err != nil {
+			return err
+		}
+	}
+
+	return dw.WriteDocumentEnd()
+}
+
+// ArrayEncodeValue is the ValueEncoderFunc for array types.
+func (dve DefaultValueEncoders) ArrayEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error {
+	if !val.IsValid() || val.Kind() != reflect.Array {
+		return ValueEncoderError{Name: "ArrayEncodeValue", Kinds: []reflect.Kind{reflect.Array}, Received: val}
+	}
+
+	// If we have a []primitive.E we want to treat it as a document instead of as an array.
+	if val.Type().Elem() == tE {
+		dw, err := vw.WriteDocument()
+		if err != nil {
+			return err
+		}
+
+		for idx := 0; idx < val.Len(); idx++ {
+			e := val.Index(idx).Interface().(primitive.E)
+			err = encodeElement(ec, dw, e)
+			if err != nil {
+				return err
+			}
+		}
+
+		return dw.WriteDocumentEnd()
+	}
+
+	// If we have a []byte we want to treat it as a binary instead of as an array.
+	if val.Type().Elem() == tByte {
+		var byteSlice []byte
+		for idx := 0; idx < val.Len(); idx++ {
+			byteSlice = append(byteSlice, val.Index(idx).Interface().(byte))
+		}
+		return vw.WriteBinary(byteSlice)
+	}
+
+	aw, err := vw.WriteArray()
+	if err != nil {
+		return err
+	}
+
+	elemType := val.Type().Elem()
+	encoder, err := ec.LookupEncoder(elemType)
+	if err != nil && elemType.Kind() != reflect.Interface {
+		return err
+	}
+
+	for idx := 0; idx < val.Len(); idx++ {
+		currEncoder, currVal, lookupErr := dve.lookupElementEncoder(ec, encoder, val.Index(idx))
+		if lookupErr != nil && lookupErr != errInvalidValue {
+			return lookupErr
+		}
+
+		vw, err := aw.WriteArrayElement()
+		if err != nil {
+			return err
+		}
+
+		if lookupErr == errInvalidValue {
+			err = vw.WriteNull()
+			if err != nil {
+				return err
+			}
+			continue
+		}
+
+		err = currEncoder.EncodeValue(ec, vw, currVal)
+		if err != nil {
+			return err
+		}
+	}
+	return aw.WriteArrayEnd()
+}
+
+// SliceEncodeValue is the ValueEncoderFunc for slice types.
+//
+// Deprecated: SliceEncodeValue is not registered by default. Use SliceCodec.EncodeValue instead.
+func (dve DefaultValueEncoders) SliceEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error {
+	if !val.IsValid() || val.Kind() != reflect.Slice {
+		return ValueEncoderError{Name: "SliceEncodeValue", Kinds: []reflect.Kind{reflect.Slice}, Received: val}
+	}
+
+	if val.IsNil() {
+		return vw.WriteNull()
+	}
+
+	// If we have a []primitive.E we want to treat it as a document instead of as an array.
+	if val.Type().ConvertibleTo(tD) {
+		d := val.Convert(tD).Interface().(primitive.D)
+
+		dw, err := vw.WriteDocument()
+		if err != nil {
+			return err
+		}
+
+		for _, e := range d {
+			err = encodeElement(ec, dw, e)
+			if err != nil {
+				return err
+			}
+		}
+
+		return dw.WriteDocumentEnd()
+	}
+
+	aw, err := vw.WriteArray()
+	if err != nil {
+		return err
+	}
+
+	elemType := val.Type().Elem()
+	encoder, err := ec.LookupEncoder(elemType)
+	if err != nil && elemType.Kind() != reflect.Interface {
+		return err
+	}
+
+	for idx := 0; idx < val.Len(); idx++ {
+		currEncoder, currVal, lookupErr := dve.lookupElementEncoder(ec, encoder, val.Index(idx))
+		if lookupErr != nil && lookupErr != errInvalidValue {
+			return lookupErr
+		}
+
+		vw, err := aw.WriteArrayElement()
+		if err != nil {
+			return err
+		}
+
+		if lookupErr == errInvalidValue {
+			err = vw.WriteNull()
+			if err != nil {
+				return err
+			}
+			continue
+		}
+
+		err = currEncoder.EncodeValue(ec, vw, currVal)
+		if err != nil {
+			return err
+		}
+	}
+	return aw.WriteArrayEnd()
+}
+
+func (dve DefaultValueEncoders) lookupElementEncoder(ec EncodeContext, origEncoder ValueEncoder, currVal reflect.Value) (ValueEncoder, reflect.Value, error) {
+	if origEncoder != nil || (currVal.Kind() != reflect.Interface) {
+		return origEncoder, currVal, nil
+	}
+	currVal = currVal.Elem()
+	if !currVal.IsValid() {
+		return nil, currVal, errInvalidValue
+	}
+	currEncoder, err := ec.LookupEncoder(currVal.Type())
+
+	return currEncoder, currVal, err
+}
+
+// EmptyInterfaceEncodeValue is the ValueEncoderFunc for interface{}.
+//
+// Deprecated: EmptyInterfaceEncodeValue is not registered by default. Use EmptyInterfaceCodec.EncodeValue instead.
+func (dve DefaultValueEncoders) EmptyInterfaceEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error {
+	if !val.IsValid() || val.Type() != tEmpty {
+		return ValueEncoderError{Name: "EmptyInterfaceEncodeValue", Types: []reflect.Type{tEmpty}, Received: val}
+	}
+
+	if val.IsNil() {
+		return vw.WriteNull()
+	}
+	encoder, err := ec.LookupEncoder(val.Elem().Type())
+	if err != nil {
+		return err
+	}
+
+	return encoder.EncodeValue(ec, vw, val.Elem())
+}
+
+// ValueMarshalerEncodeValue is the ValueEncoderFunc for ValueMarshaler implementations.
+func (dve DefaultValueEncoders) ValueMarshalerEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error {
+	// Either val or a pointer to val must implement ValueMarshaler
+	switch {
+	case !val.IsValid():
+		return ValueEncoderError{Name: "ValueMarshalerEncodeValue", Types: []reflect.Type{tValueMarshaler}, Received: val}
+	case val.Type().Implements(tValueMarshaler):
+		// If ValueMarshaler is implemented on a concrete type, make sure that val isn't a nil pointer
+		if isImplementationNil(val, tValueMarshaler) {
+			return vw.WriteNull()
+		}
+	case reflect.PtrTo(val.Type()).Implements(tValueMarshaler) && val.CanAddr():
+		val = val.Addr()
+	default:
+		return ValueEncoderError{Name: "ValueMarshalerEncodeValue", Types: []reflect.Type{tValueMarshaler}, Received: val}
+	}
+
+	fn := val.Convert(tValueMarshaler).MethodByName("MarshalBSONValue")
+	returns := fn.Call(nil)
+	if !returns[2].IsNil() {
+		return returns[2].Interface().(error)
+	}
+	t, data := returns[0].Interface().(bsontype.Type), returns[1].Interface().([]byte)
+	return bsonrw.Copier{}.CopyValueFromBytes(vw, t, data)
+}
+
+// MarshalerEncodeValue is the ValueEncoderFunc for Marshaler implementations.
+func (dve DefaultValueEncoders) MarshalerEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error {
+	// Either val or a pointer to val must implement Marshaler
+	switch {
+	case !val.IsValid():
+		return ValueEncoderError{Name: "MarshalerEncodeValue", Types: []reflect.Type{tMarshaler}, Received: val}
+	case val.Type().Implements(tMarshaler):
+		// If Marshaler is implemented on a concrete type, make sure that val isn't a nil pointer
+		if isImplementationNil(val, tMarshaler) {
+			return vw.WriteNull()
+		}
+	case reflect.PtrTo(val.Type()).Implements(tMarshaler) && val.CanAddr():
+		val = val.Addr()
+	default:
+		return ValueEncoderError{Name: "MarshalerEncodeValue", Types: []reflect.Type{tMarshaler}, Received: val}
+	}
+
+	fn := val.Convert(tMarshaler).MethodByName("MarshalBSON")
+	returns := fn.Call(nil)
+	if !returns[1].IsNil() {
+		return returns[1].Interface().(error)
+	}
+	data := returns[0].Interface().([]byte)
+	return bsonrw.Copier{}.CopyValueFromBytes(vw, bsontype.EmbeddedDocument, data)
+}
+
+// ProxyEncodeValue is the ValueEncoderFunc for Proxy implementations.
+func (dve DefaultValueEncoders) ProxyEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error {
+	// Either val or a pointer to val must implement Proxy
+	switch {
+	case !val.IsValid():
+		return ValueEncoderError{Name: "ProxyEncodeValue", Types: []reflect.Type{tProxy}, Received: val}
+	case val.Type().Implements(tProxy):
+		// If Proxy is implemented on a concrete type, make sure that val isn't a nil pointer
+		if isImplementationNil(val, tProxy) {
+			return vw.WriteNull()
+		}
+	case reflect.PtrTo(val.Type()).Implements(tProxy) && val.CanAddr():
+		val = val.Addr()
+	default:
+		return ValueEncoderError{Name: "ProxyEncodeValue", Types: []reflect.Type{tProxy}, Received: val}
+	}
+
+	fn := val.Convert(tProxy).MethodByName("ProxyBSON")
+	returns := fn.Call(nil)
+	if !returns[1].IsNil() {
+		return returns[1].Interface().(error)
+	}
+	data := returns[0]
+	var encoder ValueEncoder
+	var err error
+	if data.Elem().IsValid() {
+		encoder, err = ec.LookupEncoder(data.Elem().Type())
+	} else {
+		encoder, err = ec.LookupEncoder(nil)
+	}
+	if err != nil {
+		return err
+	}
+	return encoder.EncodeValue(ec, vw, data.Elem())
+}
+
+// JavaScriptEncodeValue is the ValueEncoderFunc for the primitive.JavaScript type.
+func (DefaultValueEncoders) JavaScriptEncodeValue(ectx EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error {
+	if !val.IsValid() || val.Type() != tJavaScript {
+		return ValueEncoderError{Name: "JavaScriptEncodeValue", Types: []reflect.Type{tJavaScript}, Received: val}
+	}
+
+	return vw.WriteJavascript(val.String())
+}
+
+// SymbolEncodeValue is the ValueEncoderFunc for the primitive.Symbol type.
+func (DefaultValueEncoders) SymbolEncodeValue(ectx EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error {
+	if !val.IsValid() || val.Type() != tSymbol {
+		return ValueEncoderError{Name: "SymbolEncodeValue", Types: []reflect.Type{tSymbol}, Received: val}
+	}
+
+	return vw.WriteSymbol(val.String())
+}
+
+// BinaryEncodeValue is the ValueEncoderFunc for Binary.
+func (DefaultValueEncoders) BinaryEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error {
+	if !val.IsValid() || val.Type() != tBinary {
+		return ValueEncoderError{Name: "BinaryEncodeValue", Types: []reflect.Type{tBinary}, Received: val}
+	}
+	b := val.Interface().(primitive.Binary)
+
+	return vw.WriteBinaryWithSubtype(b.Data, b.Subtype)
+}
+
+// UndefinedEncodeValue is the ValueEncoderFunc for Undefined.
+func (DefaultValueEncoders) UndefinedEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error {
+	if !val.IsValid() || val.Type() != tUndefined {
+		return ValueEncoderError{Name: "UndefinedEncodeValue", Types: []reflect.Type{tUndefined}, Received: val}
+	}
+
+	return vw.WriteUndefined()
+}
+
+// DateTimeEncodeValue is the ValueEncoderFunc for DateTime.
+func (DefaultValueEncoders) DateTimeEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error {
+	if !val.IsValid() || val.Type() != tDateTime {
+		return ValueEncoderError{Name: "DateTimeEncodeValue", Types: []reflect.Type{tDateTime}, Received: val}
+	}
+
+	return vw.WriteDateTime(val.Int())
+}
+
+// NullEncodeValue is the ValueEncoderFunc for Null.
+func (DefaultValueEncoders) NullEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error {
+	if !val.IsValid() || val.Type() != tNull {
+		return ValueEncoderError{Name: "NullEncodeValue", Types: []reflect.Type{tNull}, Received: val}
+	}
+
+	return vw.WriteNull()
+}
+
+// RegexEncodeValue is the ValueEncoderFunc for Regex.
+func (DefaultValueEncoders) RegexEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error {
+	if !val.IsValid() || val.Type() != tRegex {
+		return ValueEncoderError{Name: "RegexEncodeValue", Types: []reflect.Type{tRegex}, Received: val}
+	}
+
+	regex := val.Interface().(primitive.Regex)
+
+	return vw.WriteRegex(regex.Pattern, regex.Options)
+}
+
+// DBPointerEncodeValue is the ValueEncoderFunc for DBPointer.
+func (DefaultValueEncoders) DBPointerEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error {
+	if !val.IsValid() || val.Type() != tDBPointer {
+		return ValueEncoderError{Name: "DBPointerEncodeValue", Types: []reflect.Type{tDBPointer}, Received: val}
+	}
+
+	dbp := val.Interface().(primitive.DBPointer)
+
+	return vw.WriteDBPointer(dbp.DB, dbp.Pointer)
+}
+
+// TimestampEncodeValue is the ValueEncoderFunc for Timestamp.
+func (DefaultValueEncoders) TimestampEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error {
+	if !val.IsValid() || val.Type() != tTimestamp {
+		return ValueEncoderError{Name: "TimestampEncodeValue", Types: []reflect.Type{tTimestamp}, Received: val}
+	}
+
+	ts := val.Interface().(primitive.Timestamp)
+
+	return vw.WriteTimestamp(ts.T, ts.I)
+}
+
+// MinKeyEncodeValue is the ValueEncoderFunc for MinKey.
+func (DefaultValueEncoders) MinKeyEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error {
+	if !val.IsValid() || val.Type() != tMinKey {
+		return ValueEncoderError{Name: "MinKeyEncodeValue", Types: []reflect.Type{tMinKey}, Received: val}
+	}
+
+	return vw.WriteMinKey()
+}
+
+// MaxKeyEncodeValue is the ValueEncoderFunc for MaxKey.
+func (DefaultValueEncoders) MaxKeyEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error {
+	if !val.IsValid() || val.Type() != tMaxKey {
+		return ValueEncoderError{Name: "MaxKeyEncodeValue", Types: []reflect.Type{tMaxKey}, Received: val}
+	}
+
+	return vw.WriteMaxKey()
+}
+
+// CoreDocumentEncodeValue is the ValueEncoderFunc for bsoncore.Document.
+func (DefaultValueEncoders) CoreDocumentEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error {
+	if !val.IsValid() || val.Type() != tCoreDocument {
+		return ValueEncoderError{Name: "CoreDocumentEncodeValue", Types: []reflect.Type{tCoreDocument}, Received: val}
+	}
+
+	cdoc := val.Interface().(bsoncore.Document)
+
+	return bsonrw.Copier{}.CopyDocumentFromBytes(vw, cdoc)
+}
+
+// CodeWithScopeEncodeValue is the ValueEncoderFunc for CodeWithScope.
+func (dve DefaultValueEncoders) CodeWithScopeEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error {
+	if !val.IsValid() || val.Type() != tCodeWithScope {
+		return ValueEncoderError{Name: "CodeWithScopeEncodeValue", Types: []reflect.Type{tCodeWithScope}, Received: val}
+	}
+
+	cws := val.Interface().(primitive.CodeWithScope)
+
+	dw, err := vw.WriteCodeWithScope(string(cws.Code))
+	if err != nil {
+		return err
+	}
+
+	sw := sliceWriterPool.Get().(*bsonrw.SliceWriter)
+	defer sliceWriterPool.Put(sw)
+	*sw = (*sw)[:0]
+
+	scopeVW := bvwPool.Get(sw)
+	defer bvwPool.Put(scopeVW)
+
+	encoder, err := ec.LookupEncoder(reflect.TypeOf(cws.Scope))
+	if err != nil {
+		return err
+	}
+
+	err = encoder.EncodeValue(ec, scopeVW, reflect.ValueOf(cws.Scope))
+	if err != nil {
+		return err
+	}
+
+	err = bsonrw.Copier{}.CopyBytesToDocumentWriter(dw, *sw)
+	if err != nil {
+		return err
+	}
+	return dw.WriteDocumentEnd()
+}
+
+// isImplementationNil returns if val is a nil pointer and inter is implemented on a concrete type
+func isImplementationNil(val reflect.Value, inter reflect.Type) bool {
+	vt := val.Type()
+	for vt.Kind() == reflect.Ptr {
+		vt = vt.Elem()
+	}
+	return vt.Implements(inter) && val.Kind() == reflect.Ptr && val.IsNil()
+}
diff --git a/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/doc.go b/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/doc.go
new file mode 100644
index 000000000..5f903ebea
--- /dev/null
+++ b/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/doc.go
@@ -0,0 +1,90 @@
+// Copyright (C) MongoDB, Inc. 2022-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+
+// Package bsoncodec provides a system for encoding values to BSON representations and decoding
+// values from BSON representations. This package considers both binary BSON and ExtendedJSON as
+// BSON representations. The types in this package enable a flexible system for handling this
+// encoding and decoding.
+//
+// The codec system is composed of two parts:
+//
+// 1) ValueEncoders and ValueDecoders that handle encoding and decoding Go values to and from BSON
+// representations.
+//
+// 2) A Registry that holds these ValueEncoders and ValueDecoders and provides methods for
+// retrieving them.
+//
+// # ValueEncoders and ValueDecoders
+//
+// The ValueEncoder interface is implemented by types that can encode a provided Go type to BSON.
+// The value to encode is provided as a reflect.Value and a bsonrw.ValueWriter is used within the
+// EncodeValue method to actually create the BSON representation. For convenience, ValueEncoderFunc
+// is provided to allow use of a function with the correct signature as a ValueEncoder. An
+// EncodeContext instance is provided to allow implementations to lookup further ValueEncoders and
+// to provide configuration information.
+//
+// The ValueDecoder interface is the inverse of the ValueEncoder. Implementations should ensure that
+// the value they receive is settable. Similar to ValueEncoderFunc, ValueDecoderFunc is provided to
+// allow the use of a function with the correct signature as a ValueDecoder. A DecodeContext
+// instance is provided and serves similar functionality to the EncodeContext.
+//
+// # Registry and RegistryBuilder
+//
+// A Registry is an immutable store for ValueEncoders, ValueDecoders, and a type map. See the Registry type
+// documentation for examples of registering various custom encoders and decoders. A Registry can be constructed using a
+// RegistryBuilder, which handles three main types of codecs:
+//
+// 1. Type encoders/decoders - These can be registered using the RegisterTypeEncoder and RegisterTypeDecoder methods.
+// The registered codec will be invoked when encoding/decoding a value whose type matches the registered type exactly.
+// If the registered type is an interface, the codec will be invoked when encoding or decoding values whose type is the
+// interface, but not for values with concrete types that implement the interface.
+//
+// 2. Hook encoders/decoders - These can be registered using the RegisterHookEncoder and RegisterHookDecoder methods.
+// These methods only accept interface types and the registered codecs will be invoked when encoding or decoding values
+// whose types implement the interface. An example of a hook defined by the driver is bson.Marshaler. The driver will
+// call the MarshalBSON method for any value whose type implements bson.Marshaler, regardless of the value's concrete
+// type.
+//
+// 3. Type map entries - This can be used to associate a BSON type with a Go type. These type associations are used when
+// decoding into a bson.D/bson.M or a struct field of type interface{}. For example, by default, BSON int32 and int64
+// values decode as Go int32 and int64 instances, respectively, when decoding into a bson.D. The following code would
+// change the behavior so these values decode as Go int instances instead:
+//
+//	intType := reflect.TypeOf(int(0))
+//	registryBuilder.RegisterTypeMapEntry(bsontype.Int32, intType).RegisterTypeMapEntry(bsontype.Int64, intType)
+//
+// 4. Kind encoder/decoders - These can be registered using the RegisterDefaultEncoder and RegisterDefaultDecoder
+// methods. The registered codec will be invoked when encoding or decoding values whose reflect.Kind matches the
+// registered reflect.Kind as long as the value's type doesn't match a registered type or hook encoder/decoder first.
+// These methods should be used to change the behavior for all values for a specific kind.
+//
+// # Registry Lookup Procedure
+//
+// When looking up an encoder in a Registry, the precedence rules are as follows:
+//
+// 1. A type encoder registered for the exact type of the value.
+//
+// 2. A hook encoder registered for an interface that is implemented by the value or by a pointer to the value. If the
+// value matches multiple hooks (e.g. the type implements bsoncodec.Marshaler and bsoncodec.ValueMarshaler), the first
+// one registered will be selected. Note that registries constructed using bson.NewRegistryBuilder have driver-defined
+// hooks registered for the bsoncodec.Marshaler, bsoncodec.ValueMarshaler, and bsoncodec.Proxy interfaces, so those
+// will take precedence over any new hooks.
+//
+// 3. A kind encoder registered for the value's kind.
+//
+// If all of these lookups fail to find an encoder, an error of type ErrNoEncoder is returned. The same precedence
+// rules apply for decoders, with the exception that an error of type ErrNoDecoder will be returned if no decoder is
+// found.
+//
+// # DefaultValueEncoders and DefaultValueDecoders
+//
+// The DefaultValueEncoders and DefaultValueDecoders types provide a full set of ValueEncoders and
+// ValueDecoders for handling a wide range of Go types, including all of the types within the
+// primitive package. To make registering these codecs easier, a helper method on each type is
+// provided. For the DefaultValueEncoders type the method is called RegisterDefaultEncoders and for
+// the DefaultValueDecoders type the method is called RegisterDefaultDecoders, this method also
+// handles registering type map entries for each BSON type.
+package bsoncodec
diff --git a/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/empty_interface_codec.go b/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/empty_interface_codec.go
new file mode 100644
index 000000000..eda417cff
--- /dev/null
+++ b/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/empty_interface_codec.go
@@ -0,0 +1,147 @@
+// Copyright (C) MongoDB, Inc. 2017-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+
+package bsoncodec
+
+import (
+	"reflect"
+
+	"go.mongodb.org/mongo-driver/bson/bsonoptions"
+	"go.mongodb.org/mongo-driver/bson/bsonrw"
+	"go.mongodb.org/mongo-driver/bson/bsontype"
+	"go.mongodb.org/mongo-driver/bson/primitive"
+)
+
+// EmptyInterfaceCodec is the Codec used for interface{} values.
+type EmptyInterfaceCodec struct {
+	DecodeBinaryAsSlice bool
+}
+
+var (
+	defaultEmptyInterfaceCodec = NewEmptyInterfaceCodec()
+
+	_ ValueCodec  = defaultEmptyInterfaceCodec
+	_ typeDecoder = defaultEmptyInterfaceCodec
+)
+
+// NewEmptyInterfaceCodec returns a EmptyInterfaceCodec with options opts.
+func NewEmptyInterfaceCodec(opts ...*bsonoptions.EmptyInterfaceCodecOptions) *EmptyInterfaceCodec {
+	interfaceOpt := bsonoptions.MergeEmptyInterfaceCodecOptions(opts...)
+
+	codec := EmptyInterfaceCodec{}
+	if interfaceOpt.DecodeBinaryAsSlice != nil {
+		codec.DecodeBinaryAsSlice = *interfaceOpt.DecodeBinaryAsSlice
+	}
+	return &codec
+}
+
+// EncodeValue is the ValueEncoderFunc for interface{}.
+func (eic EmptyInterfaceCodec) EncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error {
+	if !val.IsValid() || val.Type() != tEmpty {
+		return ValueEncoderError{Name: "EmptyInterfaceEncodeValue", Types: []reflect.Type{tEmpty}, Received: val}
+	}
+
+	if val.IsNil() {
+		return vw.WriteNull()
+	}
+	encoder, err := ec.LookupEncoder(val.Elem().Type())
+	if err != nil {
+		return err
+	}
+
+	return encoder.EncodeValue(ec, vw, val.Elem())
+}
+
+func (eic EmptyInterfaceCodec) getEmptyInterfaceDecodeType(dc DecodeContext, valueType bsontype.Type) (reflect.Type, error) {
+	isDocument := valueType == bsontype.Type(0) || valueType == bsontype.EmbeddedDocument
+	if isDocument {
+		if dc.defaultDocumentType != nil {
+			// If the bsontype is an embedded document and the DocumentType is set on the DecodeContext, then return
+			// that type.
+			return dc.defaultDocumentType, nil
+		}
+		if dc.Ancestor != nil {
+			// Using ancestor information rather than looking up the type map entry forces consistent decoding.
+			// If we're decoding into a bson.D, subdocuments should also be decoded as bson.D, even if a type map entry
+			// has been registered.
+			return dc.Ancestor, nil
+		}
+	}
+
+	rtype, err := dc.LookupTypeMapEntry(valueType)
+	if err == nil {
+		return rtype, nil
+	}
+
+	if isDocument {
+		// For documents, fallback to looking up a type map entry for bsontype.Type(0) or bsontype.EmbeddedDocument,
+		// depending on the original valueType.
+		var lookupType bsontype.Type
+		switch valueType {
+		case bsontype.Type(0):
+			lookupType = bsontype.EmbeddedDocument
+		case bsontype.EmbeddedDocument:
+			lookupType = bsontype.Type(0)
+		}
+
+		rtype, err = dc.LookupTypeMapEntry(lookupType)
+		if err == nil {
+			return rtype, nil
+		}
+	}
+
+	return nil, err
+}
+
+func (eic EmptyInterfaceCodec) decodeType(dc DecodeContext, vr bsonrw.ValueReader, t reflect.Type) (reflect.Value, error) {
+	if t != tEmpty {
+		return emptyValue, ValueDecoderError{Name: "EmptyInterfaceDecodeValue", Types: []reflect.Type{tEmpty}, Received: reflect.Zero(t)}
+	}
+
+	rtype, err := eic.getEmptyInterfaceDecodeType(dc, vr.Type())
+	if err != nil {
+		switch vr.Type() {
+		case bsontype.Null:
+			return reflect.Zero(t), vr.ReadNull()
+		default:
+			return emptyValue, err
+		}
+	}
+
+	decoder, err := dc.LookupDecoder(rtype)
+	if err != nil {
+		return emptyValue, err
+	}
+
+	elem, err := decodeTypeOrValue(decoder, dc, vr, rtype)
+	if err != nil {
+		return emptyValue, err
+	}
+
+	if eic.DecodeBinaryAsSlice && rtype == tBinary {
+		binElem := elem.Interface().(primitive.Binary)
+		if binElem.Subtype == bsontype.BinaryGeneric || binElem.Subtype == bsontype.BinaryBinaryOld {
+			elem = reflect.ValueOf(binElem.Data)
+		}
+	}
+
+	return elem, nil
+}
+
+// DecodeValue is the ValueDecoderFunc for interface{}.
+func (eic EmptyInterfaceCodec) DecodeValue(dc DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error {
+	if !val.CanSet() || val.Type() != tEmpty {
+		return ValueDecoderError{Name: "EmptyInterfaceDecodeValue", Types: []reflect.Type{tEmpty}, Received: val}
+	}
+
+	elem, err := eic.decodeType(dc, vr, val.Type())
+	if err != nil {
+		return err
+	}
+
+	val.Set(elem)
+	return nil
+}
diff --git a/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/map_codec.go b/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/map_codec.go
new file mode 100644
index 000000000..e1fbef9c6
--- /dev/null
+++ b/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/map_codec.go
@@ -0,0 +1,309 @@
+// Copyright (C) MongoDB, Inc. 2017-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+
+package bsoncodec
+
+import (
+	"encoding"
+	"fmt"
+	"reflect"
+	"strconv"
+
+	"go.mongodb.org/mongo-driver/bson/bsonoptions"
+	"go.mongodb.org/mongo-driver/bson/bsonrw"
+	"go.mongodb.org/mongo-driver/bson/bsontype"
+)
+
+var defaultMapCodec = NewMapCodec()
+
+// MapCodec is the Codec used for map values.
+type MapCodec struct {
+	DecodeZerosMap         bool
+	EncodeNilAsEmpty       bool
+	EncodeKeysWithStringer bool
+}
+
+var _ ValueCodec = &MapCodec{}
+
+// KeyMarshaler is the interface implemented by an object that can marshal itself into a string key.
+// This applies to types used as map keys and is similar to encoding.TextMarshaler.
+type KeyMarshaler interface {
+	MarshalKey() (key string, err error)
+}
+
+// KeyUnmarshaler is the interface implemented by an object that can unmarshal a string representation
+// of itself. This applies to types used as map keys and is similar to encoding.TextUnmarshaler.
+//
+// UnmarshalKey must be able to decode the form generated by MarshalKey.
+// UnmarshalKey must copy the text if it wishes to retain the text
+// after returning.
+type KeyUnmarshaler interface {
+	UnmarshalKey(key string) error
+}
+
+// NewMapCodec returns a MapCodec with options opts.
+func NewMapCodec(opts ...*bsonoptions.MapCodecOptions) *MapCodec {
+	mapOpt := bsonoptions.MergeMapCodecOptions(opts...)
+
+	codec := MapCodec{}
+	if mapOpt.DecodeZerosMap != nil {
+		codec.DecodeZerosMap = *mapOpt.DecodeZerosMap
+	}
+	if mapOpt.EncodeNilAsEmpty != nil {
+		codec.EncodeNilAsEmpty = *mapOpt.EncodeNilAsEmpty
+	}
+	if mapOpt.EncodeKeysWithStringer != nil {
+		codec.EncodeKeysWithStringer = *mapOpt.EncodeKeysWithStringer
+	}
+	return &codec
+}
+
+// EncodeValue is the ValueEncoder for map[*]* types.
+func (mc *MapCodec) EncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error {
+	if !val.IsValid() || val.Kind() != reflect.Map {
+		return ValueEncoderError{Name: "MapEncodeValue", Kinds: []reflect.Kind{reflect.Map}, Received: val}
+	}
+
+	if val.IsNil() && !mc.EncodeNilAsEmpty {
+		// If we have a nil map but we can't WriteNull, that means we're probably trying to encode
+		// to a TopLevel document. We can't currently tell if this is what actually happened, but if
+		// there's a deeper underlying problem, the error will also be returned from WriteDocument,
+		// so just continue. The operations on a map reflection value are valid, so we can call
+		// MapKeys within mapEncodeValue without a problem.
+		err := vw.WriteNull()
+		if err == nil {
+			return nil
+		}
+	}
+
+	dw, err := vw.WriteDocument()
+	if err != nil {
+		return err
+	}
+
+	return mc.mapEncodeValue(ec, dw, val, nil)
+}
+
+// mapEncodeValue handles encoding of the values of a map. The collisionFn returns
+// true if the provided key exists, this is mainly used for inline maps in the
+// struct codec.
+func (mc *MapCodec) mapEncodeValue(ec EncodeContext, dw bsonrw.DocumentWriter, val reflect.Value, collisionFn func(string) bool) error {
+
+	elemType := val.Type().Elem()
+	encoder, err := ec.LookupEncoder(elemType)
+	if err != nil && elemType.Kind() != reflect.Interface {
+		return err
+	}
+
+	keys := val.MapKeys()
+	for _, key := range keys {
+		keyStr, err := mc.encodeKey(key)
+		if err != nil {
+			return err
+		}
+
+		if collisionFn != nil && collisionFn(keyStr) {
+			return fmt.Errorf("Key %s of inlined map conflicts with a struct field name", key)
+		}
+
+		currEncoder, currVal, lookupErr := defaultValueEncoders.lookupElementEncoder(ec, encoder, val.MapIndex(key))
+		if lookupErr != nil && lookupErr != errInvalidValue {
+			return lookupErr
+		}
+
+		vw, err := dw.WriteDocumentElement(keyStr)
+		if err != nil {
+			return err
+		}
+
+		if lookupErr == errInvalidValue {
+			err = vw.WriteNull()
+			if err != nil {
+				return err
+			}
+			continue
+		}
+
+		err = currEncoder.EncodeValue(ec, vw, currVal)
+		if err != nil {
+			return err
+		}
+	}
+
+	return dw.WriteDocumentEnd()
+}
+
+// DecodeValue is the ValueDecoder for map[string/decimal]* types.
+func (mc *MapCodec) DecodeValue(dc DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error {
+	if val.Kind() != reflect.Map || (!val.CanSet() && val.IsNil()) {
+		return ValueDecoderError{Name: "MapDecodeValue", Kinds: []reflect.Kind{reflect.Map}, Received: val}
+	}
+
+	switch vrType := vr.Type(); vrType {
+	case bsontype.Type(0), bsontype.EmbeddedDocument:
+	case bsontype.Null:
+		val.Set(reflect.Zero(val.Type()))
+		return vr.ReadNull()
+	case bsontype.Undefined:
+		val.Set(reflect.Zero(val.Type()))
+		return vr.ReadUndefined()
+	default:
+		return fmt.Errorf("cannot decode %v into a %s", vrType, val.Type())
+	}
+
+	dr, err := vr.ReadDocument()
+	if err != nil {
+		return err
+	}
+
+	if val.IsNil() {
+		val.Set(reflect.MakeMap(val.Type()))
+	}
+
+	if val.Len() > 0 && mc.DecodeZerosMap {
+		clearMap(val)
+	}
+
+	eType := val.Type().Elem()
+	decoder, err := dc.LookupDecoder(eType)
+	if err != nil {
+		return err
+	}
+	eTypeDecoder, _ := decoder.(typeDecoder)
+
+	if eType == tEmpty {
+		dc.Ancestor = val.Type()
+	}
+
+	keyType := val.Type().Key()
+
+	for {
+		key, vr, err := dr.ReadElement()
+		if err == bsonrw.ErrEOD {
+			break
+		}
+		if err != nil {
+			return err
+		}
+
+		k, err := mc.decodeKey(key, keyType)
+		if err != nil {
+			return err
+		}
+
+		elem, err := decodeTypeOrValueWithInfo(decoder, eTypeDecoder, dc, vr, eType, true)
+		if err != nil {
+			return newDecodeError(key, err)
+		}
+
+		val.SetMapIndex(k, elem)
+	}
+	return nil
+}
+
+func clearMap(m reflect.Value) {
+	var none reflect.Value
+	for _, k := range m.MapKeys() {
+		m.SetMapIndex(k, none)
+	}
+}
+
+func (mc *MapCodec) encodeKey(val reflect.Value) (string, error) {
+	if mc.EncodeKeysWithStringer {
+		return fmt.Sprint(val), nil
+	}
+
+	// keys of any string type are used directly
+	if val.Kind() == reflect.String {
+		return val.String(), nil
+	}
+	// KeyMarshalers are marshaled
+	if km, ok := val.Interface().(KeyMarshaler); ok {
+		if val.Kind() == reflect.Ptr && val.IsNil() {
+			return "", nil
+		}
+		buf, err := km.MarshalKey()
+		if err == nil {
+			return buf, nil
+		}
+		return "", err
+	}
+	// keys implement encoding.TextMarshaler are marshaled.
+	if km, ok := val.Interface().(encoding.TextMarshaler); ok {
+		if val.Kind() == reflect.Ptr && val.IsNil() {
+			return "", nil
+		}
+
+		buf, err := km.MarshalText()
+		if err != nil {
+			return "", err
+		}
+
+		return string(buf), nil
+	}
+
+	switch val.Kind() {
+	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
+		return strconv.FormatInt(val.Int(), 10), nil
+	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
+		return strconv.FormatUint(val.Uint(), 10), nil
+	}
+	return "", fmt.Errorf("unsupported key type: %v", val.Type())
+}
+
+var keyUnmarshalerType = reflect.TypeOf((*KeyUnmarshaler)(nil)).Elem()
+var textUnmarshalerType = reflect.TypeOf((*encoding.TextUnmarshaler)(nil)).Elem()
+
+func (mc *MapCodec) decodeKey(key string, keyType reflect.Type) (reflect.Value, error) {
+	keyVal := reflect.ValueOf(key)
+	var err error
+	switch {
+	// First, if EncodeKeysWithStringer is not enabled, try to decode withKeyUnmarshaler
+	case !mc.EncodeKeysWithStringer && reflect.PtrTo(keyType).Implements(keyUnmarshalerType):
+		keyVal = reflect.New(keyType)
+		v := keyVal.Interface().(KeyUnmarshaler)
+		err = v.UnmarshalKey(key)
+		keyVal = keyVal.Elem()
+	// Try to decode encoding.TextUnmarshalers.
+	case reflect.PtrTo(keyType).Implements(textUnmarshalerType):
+		keyVal = reflect.New(keyType)
+		v := keyVal.Interface().(encoding.TextUnmarshaler)
+		err = v.UnmarshalText([]byte(key))
+		keyVal = keyVal.Elem()
+	// Otherwise, go to type specific behavior
+	default:
+		switch keyType.Kind() {
+		case reflect.String:
+			keyVal = reflect.ValueOf(key).Convert(keyType)
+		case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
+			n, parseErr := strconv.ParseInt(key, 10, 64)
+			if parseErr != nil || reflect.Zero(keyType).OverflowInt(n) {
+				err = fmt.Errorf("failed to unmarshal number key %v", key)
+			}
+			keyVal = reflect.ValueOf(n).Convert(keyType)
+		case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
+			n, parseErr := strconv.ParseUint(key, 10, 64)
+			if parseErr != nil || reflect.Zero(keyType).OverflowUint(n) {
+				err = fmt.Errorf("failed to unmarshal number key %v", key)
+				break
+			}
+			keyVal = reflect.ValueOf(n).Convert(keyType)
+		case reflect.Float32, reflect.Float64:
+			if mc.EncodeKeysWithStringer {
+				parsed, err := strconv.ParseFloat(key, 64)
+				if err != nil {
+					return keyVal, fmt.Errorf("Map key is defined to be a decimal type (%v) but got error %v", keyType.Kind(), err)
+				}
+				keyVal = reflect.ValueOf(parsed)
+				break
+			}
+			fallthrough
+		default:
+			return keyVal, fmt.Errorf("unsupported key type: %v", keyType)
+		}
+	}
+	return keyVal, err
+}
diff --git a/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/mode.go b/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/mode.go
new file mode 100644
index 000000000..fbd9f0a9e
--- /dev/null
+++ b/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/mode.go
@@ -0,0 +1,65 @@
+// Copyright (C) MongoDB, Inc. 2017-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+
+package bsoncodec
+
+import "fmt"
+
+type mode int
+
+const (
+	_ mode = iota
+	mTopLevel
+	mDocument
+	mArray
+	mValue
+	mElement
+	mCodeWithScope
+	mSpacer
+)
+
+func (m mode) String() string {
+	var str string
+
+	switch m {
+	case mTopLevel:
+		str = "TopLevel"
+	case mDocument:
+		str = "DocumentMode"
+	case mArray:
+		str = "ArrayMode"
+	case mValue:
+		str = "ValueMode"
+	case mElement:
+		str = "ElementMode"
+	case mCodeWithScope:
+		str = "CodeWithScopeMode"
+	case mSpacer:
+		str = "CodeWithScopeSpacerFrame"
+	default:
+		str = "UnknownMode"
+	}
+
+	return str
+}
+
+// TransitionError is an error returned when an invalid progressing a
+// ValueReader or ValueWriter state machine occurs.
+type TransitionError struct {
+	parent      mode
+	current     mode
+	destination mode
+}
+
+func (te TransitionError) Error() string {
+	if te.destination == mode(0) {
+		return fmt.Sprintf("invalid state transition: cannot read/write value while in %s", te.current)
+	}
+	if te.parent == mode(0) {
+		return fmt.Sprintf("invalid state transition: %s -> %s", te.current, te.destination)
+	}
+	return fmt.Sprintf("invalid state transition: %s -> %s; parent %s", te.current, te.destination, te.parent)
+}
diff --git a/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/pointer_codec.go b/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/pointer_codec.go
new file mode 100644
index 000000000..616a3e701
--- /dev/null
+++ b/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/pointer_codec.go
@@ -0,0 +1,109 @@
+// Copyright (C) MongoDB, Inc. 2017-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+
+package bsoncodec
+
+import (
+	"reflect"
+	"sync"
+
+	"go.mongodb.org/mongo-driver/bson/bsonrw"
+	"go.mongodb.org/mongo-driver/bson/bsontype"
+)
+
+var _ ValueEncoder = &PointerCodec{}
+var _ ValueDecoder = &PointerCodec{}
+
+// PointerCodec is the Codec used for pointers.
+type PointerCodec struct {
+	ecache map[reflect.Type]ValueEncoder
+	dcache map[reflect.Type]ValueDecoder
+	l      sync.RWMutex
+}
+
+// NewPointerCodec returns a PointerCodec that has been initialized.
+func NewPointerCodec() *PointerCodec {
+	return &PointerCodec{
+		ecache: make(map[reflect.Type]ValueEncoder),
+		dcache: make(map[reflect.Type]ValueDecoder),
+	}
+}
+
+// EncodeValue handles encoding a pointer by either encoding it to BSON Null if the pointer is nil
+// or looking up an encoder for the type of value the pointer points to.
+func (pc *PointerCodec) EncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error {
+	if val.Kind() != reflect.Ptr {
+		if !val.IsValid() {
+			return vw.WriteNull()
+		}
+		return ValueEncoderError{Name: "PointerCodec.EncodeValue", Kinds: []reflect.Kind{reflect.Ptr}, Received: val}
+	}
+
+	if val.IsNil() {
+		return vw.WriteNull()
+	}
+
+	pc.l.RLock()
+	enc, ok := pc.ecache[val.Type()]
+	pc.l.RUnlock()
+	if ok {
+		if enc == nil {
+			return ErrNoEncoder{Type: val.Type()}
+		}
+		return enc.EncodeValue(ec, vw, val.Elem())
+	}
+
+	enc, err := ec.LookupEncoder(val.Type().Elem())
+	pc.l.Lock()
+	pc.ecache[val.Type()] = enc
+	pc.l.Unlock()
+	if err != nil {
+		return err
+	}
+
+	return enc.EncodeValue(ec, vw, val.Elem())
+}
+
+// DecodeValue handles decoding a pointer by looking up a decoder for the type it points to and
+// using that to decode. If the BSON value is Null, this method will set the pointer to nil.
+func (pc *PointerCodec) DecodeValue(dc DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error {
+	if !val.CanSet() || val.Kind() != reflect.Ptr {
+		return ValueDecoderError{Name: "PointerCodec.DecodeValue", Kinds: []reflect.Kind{reflect.Ptr}, Received: val}
+	}
+
+	if vr.Type() == bsontype.Null {
+		val.Set(reflect.Zero(val.Type()))
+		return vr.ReadNull()
+	}
+	if vr.Type() == bsontype.Undefined {
+		val.Set(reflect.Zero(val.Type()))
+		return vr.ReadUndefined()
+	}
+
+	if val.IsNil() {
+		val.Set(reflect.New(val.Type().Elem()))
+	}
+
+	pc.l.RLock()
+	dec, ok := pc.dcache[val.Type()]
+	pc.l.RUnlock()
+	if ok {
+		if dec == nil {
+			return ErrNoDecoder{Type: val.Type()}
+		}
+		return dec.DecodeValue(dc, vr, val.Elem())
+	}
+
+	dec, err := dc.LookupDecoder(val.Type().Elem())
+	pc.l.Lock()
+	pc.dcache[val.Type()] = dec
+	pc.l.Unlock()
+	if err != nil {
+		return err
+	}
+
+	return dec.DecodeValue(dc, vr, val.Elem())
+}
diff --git a/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/proxy.go b/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/proxy.go
new file mode 100644
index 000000000..4cf2b01ab
--- /dev/null
+++ b/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/proxy.go
@@ -0,0 +1,14 @@
+// Copyright (C) MongoDB, Inc. 2017-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+
+package bsoncodec
+
+// Proxy is an interface implemented by types that cannot themselves be directly encoded. Types
+// that implement this interface with have ProxyBSON called during the encoding process and that
+// value will be encoded in place for the implementer.
+type Proxy interface {
+	ProxyBSON() (interface{}, error)
+}
diff --git a/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/registry.go b/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/registry.go
new file mode 100644
index 000000000..80644023c
--- /dev/null
+++ b/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/registry.go
@@ -0,0 +1,469 @@
+// Copyright (C) MongoDB, Inc. 2017-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+
+package bsoncodec
+
+import (
+	"errors"
+	"fmt"
+	"reflect"
+	"sync"
+
+	"go.mongodb.org/mongo-driver/bson/bsontype"
+)
+
+// ErrNilType is returned when nil is passed to either LookupEncoder or LookupDecoder.
+var ErrNilType = errors.New("cannot perform a decoder lookup on <nil>")
+
+// ErrNotPointer is returned when a non-pointer type is provided to LookupDecoder.
+var ErrNotPointer = errors.New("non-pointer provided to LookupDecoder")
+
+// ErrNoEncoder is returned when there wasn't an encoder available for a type.
+type ErrNoEncoder struct {
+	Type reflect.Type
+}
+
+func (ene ErrNoEncoder) Error() string {
+	if ene.Type == nil {
+		return "no encoder found for <nil>"
+	}
+	return "no encoder found for " + ene.Type.String()
+}
+
+// ErrNoDecoder is returned when there wasn't a decoder available for a type.
+type ErrNoDecoder struct {
+	Type reflect.Type
+}
+
+func (end ErrNoDecoder) Error() string {
+	return "no decoder found for " + end.Type.String()
+}
+
+// ErrNoTypeMapEntry is returned when there wasn't a type available for the provided BSON type.
+type ErrNoTypeMapEntry struct {
+	Type bsontype.Type
+}
+
+func (entme ErrNoTypeMapEntry) Error() string {
+	return "no type map entry found for " + entme.Type.String()
+}
+
+// ErrNotInterface is returned when the provided type is not an interface.
+var ErrNotInterface = errors.New("The provided type is not an interface")
+
+// A RegistryBuilder is used to build a Registry. This type is not goroutine
+// safe.
+type RegistryBuilder struct {
+	typeEncoders      map[reflect.Type]ValueEncoder
+	interfaceEncoders []interfaceValueEncoder
+	kindEncoders      map[reflect.Kind]ValueEncoder
+
+	typeDecoders      map[reflect.Type]ValueDecoder
+	interfaceDecoders []interfaceValueDecoder
+	kindDecoders      map[reflect.Kind]ValueDecoder
+
+	typeMap map[bsontype.Type]reflect.Type
+}
+
+// A Registry is used to store and retrieve codecs for types and interfaces. This type is the main
+// typed passed around and Encoders and Decoders are constructed from it.
+type Registry struct {
+	typeEncoders map[reflect.Type]ValueEncoder
+	typeDecoders map[reflect.Type]ValueDecoder
+
+	interfaceEncoders []interfaceValueEncoder
+	interfaceDecoders []interfaceValueDecoder
+
+	kindEncoders map[reflect.Kind]ValueEncoder
+	kindDecoders map[reflect.Kind]ValueDecoder
+
+	typeMap map[bsontype.Type]reflect.Type
+
+	mu sync.RWMutex
+}
+
+// NewRegistryBuilder creates a new empty RegistryBuilder.
+func NewRegistryBuilder() *RegistryBuilder {
+	return &RegistryBuilder{
+		typeEncoders: make(map[reflect.Type]ValueEncoder),
+		typeDecoders: make(map[reflect.Type]ValueDecoder),
+
+		interfaceEncoders: make([]interfaceValueEncoder, 0),
+		interfaceDecoders: make([]interfaceValueDecoder, 0),
+
+		kindEncoders: make(map[reflect.Kind]ValueEncoder),
+		kindDecoders: make(map[reflect.Kind]ValueDecoder),
+
+		typeMap: make(map[bsontype.Type]reflect.Type),
+	}
+}
+
+func buildDefaultRegistry() *Registry {
+	rb := NewRegistryBuilder()
+	defaultValueEncoders.RegisterDefaultEncoders(rb)
+	defaultValueDecoders.RegisterDefaultDecoders(rb)
+	return rb.Build()
+}
+
+// RegisterCodec will register the provided ValueCodec for the provided type.
+func (rb *RegistryBuilder) RegisterCodec(t reflect.Type, codec ValueCodec) *RegistryBuilder {
+	rb.RegisterTypeEncoder(t, codec)
+	rb.RegisterTypeDecoder(t, codec)
+	return rb
+}
+
+// RegisterTypeEncoder will register the provided ValueEncoder for the provided type.
+//
+// The type will be used directly, so an encoder can be registered for a type and a different encoder can be registered
+// for a pointer to that type.
+//
+// If the given type is an interface, the encoder will be called when marshalling a type that is that interface. It
+// will not be called when marshalling a non-interface type that implements the interface.
+func (rb *RegistryBuilder) RegisterTypeEncoder(t reflect.Type, enc ValueEncoder) *RegistryBuilder {
+	rb.typeEncoders[t] = enc
+	return rb
+}
+
+// RegisterHookEncoder will register an encoder for the provided interface type t. This encoder will be called when
+// marshalling a type if the type implements t or a pointer to the type implements t. If the provided type is not
+// an interface (i.e. t.Kind() != reflect.Interface), this method will panic.
+func (rb *RegistryBuilder) RegisterHookEncoder(t reflect.Type, enc ValueEncoder) *RegistryBuilder {
+	if t.Kind() != reflect.Interface {
+		panicStr := fmt.Sprintf("RegisterHookEncoder expects a type with kind reflect.Interface, "+
+			"got type %s with kind %s", t, t.Kind())
+		panic(panicStr)
+	}
+
+	for idx, encoder := range rb.interfaceEncoders {
+		if encoder.i == t {
+			rb.interfaceEncoders[idx].ve = enc
+			return rb
+		}
+	}
+
+	rb.interfaceEncoders = append(rb.interfaceEncoders, interfaceValueEncoder{i: t, ve: enc})
+	return rb
+}
+
+// RegisterTypeDecoder will register the provided ValueDecoder for the provided type.
+//
+// The type will be used directly, so a decoder can be registered for a type and a different decoder can be registered
+// for a pointer to that type.
+//
+// If the given type is an interface, the decoder will be called when unmarshalling into a type that is that interface.
+// It will not be called when unmarshalling into a non-interface type that implements the interface.
+func (rb *RegistryBuilder) RegisterTypeDecoder(t reflect.Type, dec ValueDecoder) *RegistryBuilder {
+	rb.typeDecoders[t] = dec
+	return rb
+}
+
+// RegisterHookDecoder will register an decoder for the provided interface type t. This decoder will be called when
+// unmarshalling into a type if the type implements t or a pointer to the type implements t. If the provided type is not
+// an interface (i.e. t.Kind() != reflect.Interface), this method will panic.
+func (rb *RegistryBuilder) RegisterHookDecoder(t reflect.Type, dec ValueDecoder) *RegistryBuilder {
+	if t.Kind() != reflect.Interface {
+		panicStr := fmt.Sprintf("RegisterHookDecoder expects a type with kind reflect.Interface, "+
+			"got type %s with kind %s", t, t.Kind())
+		panic(panicStr)
+	}
+
+	for idx, decoder := range rb.interfaceDecoders {
+		if decoder.i == t {
+			rb.interfaceDecoders[idx].vd = dec
+			return rb
+		}
+	}
+
+	rb.interfaceDecoders = append(rb.interfaceDecoders, interfaceValueDecoder{i: t, vd: dec})
+	return rb
+}
+
+// RegisterEncoder registers the provided type and encoder pair.
+//
+// Deprecated: Use RegisterTypeEncoder or RegisterHookEncoder instead.
+func (rb *RegistryBuilder) RegisterEncoder(t reflect.Type, enc ValueEncoder) *RegistryBuilder {
+	if t == tEmpty {
+		rb.typeEncoders[t] = enc
+		return rb
+	}
+	switch t.Kind() {
+	case reflect.Interface:
+		for idx, ir := range rb.interfaceEncoders {
+			if ir.i == t {
+				rb.interfaceEncoders[idx].ve = enc
+				return rb
+			}
+		}
+
+		rb.interfaceEncoders = append(rb.interfaceEncoders, interfaceValueEncoder{i: t, ve: enc})
+	default:
+		rb.typeEncoders[t] = enc
+	}
+	return rb
+}
+
+// RegisterDecoder registers the provided type and decoder pair.
+//
+// Deprecated: Use RegisterTypeDecoder or RegisterHookDecoder instead.
+func (rb *RegistryBuilder) RegisterDecoder(t reflect.Type, dec ValueDecoder) *RegistryBuilder {
+	if t == nil {
+		rb.typeDecoders[nil] = dec
+		return rb
+	}
+	if t == tEmpty {
+		rb.typeDecoders[t] = dec
+		return rb
+	}
+	switch t.Kind() {
+	case reflect.Interface:
+		for idx, ir := range rb.interfaceDecoders {
+			if ir.i == t {
+				rb.interfaceDecoders[idx].vd = dec
+				return rb
+			}
+		}
+
+		rb.interfaceDecoders = append(rb.interfaceDecoders, interfaceValueDecoder{i: t, vd: dec})
+	default:
+		rb.typeDecoders[t] = dec
+	}
+	return rb
+}
+
+// RegisterDefaultEncoder will registr the provided ValueEncoder to the provided
+// kind.
+func (rb *RegistryBuilder) RegisterDefaultEncoder(kind reflect.Kind, enc ValueEncoder) *RegistryBuilder {
+	rb.kindEncoders[kind] = enc
+	return rb
+}
+
+// RegisterDefaultDecoder will register the provided ValueDecoder to the
+// provided kind.
+func (rb *RegistryBuilder) RegisterDefaultDecoder(kind reflect.Kind, dec ValueDecoder) *RegistryBuilder {
+	rb.kindDecoders[kind] = dec
+	return rb
+}
+
+// RegisterTypeMapEntry will register the provided type to the BSON type. The primary usage for this
+// mapping is decoding situations where an empty interface is used and a default type needs to be
+// created and decoded into.
+//
+// By default, BSON documents will decode into interface{} values as bson.D. To change the default type for BSON
+// documents, a type map entry for bsontype.EmbeddedDocument should be registered. For example, to force BSON documents
+// to decode to bson.Raw, use the following code:
+//
+//	rb.RegisterTypeMapEntry(bsontype.EmbeddedDocument, reflect.TypeOf(bson.Raw{}))
+func (rb *RegistryBuilder) RegisterTypeMapEntry(bt bsontype.Type, rt reflect.Type) *RegistryBuilder {
+	rb.typeMap[bt] = rt
+	return rb
+}
+
+// Build creates a Registry from the current state of this RegistryBuilder.
+func (rb *RegistryBuilder) Build() *Registry {
+	registry := new(Registry)
+
+	registry.typeEncoders = make(map[reflect.Type]ValueEncoder)
+	for t, enc := range rb.typeEncoders {
+		registry.typeEncoders[t] = enc
+	}
+
+	registry.typeDecoders = make(map[reflect.Type]ValueDecoder)
+	for t, dec := range rb.typeDecoders {
+		registry.typeDecoders[t] = dec
+	}
+
+	registry.interfaceEncoders = make([]interfaceValueEncoder, len(rb.interfaceEncoders))
+	copy(registry.interfaceEncoders, rb.interfaceEncoders)
+
+	registry.interfaceDecoders = make([]interfaceValueDecoder, len(rb.interfaceDecoders))
+	copy(registry.interfaceDecoders, rb.interfaceDecoders)
+
+	registry.kindEncoders = make(map[reflect.Kind]ValueEncoder)
+	for kind, enc := range rb.kindEncoders {
+		registry.kindEncoders[kind] = enc
+	}
+
+	registry.kindDecoders = make(map[reflect.Kind]ValueDecoder)
+	for kind, dec := range rb.kindDecoders {
+		registry.kindDecoders[kind] = dec
+	}
+
+	registry.typeMap = make(map[bsontype.Type]reflect.Type)
+	for bt, rt := range rb.typeMap {
+		registry.typeMap[bt] = rt
+	}
+
+	return registry
+}
+
+// LookupEncoder inspects the registry for an encoder for the given type. The lookup precedence works as follows:
+//
+// 1. An encoder registered for the exact type. If the given type represents an interface, an encoder registered using
+// RegisterTypeEncoder for the interface will be selected.
+//
+// 2. An encoder registered using RegisterHookEncoder for an interface implemented by the type or by a pointer to the
+// type.
+//
+// 3. An encoder registered for the reflect.Kind of the value.
+//
+// If no encoder is found, an error of type ErrNoEncoder is returned.
+func (r *Registry) LookupEncoder(t reflect.Type) (ValueEncoder, error) {
+	encodererr := ErrNoEncoder{Type: t}
+	r.mu.RLock()
+	enc, found := r.lookupTypeEncoder(t)
+	r.mu.RUnlock()
+	if found {
+		if enc == nil {
+			return nil, ErrNoEncoder{Type: t}
+		}
+		return enc, nil
+	}
+
+	enc, found = r.lookupInterfaceEncoder(t, true)
+	if found {
+		r.mu.Lock()
+		r.typeEncoders[t] = enc
+		r.mu.Unlock()
+		return enc, nil
+	}
+
+	if t == nil {
+		r.mu.Lock()
+		r.typeEncoders[t] = nil
+		r.mu.Unlock()
+		return nil, encodererr
+	}
+
+	enc, found = r.kindEncoders[t.Kind()]
+	if !found {
+		r.mu.Lock()
+		r.typeEncoders[t] = nil
+		r.mu.Unlock()
+		return nil, encodererr
+	}
+
+	r.mu.Lock()
+	r.typeEncoders[t] = enc
+	r.mu.Unlock()
+	return enc, nil
+}
+
+func (r *Registry) lookupTypeEncoder(t reflect.Type) (ValueEncoder, bool) {
+	enc, found := r.typeEncoders[t]
+	return enc, found
+}
+
+func (r *Registry) lookupInterfaceEncoder(t reflect.Type, allowAddr bool) (ValueEncoder, bool) {
+	if t == nil {
+		return nil, false
+	}
+	for _, ienc := range r.interfaceEncoders {
+		if t.Implements(ienc.i) {
+			return ienc.ve, true
+		}
+		if allowAddr && t.Kind() != reflect.Ptr && reflect.PtrTo(t).Implements(ienc.i) {
+			// if *t implements an interface, this will catch if t implements an interface further ahead
+			// in interfaceEncoders
+			defaultEnc, found := r.lookupInterfaceEncoder(t, false)
+			if !found {
+				defaultEnc = r.kindEncoders[t.Kind()]
+			}
+			return newCondAddrEncoder(ienc.ve, defaultEnc), true
+		}
+	}
+	return nil, false
+}
+
+// LookupDecoder inspects the registry for an decoder for the given type. The lookup precedence works as follows:
+//
+// 1. A decoder registered for the exact type. If the given type represents an interface, a decoder registered using
+// RegisterTypeDecoder for the interface will be selected.
+//
+// 2. A decoder registered using RegisterHookDecoder for an interface implemented by the type or by a pointer to the
+// type.
+//
+// 3. A decoder registered for the reflect.Kind of the value.
+//
+// If no decoder is found, an error of type ErrNoDecoder is returned.
+func (r *Registry) LookupDecoder(t reflect.Type) (ValueDecoder, error) {
+	if t == nil {
+		return nil, ErrNilType
+	}
+	decodererr := ErrNoDecoder{Type: t}
+	r.mu.RLock()
+	dec, found := r.lookupTypeDecoder(t)
+	r.mu.RUnlock()
+	if found {
+		if dec == nil {
+			return nil, ErrNoDecoder{Type: t}
+		}
+		return dec, nil
+	}
+
+	dec, found = r.lookupInterfaceDecoder(t, true)
+	if found {
+		r.mu.Lock()
+		r.typeDecoders[t] = dec
+		r.mu.Unlock()
+		return dec, nil
+	}
+
+	dec, found = r.kindDecoders[t.Kind()]
+	if !found {
+		r.mu.Lock()
+		r.typeDecoders[t] = nil
+		r.mu.Unlock()
+		return nil, decodererr
+	}
+
+	r.mu.Lock()
+	r.typeDecoders[t] = dec
+	r.mu.Unlock()
+	return dec, nil
+}
+
+func (r *Registry) lookupTypeDecoder(t reflect.Type) (ValueDecoder, bool) {
+	dec, found := r.typeDecoders[t]
+	return dec, found
+}
+
+func (r *Registry) lookupInterfaceDecoder(t reflect.Type, allowAddr bool) (ValueDecoder, bool) {
+	for _, idec := range r.interfaceDecoders {
+		if t.Implements(idec.i) {
+			return idec.vd, true
+		}
+		if allowAddr && t.Kind() != reflect.Ptr && reflect.PtrTo(t).Implements(idec.i) {
+			// if *t implements an interface, this will catch if t implements an interface further ahead
+			// in interfaceDecoders
+			defaultDec, found := r.lookupInterfaceDecoder(t, false)
+			if !found {
+				defaultDec = r.kindDecoders[t.Kind()]
+			}
+			return newCondAddrDecoder(idec.vd, defaultDec), true
+		}
+	}
+	return nil, false
+}
+
+// LookupTypeMapEntry inspects the registry's type map for a Go type for the corresponding BSON
+// type. If no type is found, ErrNoTypeMapEntry is returned.
+func (r *Registry) LookupTypeMapEntry(bt bsontype.Type) (reflect.Type, error) {
+	t, ok := r.typeMap[bt]
+	if !ok || t == nil {
+		return nil, ErrNoTypeMapEntry{Type: bt}
+	}
+	return t, nil
+}
+
+type interfaceValueEncoder struct {
+	i  reflect.Type
+	ve ValueEncoder
+}
+
+type interfaceValueDecoder struct {
+	i  reflect.Type
+	vd ValueDecoder
+}
diff --git a/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/slice_codec.go b/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/slice_codec.go
new file mode 100644
index 000000000..3c1b6b860
--- /dev/null
+++ b/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/slice_codec.go
@@ -0,0 +1,199 @@
+// Copyright (C) MongoDB, Inc. 2017-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+
+package bsoncodec
+
+import (
+	"fmt"
+	"reflect"
+
+	"go.mongodb.org/mongo-driver/bson/bsonoptions"
+	"go.mongodb.org/mongo-driver/bson/bsonrw"
+	"go.mongodb.org/mongo-driver/bson/bsontype"
+	"go.mongodb.org/mongo-driver/bson/primitive"
+)
+
+var defaultSliceCodec = NewSliceCodec()
+
+// SliceCodec is the Codec used for slice values.
+type SliceCodec struct {
+	EncodeNilAsEmpty bool
+}
+
+var _ ValueCodec = &MapCodec{}
+
+// NewSliceCodec returns a MapCodec with options opts.
+func NewSliceCodec(opts ...*bsonoptions.SliceCodecOptions) *SliceCodec {
+	sliceOpt := bsonoptions.MergeSliceCodecOptions(opts...)
+
+	codec := SliceCodec{}
+	if sliceOpt.EncodeNilAsEmpty != nil {
+		codec.EncodeNilAsEmpty = *sliceOpt.EncodeNilAsEmpty
+	}
+	return &codec
+}
+
+// EncodeValue is the ValueEncoder for slice types.
+func (sc SliceCodec) EncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error {
+	if !val.IsValid() || val.Kind() != reflect.Slice {
+		return ValueEncoderError{Name: "SliceEncodeValue", Kinds: []reflect.Kind{reflect.Slice}, Received: val}
+	}
+
+	if val.IsNil() && !sc.EncodeNilAsEmpty {
+		return vw.WriteNull()
+	}
+
+	// If we have a []byte we want to treat it as a binary instead of as an array.
+	if val.Type().Elem() == tByte {
+		var byteSlice []byte
+		for idx := 0; idx < val.Len(); idx++ {
+			byteSlice = append(byteSlice, val.Index(idx).Interface().(byte))
+		}
+		return vw.WriteBinary(byteSlice)
+	}
+
+	// If we have a []primitive.E we want to treat it as a document instead of as an array.
+	if val.Type().ConvertibleTo(tD) {
+		d := val.Convert(tD).Interface().(primitive.D)
+
+		dw, err := vw.WriteDocument()
+		if err != nil {
+			return err
+		}
+
+		for _, e := range d {
+			err = encodeElement(ec, dw, e)
+			if err != nil {
+				return err
+			}
+		}
+
+		return dw.WriteDocumentEnd()
+	}
+
+	aw, err := vw.WriteArray()
+	if err != nil {
+		return err
+	}
+
+	elemType := val.Type().Elem()
+	encoder, err := ec.LookupEncoder(elemType)
+	if err != nil && elemType.Kind() != reflect.Interface {
+		return err
+	}
+
+	for idx := 0; idx < val.Len(); idx++ {
+		currEncoder, currVal, lookupErr := defaultValueEncoders.lookupElementEncoder(ec, encoder, val.Index(idx))
+		if lookupErr != nil && lookupErr != errInvalidValue {
+			return lookupErr
+		}
+
+		vw, err := aw.WriteArrayElement()
+		if err != nil {
+			return err
+		}
+
+		if lookupErr == errInvalidValue {
+			err = vw.WriteNull()
+			if err != nil {
+				return err
+			}
+			continue
+		}
+
+		err = currEncoder.EncodeValue(ec, vw, currVal)
+		if err != nil {
+			return err
+		}
+	}
+	return aw.WriteArrayEnd()
+}
+
+// DecodeValue is the ValueDecoder for slice types.
+func (sc *SliceCodec) DecodeValue(dc DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error {
+	if !val.CanSet() || val.Kind() != reflect.Slice {
+		return ValueDecoderError{Name: "SliceDecodeValue", Kinds: []reflect.Kind{reflect.Slice}, Received: val}
+	}
+
+	switch vrType := vr.Type(); vrType {
+	case bsontype.Array:
+	case bsontype.Null:
+		val.Set(reflect.Zero(val.Type()))
+		return vr.ReadNull()
+	case bsontype.Undefined:
+		val.Set(reflect.Zero(val.Type()))
+		return vr.ReadUndefined()
+	case bsontype.Type(0), bsontype.EmbeddedDocument:
+		if val.Type().Elem() != tE {
+			return fmt.Errorf("cannot decode document into %s", val.Type())
+		}
+	case bsontype.Binary:
+		if val.Type().Elem() != tByte {
+			return fmt.Errorf("SliceDecodeValue can only decode a binary into a byte array, got %v", vrType)
+		}
+		data, subtype, err := vr.ReadBinary()
+		if err != nil {
+			return err
+		}
+		if subtype != bsontype.BinaryGeneric && subtype != bsontype.BinaryBinaryOld {
+			return fmt.Errorf("SliceDecodeValue can only be used to decode subtype 0x00 or 0x02 for %s, got %v", bsontype.Binary, subtype)
+		}
+
+		if val.IsNil() {
+			val.Set(reflect.MakeSlice(val.Type(), 0, len(data)))
+		}
+
+		val.SetLen(0)
+		for _, elem := range data {
+			val.Set(reflect.Append(val, reflect.ValueOf(elem)))
+		}
+		return nil
+	case bsontype.String:
+		if sliceType := val.Type().Elem(); sliceType != tByte {
+			return fmt.Errorf("SliceDecodeValue can only decode a string into a byte array, got %v", sliceType)
+		}
+		str, err := vr.ReadString()
+		if err != nil {
+			return err
+		}
+		byteStr := []byte(str)
+
+		if val.IsNil() {
+			val.Set(reflect.MakeSlice(val.Type(), 0, len(byteStr)))
+		}
+
+		val.SetLen(0)
+		for _, elem := range byteStr {
+			val.Set(reflect.Append(val, reflect.ValueOf(elem)))
+		}
+		return nil
+	default:
+		return fmt.Errorf("cannot decode %v into a slice", vrType)
+	}
+
+	var elemsFunc func(DecodeContext, bsonrw.ValueReader, reflect.Value) ([]reflect.Value, error)
+	switch val.Type().Elem() {
+	case tE:
+		dc.Ancestor = val.Type()
+		elemsFunc = defaultValueDecoders.decodeD
+	default:
+		elemsFunc = defaultValueDecoders.decodeDefault
+	}
+
+	elems, err := elemsFunc(dc, vr, val)
+	if err != nil {
+		return err
+	}
+
+	if val.IsNil() {
+		val.Set(reflect.MakeSlice(val.Type(), 0, len(elems)))
+	}
+
+	val.SetLen(0)
+	val.Set(reflect.Append(val, elems...))
+
+	return nil
+}
diff --git a/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/string_codec.go b/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/string_codec.go
new file mode 100644
index 000000000..5332b7c3b
--- /dev/null
+++ b/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/string_codec.go
@@ -0,0 +1,119 @@
+// Copyright (C) MongoDB, Inc. 2017-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+
+package bsoncodec
+
+import (
+	"fmt"
+	"reflect"
+
+	"go.mongodb.org/mongo-driver/bson/bsonoptions"
+	"go.mongodb.org/mongo-driver/bson/bsonrw"
+	"go.mongodb.org/mongo-driver/bson/bsontype"
+)
+
+// StringCodec is the Codec used for struct values.
+type StringCodec struct {
+	DecodeObjectIDAsHex bool
+}
+
+var (
+	defaultStringCodec = NewStringCodec()
+
+	_ ValueCodec  = defaultStringCodec
+	_ typeDecoder = defaultStringCodec
+)
+
+// NewStringCodec returns a StringCodec with options opts.
+func NewStringCodec(opts ...*bsonoptions.StringCodecOptions) *StringCodec {
+	stringOpt := bsonoptions.MergeStringCodecOptions(opts...)
+	return &StringCodec{*stringOpt.DecodeObjectIDAsHex}
+}
+
+// EncodeValue is the ValueEncoder for string types.
+func (sc *StringCodec) EncodeValue(ectx EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error {
+	if val.Kind() != reflect.String {
+		return ValueEncoderError{
+			Name:     "StringEncodeValue",
+			Kinds:    []reflect.Kind{reflect.String},
+			Received: val,
+		}
+	}
+
+	return vw.WriteString(val.String())
+}
+
+func (sc *StringCodec) decodeType(dc DecodeContext, vr bsonrw.ValueReader, t reflect.Type) (reflect.Value, error) {
+	if t.Kind() != reflect.String {
+		return emptyValue, ValueDecoderError{
+			Name:     "StringDecodeValue",
+			Kinds:    []reflect.Kind{reflect.String},
+			Received: reflect.Zero(t),
+		}
+	}
+
+	var str string
+	var err error
+	switch vr.Type() {
+	case bsontype.String:
+		str, err = vr.ReadString()
+		if err != nil {
+			return emptyValue, err
+		}
+	case bsontype.ObjectID:
+		oid, err := vr.ReadObjectID()
+		if err != nil {
+			return emptyValue, err
+		}
+		if sc.DecodeObjectIDAsHex {
+			str = oid.Hex()
+		} else {
+			byteArray := [12]byte(oid)
+			str = string(byteArray[:])
+		}
+	case bsontype.Symbol:
+		str, err = vr.ReadSymbol()
+		if err != nil {
+			return emptyValue, err
+		}
+	case bsontype.Binary:
+		data, subtype, err := vr.ReadBinary()
+		if err != nil {
+			return emptyValue, err
+		}
+		if subtype != bsontype.BinaryGeneric && subtype != bsontype.BinaryBinaryOld {
+			return emptyValue, decodeBinaryError{subtype: subtype, typeName: "string"}
+		}
+		str = string(data)
+	case bsontype.Null:
+		if err = vr.ReadNull(); err != nil {
+			return emptyValue, err
+		}
+	case bsontype.Undefined:
+		if err = vr.ReadUndefined(); err != nil {
+			return emptyValue, err
+		}
+	default:
+		return emptyValue, fmt.Errorf("cannot decode %v into a string type", vr.Type())
+	}
+
+	return reflect.ValueOf(str), nil
+}
+
+// DecodeValue is the ValueDecoder for string types.
+func (sc *StringCodec) DecodeValue(dctx DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error {
+	if !val.CanSet() || val.Kind() != reflect.String {
+		return ValueDecoderError{Name: "StringDecodeValue", Kinds: []reflect.Kind{reflect.String}, Received: val}
+	}
+
+	elem, err := sc.decodeType(dctx, vr, val.Type())
+	if err != nil {
+		return err
+	}
+
+	val.SetString(elem.String())
+	return nil
+}
diff --git a/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/struct_codec.go b/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/struct_codec.go
new file mode 100644
index 000000000..be3f2081e
--- /dev/null
+++ b/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/struct_codec.go
@@ -0,0 +1,664 @@
+// Copyright (C) MongoDB, Inc. 2017-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+
+package bsoncodec
+
+import (
+	"errors"
+	"fmt"
+	"reflect"
+	"sort"
+	"strings"
+	"sync"
+	"time"
+
+	"go.mongodb.org/mongo-driver/bson/bsonoptions"
+	"go.mongodb.org/mongo-driver/bson/bsonrw"
+	"go.mongodb.org/mongo-driver/bson/bsontype"
+)
+
+// DecodeError represents an error that occurs when unmarshalling BSON bytes into a native Go type.
+type DecodeError struct {
+	keys    []string
+	wrapped error
+}
+
+// Unwrap returns the underlying error
+func (de *DecodeError) Unwrap() error {
+	return de.wrapped
+}
+
+// Error implements the error interface.
+func (de *DecodeError) Error() string {
+	// The keys are stored in reverse order because the de.keys slice is builtup while propagating the error up the
+	// stack of BSON keys, so we call de.Keys(), which reverses them.
+	keyPath := strings.Join(de.Keys(), ".")
+	return fmt.Sprintf("error decoding key %s: %v", keyPath, de.wrapped)
+}
+
+// Keys returns the BSON key path that caused an error as a slice of strings. The keys in the slice are in top-down
+// order. For example, if the document being unmarshalled was {a: {b: {c: 1}}} and the value for c was supposed to be
+// a string, the keys slice will be ["a", "b", "c"].
+func (de *DecodeError) Keys() []string {
+	reversedKeys := make([]string, 0, len(de.keys))
+	for idx := len(de.keys) - 1; idx >= 0; idx-- {
+		reversedKeys = append(reversedKeys, de.keys[idx])
+	}
+
+	return reversedKeys
+}
+
+// Zeroer allows custom struct types to implement a report of zero
+// state. All struct types that don't implement Zeroer or where IsZero
+// returns false are considered to be not zero.
+type Zeroer interface {
+	IsZero() bool
+}
+
+// StructCodec is the Codec used for struct values.
+type StructCodec struct {
+	cache                            map[reflect.Type]*structDescription
+	l                                sync.RWMutex
+	parser                           StructTagParser
+	DecodeZeroStruct                 bool
+	DecodeDeepZeroInline             bool
+	EncodeOmitDefaultStruct          bool
+	AllowUnexportedFields            bool
+	OverwriteDuplicatedInlinedFields bool
+}
+
+var _ ValueEncoder = &StructCodec{}
+var _ ValueDecoder = &StructCodec{}
+
+// NewStructCodec returns a StructCodec that uses p for struct tag parsing.
+func NewStructCodec(p StructTagParser, opts ...*bsonoptions.StructCodecOptions) (*StructCodec, error) {
+	if p == nil {
+		return nil, errors.New("a StructTagParser must be provided to NewStructCodec")
+	}
+
+	structOpt := bsonoptions.MergeStructCodecOptions(opts...)
+
+	codec := &StructCodec{
+		cache:  make(map[reflect.Type]*structDescription),
+		parser: p,
+	}
+
+	if structOpt.DecodeZeroStruct != nil {
+		codec.DecodeZeroStruct = *structOpt.DecodeZeroStruct
+	}
+	if structOpt.DecodeDeepZeroInline != nil {
+		codec.DecodeDeepZeroInline = *structOpt.DecodeDeepZeroInline
+	}
+	if structOpt.EncodeOmitDefaultStruct != nil {
+		codec.EncodeOmitDefaultStruct = *structOpt.EncodeOmitDefaultStruct
+	}
+	if structOpt.OverwriteDuplicatedInlinedFields != nil {
+		codec.OverwriteDuplicatedInlinedFields = *structOpt.OverwriteDuplicatedInlinedFields
+	}
+	if structOpt.AllowUnexportedFields != nil {
+		codec.AllowUnexportedFields = *structOpt.AllowUnexportedFields
+	}
+
+	return codec, nil
+}
+
+// EncodeValue handles encoding generic struct types.
+func (sc *StructCodec) EncodeValue(r EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error {
+	if !val.IsValid() || val.Kind() != reflect.Struct {
+		return ValueEncoderError{Name: "StructCodec.EncodeValue", Kinds: []reflect.Kind{reflect.Struct}, Received: val}
+	}
+
+	sd, err := sc.describeStruct(r.Registry, val.Type())
+	if err != nil {
+		return err
+	}
+
+	dw, err := vw.WriteDocument()
+	if err != nil {
+		return err
+	}
+	var rv reflect.Value
+	for _, desc := range sd.fl {
+		if desc.inline == nil {
+			rv = val.Field(desc.idx)
+		} else {
+			rv, err = fieldByIndexErr(val, desc.inline)
+			if err != nil {
+				continue
+			}
+		}
+
+		desc.encoder, rv, err = defaultValueEncoders.lookupElementEncoder(r, desc.encoder, rv)
+
+		if err != nil && err != errInvalidValue {
+			return err
+		}
+
+		if err == errInvalidValue {
+			if desc.omitEmpty {
+				continue
+			}
+			vw2, err := dw.WriteDocumentElement(desc.name)
+			if err != nil {
+				return err
+			}
+			err = vw2.WriteNull()
+			if err != nil {
+				return err
+			}
+			continue
+		}
+
+		if desc.encoder == nil {
+			return ErrNoEncoder{Type: rv.Type()}
+		}
+
+		encoder := desc.encoder
+
+		var isZero bool
+		rvInterface := rv.Interface()
+		if cz, ok := encoder.(CodecZeroer); ok {
+			isZero = cz.IsTypeZero(rvInterface)
+		} else if rv.Kind() == reflect.Interface {
+			// sc.isZero will not treat an interface rv as an interface, so we need to check for the zero interface separately.
+			isZero = rv.IsNil()
+		} else {
+			isZero = sc.isZero(rvInterface)
+		}
+		if desc.omitEmpty && isZero {
+			continue
+		}
+
+		vw2, err := dw.WriteDocumentElement(desc.name)
+		if err != nil {
+			return err
+		}
+
+		ectx := EncodeContext{Registry: r.Registry, MinSize: desc.minSize}
+		err = encoder.EncodeValue(ectx, vw2, rv)
+		if err != nil {
+			return err
+		}
+	}
+
+	if sd.inlineMap >= 0 {
+		rv := val.Field(sd.inlineMap)
+		collisionFn := func(key string) bool {
+			_, exists := sd.fm[key]
+			return exists
+		}
+
+		return defaultMapCodec.mapEncodeValue(r, dw, rv, collisionFn)
+	}
+
+	return dw.WriteDocumentEnd()
+}
+
+func newDecodeError(key string, original error) error {
+	de, ok := original.(*DecodeError)
+	if !ok {
+		return &DecodeError{
+			keys:    []string{key},
+			wrapped: original,
+		}
+	}
+
+	de.keys = append(de.keys, key)
+	return de
+}
+
+// DecodeValue implements the Codec interface.
+// By default, map types in val will not be cleared. If a map has existing key/value pairs, it will be extended with the new ones from vr.
+// For slices, the decoder will set the length of the slice to zero and append all elements. The underlying array will not be cleared.
+func (sc *StructCodec) DecodeValue(r DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error {
+	if !val.CanSet() || val.Kind() != reflect.Struct {
+		return ValueDecoderError{Name: "StructCodec.DecodeValue", Kinds: []reflect.Kind{reflect.Struct}, Received: val}
+	}
+
+	switch vrType := vr.Type(); vrType {
+	case bsontype.Type(0), bsontype.EmbeddedDocument:
+	case bsontype.Null:
+		if err := vr.ReadNull(); err != nil {
+			return err
+		}
+
+		val.Set(reflect.Zero(val.Type()))
+		return nil
+	case bsontype.Undefined:
+		if err := vr.ReadUndefined(); err != nil {
+			return err
+		}
+
+		val.Set(reflect.Zero(val.Type()))
+		return nil
+	default:
+		return fmt.Errorf("cannot decode %v into a %s", vrType, val.Type())
+	}
+
+	sd, err := sc.describeStruct(r.Registry, val.Type())
+	if err != nil {
+		return err
+	}
+
+	if sc.DecodeZeroStruct {
+		val.Set(reflect.Zero(val.Type()))
+	}
+	if sc.DecodeDeepZeroInline && sd.inline {
+		val.Set(deepZero(val.Type()))
+	}
+
+	var decoder ValueDecoder
+	var inlineMap reflect.Value
+	if sd.inlineMap >= 0 {
+		inlineMap = val.Field(sd.inlineMap)
+		decoder, err = r.LookupDecoder(inlineMap.Type().Elem())
+		if err != nil {
+			return err
+		}
+	}
+
+	dr, err := vr.ReadDocument()
+	if err != nil {
+		return err
+	}
+
+	for {
+		name, vr, err := dr.ReadElement()
+		if err == bsonrw.ErrEOD {
+			break
+		}
+		if err != nil {
+			return err
+		}
+
+		fd, exists := sd.fm[name]
+		if !exists {
+			// if the original name isn't found in the struct description, try again with the name in lowercase
+			// this could match if a BSON tag isn't specified because by default, describeStruct lowercases all field
+			// names
+			fd, exists = sd.fm[strings.ToLower(name)]
+		}
+
+		if !exists {
+			if sd.inlineMap < 0 {
+				// The encoding/json package requires a flag to return on error for non-existent fields.
+				// This functionality seems appropriate for the struct codec.
+				err = vr.Skip()
+				if err != nil {
+					return err
+				}
+				continue
+			}
+
+			if inlineMap.IsNil() {
+				inlineMap.Set(reflect.MakeMap(inlineMap.Type()))
+			}
+
+			elem := reflect.New(inlineMap.Type().Elem()).Elem()
+			r.Ancestor = inlineMap.Type()
+			err = decoder.DecodeValue(r, vr, elem)
+			if err != nil {
+				return err
+			}
+			inlineMap.SetMapIndex(reflect.ValueOf(name), elem)
+			continue
+		}
+
+		var field reflect.Value
+		if fd.inline == nil {
+			field = val.Field(fd.idx)
+		} else {
+			field, err = getInlineField(val, fd.inline)
+			if err != nil {
+				return err
+			}
+		}
+
+		if !field.CanSet() { // Being settable is a super set of being addressable.
+			innerErr := fmt.Errorf("field %v is not settable", field)
+			return newDecodeError(fd.name, innerErr)
+		}
+		if field.Kind() == reflect.Ptr && field.IsNil() {
+			field.Set(reflect.New(field.Type().Elem()))
+		}
+		field = field.Addr()
+
+		dctx := DecodeContext{Registry: r.Registry, Truncate: fd.truncate || r.Truncate}
+		if fd.decoder == nil {
+			return newDecodeError(fd.name, ErrNoDecoder{Type: field.Elem().Type()})
+		}
+
+		err = fd.decoder.DecodeValue(dctx, vr, field.Elem())
+		if err != nil {
+			return newDecodeError(fd.name, err)
+		}
+	}
+
+	return nil
+}
+
+func (sc *StructCodec) isZero(i interface{}) bool {
+	v := reflect.ValueOf(i)
+
+	// check the value validity
+	if !v.IsValid() {
+		return true
+	}
+
+	if z, ok := v.Interface().(Zeroer); ok && (v.Kind() != reflect.Ptr || !v.IsNil()) {
+		return z.IsZero()
+	}
+
+	switch v.Kind() {
+	case reflect.Array, reflect.Map, reflect.Slice, reflect.String:
+		return v.Len() == 0
+	case reflect.Bool:
+		return !v.Bool()
+	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
+		return v.Int() == 0
+	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
+		return v.Uint() == 0
+	case reflect.Float32, reflect.Float64:
+		return v.Float() == 0
+	case reflect.Interface, reflect.Ptr:
+		return v.IsNil()
+	case reflect.Struct:
+		if sc.EncodeOmitDefaultStruct {
+			vt := v.Type()
+			if vt == tTime {
+				return v.Interface().(time.Time).IsZero()
+			}
+			for i := 0; i < v.NumField(); i++ {
+				if vt.Field(i).PkgPath != "" && !vt.Field(i).Anonymous {
+					continue // Private field
+				}
+				fld := v.Field(i)
+				if !sc.isZero(fld.Interface()) {
+					return false
+				}
+			}
+			return true
+		}
+	}
+
+	return false
+}
+
+type structDescription struct {
+	fm        map[string]fieldDescription
+	fl        []fieldDescription
+	inlineMap int
+	inline    bool
+}
+
+type fieldDescription struct {
+	name      string // BSON key name
+	fieldName string // struct field name
+	idx       int
+	omitEmpty bool
+	minSize   bool
+	truncate  bool
+	inline    []int
+	encoder   ValueEncoder
+	decoder   ValueDecoder
+}
+
+type byIndex []fieldDescription
+
+func (bi byIndex) Len() int { return len(bi) }
+
+func (bi byIndex) Swap(i, j int) { bi[i], bi[j] = bi[j], bi[i] }
+
+func (bi byIndex) Less(i, j int) bool {
+	// If a field is inlined, its index in the top level struct is stored at inline[0]
+	iIdx, jIdx := bi[i].idx, bi[j].idx
+	if len(bi[i].inline) > 0 {
+		iIdx = bi[i].inline[0]
+	}
+	if len(bi[j].inline) > 0 {
+		jIdx = bi[j].inline[0]
+	}
+	if iIdx != jIdx {
+		return iIdx < jIdx
+	}
+	for k, biik := range bi[i].inline {
+		if k >= len(bi[j].inline) {
+			return false
+		}
+		if biik != bi[j].inline[k] {
+			return biik < bi[j].inline[k]
+		}
+	}
+	return len(bi[i].inline) < len(bi[j].inline)
+}
+
+func (sc *StructCodec) describeStruct(r *Registry, t reflect.Type) (*structDescription, error) {
+	// We need to analyze the struct, including getting the tags, collecting
+	// information about inlining, and create a map of the field name to the field.
+	sc.l.RLock()
+	ds, exists := sc.cache[t]
+	sc.l.RUnlock()
+	if exists {
+		return ds, nil
+	}
+
+	numFields := t.NumField()
+	sd := &structDescription{
+		fm:        make(map[string]fieldDescription, numFields),
+		fl:        make([]fieldDescription, 0, numFields),
+		inlineMap: -1,
+	}
+
+	var fields []fieldDescription
+	for i := 0; i < numFields; i++ {
+		sf := t.Field(i)
+		if sf.PkgPath != "" && (!sc.AllowUnexportedFields || !sf.Anonymous) {
+			// field is private or unexported fields aren't allowed, ignore
+			continue
+		}
+
+		sfType := sf.Type
+		encoder, err := r.LookupEncoder(sfType)
+		if err != nil {
+			encoder = nil
+		}
+		decoder, err := r.LookupDecoder(sfType)
+		if err != nil {
+			decoder = nil
+		}
+
+		description := fieldDescription{
+			fieldName: sf.Name,
+			idx:       i,
+			encoder:   encoder,
+			decoder:   decoder,
+		}
+
+		stags, err := sc.parser.ParseStructTags(sf)
+		if err != nil {
+			return nil, err
+		}
+		if stags.Skip {
+			continue
+		}
+		description.name = stags.Name
+		description.omitEmpty = stags.OmitEmpty
+		description.minSize = stags.MinSize
+		description.truncate = stags.Truncate
+
+		if stags.Inline {
+			sd.inline = true
+			switch sfType.Kind() {
+			case reflect.Map:
+				if sd.inlineMap >= 0 {
+					return nil, errors.New("(struct " + t.String() + ") multiple inline maps")
+				}
+				if sfType.Key() != tString {
+					return nil, errors.New("(struct " + t.String() + ") inline map must have a string keys")
+				}
+				sd.inlineMap = description.idx
+			case reflect.Ptr:
+				sfType = sfType.Elem()
+				if sfType.Kind() != reflect.Struct {
+					return nil, fmt.Errorf("(struct %s) inline fields must be a struct, a struct pointer, or a map", t.String())
+				}
+				fallthrough
+			case reflect.Struct:
+				inlinesf, err := sc.describeStruct(r, sfType)
+				if err != nil {
+					return nil, err
+				}
+				for _, fd := range inlinesf.fl {
+					if fd.inline == nil {
+						fd.inline = []int{i, fd.idx}
+					} else {
+						fd.inline = append([]int{i}, fd.inline...)
+					}
+					fields = append(fields, fd)
+
+				}
+			default:
+				return nil, fmt.Errorf("(struct %s) inline fields must be a struct, a struct pointer, or a map", t.String())
+			}
+			continue
+		}
+		fields = append(fields, description)
+	}
+
+	// Sort fieldDescriptions by name and use dominance rules to determine which should be added for each name
+	sort.Slice(fields, func(i, j int) bool {
+		x := fields
+		// sort field by name, breaking ties with depth, then
+		// breaking ties with index sequence.
+		if x[i].name != x[j].name {
+			return x[i].name < x[j].name
+		}
+		if len(x[i].inline) != len(x[j].inline) {
+			return len(x[i].inline) < len(x[j].inline)
+		}
+		return byIndex(x).Less(i, j)
+	})
+
+	for advance, i := 0, 0; i < len(fields); i += advance {
+		// One iteration per name.
+		// Find the sequence of fields with the name of this first field.
+		fi := fields[i]
+		name := fi.name
+		for advance = 1; i+advance < len(fields); advance++ {
+			fj := fields[i+advance]
+			if fj.name != name {
+				break
+			}
+		}
+		if advance == 1 { // Only one field with this name
+			sd.fl = append(sd.fl, fi)
+			sd.fm[name] = fi
+			continue
+		}
+		dominant, ok := dominantField(fields[i : i+advance])
+		if !ok || !sc.OverwriteDuplicatedInlinedFields {
+			return nil, fmt.Errorf("struct %s has duplicated key %s", t.String(), name)
+		}
+		sd.fl = append(sd.fl, dominant)
+		sd.fm[name] = dominant
+	}
+
+	sort.Sort(byIndex(sd.fl))
+
+	sc.l.Lock()
+	sc.cache[t] = sd
+	sc.l.Unlock()
+
+	return sd, nil
+}
+
+// dominantField looks through the fields, all of which are known to
+// have the same name, to find the single field that dominates the
+// others using Go's inlining rules. If there are multiple top-level
+// fields, the boolean will be false: This condition is an error in Go
+// and we skip all the fields.
+func dominantField(fields []fieldDescription) (fieldDescription, bool) {
+	// The fields are sorted in increasing index-length order, then by presence of tag.
+	// That means that the first field is the dominant one. We need only check
+	// for error cases: two fields at top level.
+	if len(fields) > 1 &&
+		len(fields[0].inline) == len(fields[1].inline) {
+		return fieldDescription{}, false
+	}
+	return fields[0], true
+}
+
+func fieldByIndexErr(v reflect.Value, index []int) (result reflect.Value, err error) {
+	defer func() {
+		if recovered := recover(); recovered != nil {
+			switch r := recovered.(type) {
+			case string:
+				err = fmt.Errorf("%s", r)
+			case error:
+				err = r
+			}
+		}
+	}()
+
+	result = v.FieldByIndex(index)
+	return
+}
+
+func getInlineField(val reflect.Value, index []int) (reflect.Value, error) {
+	field, err := fieldByIndexErr(val, index)
+	if err == nil {
+		return field, nil
+	}
+
+	// if parent of this element doesn't exist, fix its parent
+	inlineParent := index[:len(index)-1]
+	var fParent reflect.Value
+	if fParent, err = fieldByIndexErr(val, inlineParent); err != nil {
+		fParent, err = getInlineField(val, inlineParent)
+		if err != nil {
+			return fParent, err
+		}
+	}
+	fParent.Set(reflect.New(fParent.Type().Elem()))
+
+	return fieldByIndexErr(val, index)
+}
+
+// DeepZero returns recursive zero object
+func deepZero(st reflect.Type) (result reflect.Value) {
+	result = reflect.Indirect(reflect.New(st))
+
+	if result.Kind() == reflect.Struct {
+		for i := 0; i < result.NumField(); i++ {
+			if f := result.Field(i); f.Kind() == reflect.Ptr {
+				if f.CanInterface() {
+					if ft := reflect.TypeOf(f.Interface()); ft.Elem().Kind() == reflect.Struct {
+						result.Field(i).Set(recursivePointerTo(deepZero(ft.Elem())))
+					}
+				}
+			}
+		}
+	}
+
+	return
+}
+
+// recursivePointerTo calls reflect.New(v.Type) but recursively for its fields inside
+func recursivePointerTo(v reflect.Value) reflect.Value {
+	v = reflect.Indirect(v)
+	result := reflect.New(v.Type())
+	if v.Kind() == reflect.Struct {
+		for i := 0; i < v.NumField(); i++ {
+			if f := v.Field(i); f.Kind() == reflect.Ptr {
+				if f.Elem().Kind() == reflect.Struct {
+					result.Elem().Field(i).Set(recursivePointerTo(f))
+				}
+			}
+		}
+	}
+
+	return result
+}
diff --git a/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/struct_tag_parser.go b/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/struct_tag_parser.go
new file mode 100644
index 000000000..62708c5c7
--- /dev/null
+++ b/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/struct_tag_parser.go
@@ -0,0 +1,139 @@
+// Copyright (C) MongoDB, Inc. 2017-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+
+package bsoncodec
+
+import (
+	"reflect"
+	"strings"
+)
+
+// StructTagParser returns the struct tags for a given struct field.
+type StructTagParser interface {
+	ParseStructTags(reflect.StructField) (StructTags, error)
+}
+
+// StructTagParserFunc is an adapter that allows a generic function to be used
+// as a StructTagParser.
+type StructTagParserFunc func(reflect.StructField) (StructTags, error)
+
+// ParseStructTags implements the StructTagParser interface.
+func (stpf StructTagParserFunc) ParseStructTags(sf reflect.StructField) (StructTags, error) {
+	return stpf(sf)
+}
+
+// StructTags represents the struct tag fields that the StructCodec uses during
+// the encoding and decoding process.
+//
+// In the case of a struct, the lowercased field name is used as the key for each exported
+// field but this behavior may be changed using a struct tag. The tag may also contain flags to
+// adjust the marshalling behavior for the field.
+//
+// The properties are defined below:
+//
+//	OmitEmpty  Only include the field if it's not set to the zero value for the type or to
+//	           empty slices or maps.
+//
+//	MinSize    Marshal an integer of a type larger than 32 bits value as an int32, if that's
+//	           feasible while preserving the numeric value.
+//
+//	Truncate   When unmarshaling a BSON double, it is permitted to lose precision to fit within
+//	           a float32.
+//
+//	Inline     Inline the field, which must be a struct or a map, causing all of its fields
+//	           or keys to be processed as if they were part of the outer struct. For maps,
+//	           keys must not conflict with the bson keys of other struct fields.
+//
+//	Skip       This struct field should be skipped. This is usually denoted by parsing a "-"
+//	           for the name.
+//
+// TODO(skriptble): Add tags for undefined as nil and for null as nil.
+type StructTags struct {
+	Name      string
+	OmitEmpty bool
+	MinSize   bool
+	Truncate  bool
+	Inline    bool
+	Skip      bool
+}
+
+// DefaultStructTagParser is the StructTagParser used by the StructCodec by default.
+// It will handle the bson struct tag. See the documentation for StructTags to see
+// what each of the returned fields means.
+//
+// If there is no name in the struct tag fields, the struct field name is lowercased.
+// The tag formats accepted are:
+//
+//	"[<key>][,<flag1>[,<flag2>]]"
+//
+//	`(...) bson:"[<key>][,<flag1>[,<flag2>]]" (...)`
+//
+// An example:
+//
+//	type T struct {
+//	    A bool
+//	    B int    "myb"
+//	    C string "myc,omitempty"
+//	    D string `bson:",omitempty" json:"jsonkey"`
+//	    E int64  ",minsize"
+//	    F int64  "myf,omitempty,minsize"
+//	}
+//
+// A struct tag either consisting entirely of '-' or with a bson key with a
+// value consisting entirely of '-' will return a StructTags with Skip true and
+// the remaining fields will be their default values.
+var DefaultStructTagParser StructTagParserFunc = func(sf reflect.StructField) (StructTags, error) {
+	key := strings.ToLower(sf.Name)
+	tag, ok := sf.Tag.Lookup("bson")
+	if !ok && !strings.Contains(string(sf.Tag), ":") && len(sf.Tag) > 0 {
+		tag = string(sf.Tag)
+	}
+	return parseTags(key, tag)
+}
+
+func parseTags(key string, tag string) (StructTags, error) {
+	var st StructTags
+	if tag == "-" {
+		st.Skip = true
+		return st, nil
+	}
+
+	for idx, str := range strings.Split(tag, ",") {
+		if idx == 0 && str != "" {
+			key = str
+		}
+		switch str {
+		case "omitempty":
+			st.OmitEmpty = true
+		case "minsize":
+			st.MinSize = true
+		case "truncate":
+			st.Truncate = true
+		case "inline":
+			st.Inline = true
+		}
+	}
+
+	st.Name = key
+
+	return st, nil
+}
+
+// JSONFallbackStructTagParser has the same behavior as DefaultStructTagParser
+// but will also fallback to parsing the json tag instead on a field where the
+// bson tag isn't available.
+var JSONFallbackStructTagParser StructTagParserFunc = func(sf reflect.StructField) (StructTags, error) {
+	key := strings.ToLower(sf.Name)
+	tag, ok := sf.Tag.Lookup("bson")
+	if !ok {
+		tag, ok = sf.Tag.Lookup("json")
+	}
+	if !ok && !strings.Contains(string(sf.Tag), ":") && len(sf.Tag) > 0 {
+		tag = string(sf.Tag)
+	}
+
+	return parseTags(key, tag)
+}
diff --git a/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/time_codec.go b/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/time_codec.go
new file mode 100644
index 000000000..ec7e30f72
--- /dev/null
+++ b/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/time_codec.go
@@ -0,0 +1,127 @@
+// Copyright (C) MongoDB, Inc. 2017-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+
+package bsoncodec
+
+import (
+	"fmt"
+	"reflect"
+	"time"
+
+	"go.mongodb.org/mongo-driver/bson/bsonoptions"
+	"go.mongodb.org/mongo-driver/bson/bsonrw"
+	"go.mongodb.org/mongo-driver/bson/bsontype"
+	"go.mongodb.org/mongo-driver/bson/primitive"
+)
+
+const (
+	timeFormatString = "2006-01-02T15:04:05.999Z07:00"
+)
+
+// TimeCodec is the Codec used for time.Time values.
+type TimeCodec struct {
+	UseLocalTimeZone bool
+}
+
+var (
+	defaultTimeCodec = NewTimeCodec()
+
+	_ ValueCodec  = defaultTimeCodec
+	_ typeDecoder = defaultTimeCodec
+)
+
+// NewTimeCodec returns a TimeCodec with options opts.
+func NewTimeCodec(opts ...*bsonoptions.TimeCodecOptions) *TimeCodec {
+	timeOpt := bsonoptions.MergeTimeCodecOptions(opts...)
+
+	codec := TimeCodec{}
+	if timeOpt.UseLocalTimeZone != nil {
+		codec.UseLocalTimeZone = *timeOpt.UseLocalTimeZone
+	}
+	return &codec
+}
+
+func (tc *TimeCodec) decodeType(dc DecodeContext, vr bsonrw.ValueReader, t reflect.Type) (reflect.Value, error) {
+	if t != tTime {
+		return emptyValue, ValueDecoderError{
+			Name:     "TimeDecodeValue",
+			Types:    []reflect.Type{tTime},
+			Received: reflect.Zero(t),
+		}
+	}
+
+	var timeVal time.Time
+	switch vrType := vr.Type(); vrType {
+	case bsontype.DateTime:
+		dt, err := vr.ReadDateTime()
+		if err != nil {
+			return emptyValue, err
+		}
+		timeVal = time.Unix(dt/1000, dt%1000*1000000)
+	case bsontype.String:
+		// assume strings are in the isoTimeFormat
+		timeStr, err := vr.ReadString()
+		if err != nil {
+			return emptyValue, err
+		}
+		timeVal, err = time.Parse(timeFormatString, timeStr)
+		if err != nil {
+			return emptyValue, err
+		}
+	case bsontype.Int64:
+		i64, err := vr.ReadInt64()
+		if err != nil {
+			return emptyValue, err
+		}
+		timeVal = time.Unix(i64/1000, i64%1000*1000000)
+	case bsontype.Timestamp:
+		t, _, err := vr.ReadTimestamp()
+		if err != nil {
+			return emptyValue, err
+		}
+		timeVal = time.Unix(int64(t), 0)
+	case bsontype.Null:
+		if err := vr.ReadNull(); err != nil {
+			return emptyValue, err
+		}
+	case bsontype.Undefined:
+		if err := vr.ReadUndefined(); err != nil {
+			return emptyValue, err
+		}
+	default:
+		return emptyValue, fmt.Errorf("cannot decode %v into a time.Time", vrType)
+	}
+
+	if !tc.UseLocalTimeZone {
+		timeVal = timeVal.UTC()
+	}
+	return reflect.ValueOf(timeVal), nil
+}
+
+// DecodeValue is the ValueDecoderFunc for time.Time.
+func (tc *TimeCodec) DecodeValue(dc DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error {
+	if !val.CanSet() || val.Type() != tTime {
+		return ValueDecoderError{Name: "TimeDecodeValue", Types: []reflect.Type{tTime}, Received: val}
+	}
+
+	elem, err := tc.decodeType(dc, vr, tTime)
+	if err != nil {
+		return err
+	}
+
+	val.Set(elem)
+	return nil
+}
+
+// EncodeValue is the ValueEncoderFunc for time.TIme.
+func (tc *TimeCodec) EncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error {
+	if !val.IsValid() || val.Type() != tTime {
+		return ValueEncoderError{Name: "TimeEncodeValue", Types: []reflect.Type{tTime}, Received: val}
+	}
+	tt := val.Interface().(time.Time)
+	dt := primitive.NewDateTimeFromTime(tt)
+	return vw.WriteDateTime(int64(dt))
+}
diff --git a/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/types.go b/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/types.go
new file mode 100644
index 000000000..07f4b70e6
--- /dev/null
+++ b/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/types.go
@@ -0,0 +1,57 @@
+// Copyright (C) MongoDB, Inc. 2017-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+
+package bsoncodec
+
+import (
+	"encoding/json"
+	"net/url"
+	"reflect"
+	"time"
+
+	"go.mongodb.org/mongo-driver/bson/primitive"
+	"go.mongodb.org/mongo-driver/x/bsonx/bsoncore"
+)
+
+var tBool = reflect.TypeOf(false)
+var tFloat64 = reflect.TypeOf(float64(0))
+var tInt32 = reflect.TypeOf(int32(0))
+var tInt64 = reflect.TypeOf(int64(0))
+var tString = reflect.TypeOf("")
+var tTime = reflect.TypeOf(time.Time{})
+
+var tEmpty = reflect.TypeOf((*interface{})(nil)).Elem()
+var tByteSlice = reflect.TypeOf([]byte(nil))
+var tByte = reflect.TypeOf(byte(0x00))
+var tURL = reflect.TypeOf(url.URL{})
+var tJSONNumber = reflect.TypeOf(json.Number(""))
+
+var tValueMarshaler = reflect.TypeOf((*ValueMarshaler)(nil)).Elem()
+var tValueUnmarshaler = reflect.TypeOf((*ValueUnmarshaler)(nil)).Elem()
+var tMarshaler = reflect.TypeOf((*Marshaler)(nil)).Elem()
+var tUnmarshaler = reflect.TypeOf((*Unmarshaler)(nil)).Elem()
+var tProxy = reflect.TypeOf((*Proxy)(nil)).Elem()
+
+var tBinary = reflect.TypeOf(primitive.Binary{})
+var tUndefined = reflect.TypeOf(primitive.Undefined{})
+var tOID = reflect.TypeOf(primitive.ObjectID{})
+var tDateTime = reflect.TypeOf(primitive.DateTime(0))
+var tNull = reflect.TypeOf(primitive.Null{})
+var tRegex = reflect.TypeOf(primitive.Regex{})
+var tCodeWithScope = reflect.TypeOf(primitive.CodeWithScope{})
+var tDBPointer = reflect.TypeOf(primitive.DBPointer{})
+var tJavaScript = reflect.TypeOf(primitive.JavaScript(""))
+var tSymbol = reflect.TypeOf(primitive.Symbol(""))
+var tTimestamp = reflect.TypeOf(primitive.Timestamp{})
+var tDecimal = reflect.TypeOf(primitive.Decimal128{})
+var tMinKey = reflect.TypeOf(primitive.MinKey{})
+var tMaxKey = reflect.TypeOf(primitive.MaxKey{})
+var tD = reflect.TypeOf(primitive.D{})
+var tA = reflect.TypeOf(primitive.A{})
+var tE = reflect.TypeOf(primitive.E{})
+
+var tCoreDocument = reflect.TypeOf(bsoncore.Document{})
+var tCoreArray = reflect.TypeOf(bsoncore.Array{})
diff --git a/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/uint_codec.go b/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/uint_codec.go
new file mode 100644
index 000000000..0b21ce999
--- /dev/null
+++ b/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/uint_codec.go
@@ -0,0 +1,173 @@
+// Copyright (C) MongoDB, Inc. 2017-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+
+package bsoncodec
+
+import (
+	"fmt"
+	"math"
+	"reflect"
+
+	"go.mongodb.org/mongo-driver/bson/bsonoptions"
+	"go.mongodb.org/mongo-driver/bson/bsonrw"
+	"go.mongodb.org/mongo-driver/bson/bsontype"
+)
+
+// UIntCodec is the Codec used for uint values.
+type UIntCodec struct {
+	EncodeToMinSize bool
+}
+
+var (
+	defaultUIntCodec = NewUIntCodec()
+
+	_ ValueCodec  = defaultUIntCodec
+	_ typeDecoder = defaultUIntCodec
+)
+
+// NewUIntCodec returns a UIntCodec with options opts.
+func NewUIntCodec(opts ...*bsonoptions.UIntCodecOptions) *UIntCodec {
+	uintOpt := bsonoptions.MergeUIntCodecOptions(opts...)
+
+	codec := UIntCodec{}
+	if uintOpt.EncodeToMinSize != nil {
+		codec.EncodeToMinSize = *uintOpt.EncodeToMinSize
+	}
+	return &codec
+}
+
+// EncodeValue is the ValueEncoder for uint types.
+func (uic *UIntCodec) EncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error {
+	switch val.Kind() {
+	case reflect.Uint8, reflect.Uint16:
+		return vw.WriteInt32(int32(val.Uint()))
+	case reflect.Uint, reflect.Uint32, reflect.Uint64:
+		u64 := val.Uint()
+
+		// If ec.MinSize or if encodeToMinSize is true for a non-uint64 value we should write val as an int32
+		useMinSize := ec.MinSize || (uic.EncodeToMinSize && val.Kind() != reflect.Uint64)
+
+		if u64 <= math.MaxInt32 && useMinSize {
+			return vw.WriteInt32(int32(u64))
+		}
+		if u64 > math.MaxInt64 {
+			return fmt.Errorf("%d overflows int64", u64)
+		}
+		return vw.WriteInt64(int64(u64))
+	}
+
+	return ValueEncoderError{
+		Name:     "UintEncodeValue",
+		Kinds:    []reflect.Kind{reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uint},
+		Received: val,
+	}
+}
+
+func (uic *UIntCodec) decodeType(dc DecodeContext, vr bsonrw.ValueReader, t reflect.Type) (reflect.Value, error) {
+	var i64 int64
+	var err error
+	switch vrType := vr.Type(); vrType {
+	case bsontype.Int32:
+		i32, err := vr.ReadInt32()
+		if err != nil {
+			return emptyValue, err
+		}
+		i64 = int64(i32)
+	case bsontype.Int64:
+		i64, err = vr.ReadInt64()
+		if err != nil {
+			return emptyValue, err
+		}
+	case bsontype.Double:
+		f64, err := vr.ReadDouble()
+		if err != nil {
+			return emptyValue, err
+		}
+		if !dc.Truncate && math.Floor(f64) != f64 {
+			return emptyValue, errCannotTruncate
+		}
+		if f64 > float64(math.MaxInt64) {
+			return emptyValue, fmt.Errorf("%g overflows int64", f64)
+		}
+		i64 = int64(f64)
+	case bsontype.Boolean:
+		b, err := vr.ReadBoolean()
+		if err != nil {
+			return emptyValue, err
+		}
+		if b {
+			i64 = 1
+		}
+	case bsontype.Null:
+		if err = vr.ReadNull(); err != nil {
+			return emptyValue, err
+		}
+	case bsontype.Undefined:
+		if err = vr.ReadUndefined(); err != nil {
+			return emptyValue, err
+		}
+	default:
+		return emptyValue, fmt.Errorf("cannot decode %v into an integer type", vrType)
+	}
+
+	switch t.Kind() {
+	case reflect.Uint8:
+		if i64 < 0 || i64 > math.MaxUint8 {
+			return emptyValue, fmt.Errorf("%d overflows uint8", i64)
+		}
+
+		return reflect.ValueOf(uint8(i64)), nil
+	case reflect.Uint16:
+		if i64 < 0 || i64 > math.MaxUint16 {
+			return emptyValue, fmt.Errorf("%d overflows uint16", i64)
+		}
+
+		return reflect.ValueOf(uint16(i64)), nil
+	case reflect.Uint32:
+		if i64 < 0 || i64 > math.MaxUint32 {
+			return emptyValue, fmt.Errorf("%d overflows uint32", i64)
+		}
+
+		return reflect.ValueOf(uint32(i64)), nil
+	case reflect.Uint64:
+		if i64 < 0 {
+			return emptyValue, fmt.Errorf("%d overflows uint64", i64)
+		}
+
+		return reflect.ValueOf(uint64(i64)), nil
+	case reflect.Uint:
+		if i64 < 0 || int64(uint(i64)) != i64 { // Can we fit this inside of an uint
+			return emptyValue, fmt.Errorf("%d overflows uint", i64)
+		}
+
+		return reflect.ValueOf(uint(i64)), nil
+	default:
+		return emptyValue, ValueDecoderError{
+			Name:     "UintDecodeValue",
+			Kinds:    []reflect.Kind{reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uint},
+			Received: reflect.Zero(t),
+		}
+	}
+}
+
+// DecodeValue is the ValueDecoder for uint types.
+func (uic *UIntCodec) DecodeValue(dc DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error {
+	if !val.CanSet() {
+		return ValueDecoderError{
+			Name:     "UintDecodeValue",
+			Kinds:    []reflect.Kind{reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uint},
+			Received: val,
+		}
+	}
+
+	elem, err := uic.decodeType(dc, vr, val.Type())
+	if err != nil {
+		return err
+	}
+
+	val.SetUint(elem.Uint())
+	return nil
+}
diff --git a/vendor/go.mongodb.org/mongo-driver/bson/bsonoptions/byte_slice_codec_options.go b/vendor/go.mongodb.org/mongo-driver/bson/bsonoptions/byte_slice_codec_options.go
new file mode 100644
index 000000000..b1256a4dc
--- /dev/null
+++ b/vendor/go.mongodb.org/mongo-driver/bson/bsonoptions/byte_slice_codec_options.go
@@ -0,0 +1,38 @@
+// Copyright (C) MongoDB, Inc. 2017-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+
+package bsonoptions
+
+// ByteSliceCodecOptions represents all possible options for byte slice encoding and decoding.
+type ByteSliceCodecOptions struct {
+	EncodeNilAsEmpty *bool // Specifies if a nil byte slice should encode as an empty binary instead of null. Defaults to false.
+}
+
+// ByteSliceCodec creates a new *ByteSliceCodecOptions
+func ByteSliceCodec() *ByteSliceCodecOptions {
+	return &ByteSliceCodecOptions{}
+}
+
+// SetEncodeNilAsEmpty specifies  if a nil byte slice should encode as an empty binary instead of null. Defaults to false.
+func (bs *ByteSliceCodecOptions) SetEncodeNilAsEmpty(b bool) *ByteSliceCodecOptions {
+	bs.EncodeNilAsEmpty = &b
+	return bs
+}
+
+// MergeByteSliceCodecOptions combines the given *ByteSliceCodecOptions into a single *ByteSliceCodecOptions in a last one wins fashion.
+func MergeByteSliceCodecOptions(opts ...*ByteSliceCodecOptions) *ByteSliceCodecOptions {
+	bs := ByteSliceCodec()
+	for _, opt := range opts {
+		if opt == nil {
+			continue
+		}
+		if opt.EncodeNilAsEmpty != nil {
+			bs.EncodeNilAsEmpty = opt.EncodeNilAsEmpty
+		}
+	}
+
+	return bs
+}
diff --git a/vendor/go.mongodb.org/mongo-driver/bson/bsonoptions/doc.go b/vendor/go.mongodb.org/mongo-driver/bson/bsonoptions/doc.go
new file mode 100644
index 000000000..c40973c8d
--- /dev/null
+++ b/vendor/go.mongodb.org/mongo-driver/bson/bsonoptions/doc.go
@@ -0,0 +1,8 @@
+// Copyright (C) MongoDB, Inc. 2022-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+
+// Package bsonoptions defines the optional configurations for the BSON codecs.
+package bsonoptions
diff --git a/vendor/go.mongodb.org/mongo-driver/bson/bsonoptions/empty_interface_codec_options.go b/vendor/go.mongodb.org/mongo-driver/bson/bsonoptions/empty_interface_codec_options.go
new file mode 100644
index 000000000..6caaa000e
--- /dev/null
+++ b/vendor/go.mongodb.org/mongo-driver/bson/bsonoptions/empty_interface_codec_options.go
@@ -0,0 +1,38 @@
+// Copyright (C) MongoDB, Inc. 2017-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+
+package bsonoptions
+
+// EmptyInterfaceCodecOptions represents all possible options for interface{} encoding and decoding.
+type EmptyInterfaceCodecOptions struct {
+	DecodeBinaryAsSlice *bool // Specifies if Old and Generic type binarys should default to []slice instead of primitive.Binary. Defaults to false.
+}
+
+// EmptyInterfaceCodec creates a new *EmptyInterfaceCodecOptions
+func EmptyInterfaceCodec() *EmptyInterfaceCodecOptions {
+	return &EmptyInterfaceCodecOptions{}
+}
+
+// SetDecodeBinaryAsSlice specifies if Old and Generic type binarys should default to []slice instead of primitive.Binary. Defaults to false.
+func (e *EmptyInterfaceCodecOptions) SetDecodeBinaryAsSlice(b bool) *EmptyInterfaceCodecOptions {
+	e.DecodeBinaryAsSlice = &b
+	return e
+}
+
+// MergeEmptyInterfaceCodecOptions combines the given *EmptyInterfaceCodecOptions into a single *EmptyInterfaceCodecOptions in a last one wins fashion.
+func MergeEmptyInterfaceCodecOptions(opts ...*EmptyInterfaceCodecOptions) *EmptyInterfaceCodecOptions {
+	e := EmptyInterfaceCodec()
+	for _, opt := range opts {
+		if opt == nil {
+			continue
+		}
+		if opt.DecodeBinaryAsSlice != nil {
+			e.DecodeBinaryAsSlice = opt.DecodeBinaryAsSlice
+		}
+	}
+
+	return e
+}
diff --git a/vendor/go.mongodb.org/mongo-driver/bson/bsonoptions/map_codec_options.go b/vendor/go.mongodb.org/mongo-driver/bson/bsonoptions/map_codec_options.go
new file mode 100644
index 000000000..7a6a880b8
--- /dev/null
+++ b/vendor/go.mongodb.org/mongo-driver/bson/bsonoptions/map_codec_options.go
@@ -0,0 +1,67 @@
+// Copyright (C) MongoDB, Inc. 2017-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+
+package bsonoptions
+
+// MapCodecOptions represents all possible options for map encoding and decoding.
+type MapCodecOptions struct {
+	DecodeZerosMap   *bool // Specifies if the map should be zeroed before decoding into it. Defaults to false.
+	EncodeNilAsEmpty *bool // Specifies if a nil map should encode as an empty document instead of null. Defaults to false.
+	// Specifies how keys should be handled. If false, the behavior matches encoding/json, where the encoding key type must
+	// either be a string, an integer type, or implement bsoncodec.KeyMarshaler and the decoding key type must either be a
+	// string, an integer type, or implement bsoncodec.KeyUnmarshaler. If true, keys are encoded with fmt.Sprint() and the
+	// encoding key type must be a string, an integer type, or a float. If true, the use of Stringer will override
+	// TextMarshaler/TextUnmarshaler. Defaults to false.
+	EncodeKeysWithStringer *bool
+}
+
+// MapCodec creates a new *MapCodecOptions
+func MapCodec() *MapCodecOptions {
+	return &MapCodecOptions{}
+}
+
+// SetDecodeZerosMap specifies if the map should be zeroed before decoding into it. Defaults to false.
+func (t *MapCodecOptions) SetDecodeZerosMap(b bool) *MapCodecOptions {
+	t.DecodeZerosMap = &b
+	return t
+}
+
+// SetEncodeNilAsEmpty specifies if a nil map should encode as an empty document instead of null. Defaults to false.
+func (t *MapCodecOptions) SetEncodeNilAsEmpty(b bool) *MapCodecOptions {
+	t.EncodeNilAsEmpty = &b
+	return t
+}
+
+// SetEncodeKeysWithStringer specifies how keys should be handled. If false, the behavior matches encoding/json, where the
+// encoding key type must either be a string, an integer type, or implement bsoncodec.KeyMarshaler and the decoding key
+// type must either be a string, an integer type, or implement bsoncodec.KeyUnmarshaler. If true, keys are encoded with
+// fmt.Sprint() and the encoding key type must be a string, an integer type, or a float. If true, the use of Stringer
+// will override TextMarshaler/TextUnmarshaler. Defaults to false.
+func (t *MapCodecOptions) SetEncodeKeysWithStringer(b bool) *MapCodecOptions {
+	t.EncodeKeysWithStringer = &b
+	return t
+}
+
+// MergeMapCodecOptions combines the given *MapCodecOptions into a single *MapCodecOptions in a last one wins fashion.
+func MergeMapCodecOptions(opts ...*MapCodecOptions) *MapCodecOptions {
+	s := MapCodec()
+	for _, opt := range opts {
+		if opt == nil {
+			continue
+		}
+		if opt.DecodeZerosMap != nil {
+			s.DecodeZerosMap = opt.DecodeZerosMap
+		}
+		if opt.EncodeNilAsEmpty != nil {
+			s.EncodeNilAsEmpty = opt.EncodeNilAsEmpty
+		}
+		if opt.EncodeKeysWithStringer != nil {
+			s.EncodeKeysWithStringer = opt.EncodeKeysWithStringer
+		}
+	}
+
+	return s
+}
diff --git a/vendor/go.mongodb.org/mongo-driver/bson/bsonoptions/slice_codec_options.go b/vendor/go.mongodb.org/mongo-driver/bson/bsonoptions/slice_codec_options.go
new file mode 100644
index 000000000..ef965e4b4
--- /dev/null
+++ b/vendor/go.mongodb.org/mongo-driver/bson/bsonoptions/slice_codec_options.go
@@ -0,0 +1,38 @@
+// Copyright (C) MongoDB, Inc. 2017-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+
+package bsonoptions
+
+// SliceCodecOptions represents all possible options for slice encoding and decoding.
+type SliceCodecOptions struct {
+	EncodeNilAsEmpty *bool // Specifies if a nil slice should encode as an empty array instead of null. Defaults to false.
+}
+
+// SliceCodec creates a new *SliceCodecOptions
+func SliceCodec() *SliceCodecOptions {
+	return &SliceCodecOptions{}
+}
+
+// SetEncodeNilAsEmpty specifies  if a nil slice should encode as an empty array instead of null. Defaults to false.
+func (s *SliceCodecOptions) SetEncodeNilAsEmpty(b bool) *SliceCodecOptions {
+	s.EncodeNilAsEmpty = &b
+	return s
+}
+
+// MergeSliceCodecOptions combines the given *SliceCodecOptions into a single *SliceCodecOptions in a last one wins fashion.
+func MergeSliceCodecOptions(opts ...*SliceCodecOptions) *SliceCodecOptions {
+	s := SliceCodec()
+	for _, opt := range opts {
+		if opt == nil {
+			continue
+		}
+		if opt.EncodeNilAsEmpty != nil {
+			s.EncodeNilAsEmpty = opt.EncodeNilAsEmpty
+		}
+	}
+
+	return s
+}
diff --git a/vendor/go.mongodb.org/mongo-driver/bson/bsonoptions/string_codec_options.go b/vendor/go.mongodb.org/mongo-driver/bson/bsonoptions/string_codec_options.go
new file mode 100644
index 000000000..65964f420
--- /dev/null
+++ b/vendor/go.mongodb.org/mongo-driver/bson/bsonoptions/string_codec_options.go
@@ -0,0 +1,41 @@
+// Copyright (C) MongoDB, Inc. 2017-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+
+package bsonoptions
+
+var defaultDecodeOIDAsHex = true
+
+// StringCodecOptions represents all possible options for string encoding and decoding.
+type StringCodecOptions struct {
+	DecodeObjectIDAsHex *bool // Specifies if we should decode ObjectID as the hex value. Defaults to true.
+}
+
+// StringCodec creates a new *StringCodecOptions
+func StringCodec() *StringCodecOptions {
+	return &StringCodecOptions{}
+}
+
+// SetDecodeObjectIDAsHex specifies if object IDs should be decoded as their hex representation. If false, a string made
+// from the raw object ID bytes will be used. Defaults to true.
+func (t *StringCodecOptions) SetDecodeObjectIDAsHex(b bool) *StringCodecOptions {
+	t.DecodeObjectIDAsHex = &b
+	return t
+}
+
+// MergeStringCodecOptions combines the given *StringCodecOptions into a single *StringCodecOptions in a last one wins fashion.
+func MergeStringCodecOptions(opts ...*StringCodecOptions) *StringCodecOptions {
+	s := &StringCodecOptions{&defaultDecodeOIDAsHex}
+	for _, opt := range opts {
+		if opt == nil {
+			continue
+		}
+		if opt.DecodeObjectIDAsHex != nil {
+			s.DecodeObjectIDAsHex = opt.DecodeObjectIDAsHex
+		}
+	}
+
+	return s
+}
diff --git a/vendor/go.mongodb.org/mongo-driver/bson/bsonoptions/struct_codec_options.go b/vendor/go.mongodb.org/mongo-driver/bson/bsonoptions/struct_codec_options.go
new file mode 100644
index 000000000..78d1dd866
--- /dev/null
+++ b/vendor/go.mongodb.org/mongo-driver/bson/bsonoptions/struct_codec_options.go
@@ -0,0 +1,87 @@
+// Copyright (C) MongoDB, Inc. 2017-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+
+package bsonoptions
+
+var defaultOverwriteDuplicatedInlinedFields = true
+
+// StructCodecOptions represents all possible options for struct encoding and decoding.
+type StructCodecOptions struct {
+	DecodeZeroStruct                 *bool // Specifies if structs should be zeroed before decoding into them. Defaults to false.
+	DecodeDeepZeroInline             *bool // Specifies if structs should be recursively zeroed when a inline value is decoded. Defaults to false.
+	EncodeOmitDefaultStruct          *bool // Specifies if default structs should be considered empty by omitempty. Defaults to false.
+	AllowUnexportedFields            *bool // Specifies if unexported fields should be marshaled/unmarshaled. Defaults to false.
+	OverwriteDuplicatedInlinedFields *bool // Specifies if fields in inlined structs can be overwritten by higher level struct fields with the same key. Defaults to true.
+}
+
+// StructCodec creates a new *StructCodecOptions
+func StructCodec() *StructCodecOptions {
+	return &StructCodecOptions{}
+}
+
+// SetDecodeZeroStruct specifies if structs should be zeroed before decoding into them. Defaults to false.
+func (t *StructCodecOptions) SetDecodeZeroStruct(b bool) *StructCodecOptions {
+	t.DecodeZeroStruct = &b
+	return t
+}
+
+// SetDecodeDeepZeroInline specifies if structs should be zeroed before decoding into them. Defaults to false.
+func (t *StructCodecOptions) SetDecodeDeepZeroInline(b bool) *StructCodecOptions {
+	t.DecodeDeepZeroInline = &b
+	return t
+}
+
+// SetEncodeOmitDefaultStruct specifies if default structs should be considered empty by omitempty. A default struct has all
+// its values set to their default value. Defaults to false.
+func (t *StructCodecOptions) SetEncodeOmitDefaultStruct(b bool) *StructCodecOptions {
+	t.EncodeOmitDefaultStruct = &b
+	return t
+}
+
+// SetOverwriteDuplicatedInlinedFields specifies if inlined struct fields can be overwritten by higher level struct fields with the
+// same bson key. When true and decoding, values will be written to the outermost struct with a matching key, and when
+// encoding, keys will have the value of the top-most matching field. When false, decoding and encoding will error if
+// there are duplicate keys after the struct is inlined. Defaults to true.
+func (t *StructCodecOptions) SetOverwriteDuplicatedInlinedFields(b bool) *StructCodecOptions {
+	t.OverwriteDuplicatedInlinedFields = &b
+	return t
+}
+
+// SetAllowUnexportedFields specifies if unexported fields should be marshaled/unmarshaled. Defaults to false.
+func (t *StructCodecOptions) SetAllowUnexportedFields(b bool) *StructCodecOptions {
+	t.AllowUnexportedFields = &b
+	return t
+}
+
+// MergeStructCodecOptions combines the given *StructCodecOptions into a single *StructCodecOptions in a last one wins fashion.
+func MergeStructCodecOptions(opts ...*StructCodecOptions) *StructCodecOptions {
+	s := &StructCodecOptions{
+		OverwriteDuplicatedInlinedFields: &defaultOverwriteDuplicatedInlinedFields,
+	}
+	for _, opt := range opts {
+		if opt == nil {
+			continue
+		}
+
+		if opt.DecodeZeroStruct != nil {
+			s.DecodeZeroStruct = opt.DecodeZeroStruct
+		}
+		if opt.DecodeDeepZeroInline != nil {
+			s.DecodeDeepZeroInline = opt.DecodeDeepZeroInline
+		}
+		if opt.EncodeOmitDefaultStruct != nil {
+			s.EncodeOmitDefaultStruct = opt.EncodeOmitDefaultStruct
+		}
+		if opt.OverwriteDuplicatedInlinedFields != nil {
+			s.OverwriteDuplicatedInlinedFields = opt.OverwriteDuplicatedInlinedFields
+		}
+		if opt.AllowUnexportedFields != nil {
+			s.AllowUnexportedFields = opt.AllowUnexportedFields
+		}
+	}
+
+	return s
+}
diff --git a/vendor/go.mongodb.org/mongo-driver/bson/bsonoptions/time_codec_options.go b/vendor/go.mongodb.org/mongo-driver/bson/bsonoptions/time_codec_options.go
new file mode 100644
index 000000000..13496d121
--- /dev/null
+++ b/vendor/go.mongodb.org/mongo-driver/bson/bsonoptions/time_codec_options.go
@@ -0,0 +1,38 @@
+// Copyright (C) MongoDB, Inc. 2017-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+
+package bsonoptions
+
+// TimeCodecOptions represents all possible options for time.Time encoding and decoding.
+type TimeCodecOptions struct {
+	UseLocalTimeZone *bool // Specifies if we should decode into the local time zone. Defaults to false.
+}
+
+// TimeCodec creates a new *TimeCodecOptions
+func TimeCodec() *TimeCodecOptions {
+	return &TimeCodecOptions{}
+}
+
+// SetUseLocalTimeZone specifies if we should decode into the local time zone. Defaults to false.
+func (t *TimeCodecOptions) SetUseLocalTimeZone(b bool) *TimeCodecOptions {
+	t.UseLocalTimeZone = &b
+	return t
+}
+
+// MergeTimeCodecOptions combines the given *TimeCodecOptions into a single *TimeCodecOptions in a last one wins fashion.
+func MergeTimeCodecOptions(opts ...*TimeCodecOptions) *TimeCodecOptions {
+	t := TimeCodec()
+	for _, opt := range opts {
+		if opt == nil {
+			continue
+		}
+		if opt.UseLocalTimeZone != nil {
+			t.UseLocalTimeZone = opt.UseLocalTimeZone
+		}
+	}
+
+	return t
+}
diff --git a/vendor/go.mongodb.org/mongo-driver/bson/bsonoptions/uint_codec_options.go b/vendor/go.mongodb.org/mongo-driver/bson/bsonoptions/uint_codec_options.go
new file mode 100644
index 000000000..e08b7f192
--- /dev/null
+++ b/vendor/go.mongodb.org/mongo-driver/bson/bsonoptions/uint_codec_options.go
@@ -0,0 +1,38 @@
+// Copyright (C) MongoDB, Inc. 2017-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+
+package bsonoptions
+
+// UIntCodecOptions represents all possible options for uint encoding and decoding.
+type UIntCodecOptions struct {
+	EncodeToMinSize *bool // Specifies if all uints except uint64 should be decoded to minimum size bsontype. Defaults to false.
+}
+
+// UIntCodec creates a new *UIntCodecOptions
+func UIntCodec() *UIntCodecOptions {
+	return &UIntCodecOptions{}
+}
+
+// SetEncodeToMinSize specifies if all uints except uint64 should be decoded to minimum size bsontype. Defaults to false.
+func (u *UIntCodecOptions) SetEncodeToMinSize(b bool) *UIntCodecOptions {
+	u.EncodeToMinSize = &b
+	return u
+}
+
+// MergeUIntCodecOptions combines the given *UIntCodecOptions into a single *UIntCodecOptions in a last one wins fashion.
+func MergeUIntCodecOptions(opts ...*UIntCodecOptions) *UIntCodecOptions {
+	u := UIntCodec()
+	for _, opt := range opts {
+		if opt == nil {
+			continue
+		}
+		if opt.EncodeToMinSize != nil {
+			u.EncodeToMinSize = opt.EncodeToMinSize
+		}
+	}
+
+	return u
+}
diff --git a/vendor/go.mongodb.org/mongo-driver/bson/bsonrw/copier.go b/vendor/go.mongodb.org/mongo-driver/bson/bsonrw/copier.go
new file mode 100644
index 000000000..5cdf6460b
--- /dev/null
+++ b/vendor/go.mongodb.org/mongo-driver/bson/bsonrw/copier.go
@@ -0,0 +1,445 @@
+// Copyright (C) MongoDB, Inc. 2017-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+
+package bsonrw
+
+import (
+	"fmt"
+	"io"
+
+	"go.mongodb.org/mongo-driver/bson/bsontype"
+	"go.mongodb.org/mongo-driver/bson/primitive"
+	"go.mongodb.org/mongo-driver/x/bsonx/bsoncore"
+)
+
+// Copier is a type that allows copying between ValueReaders, ValueWriters, and
+// []byte values.
+type Copier struct{}
+
+// NewCopier creates a new copier with the given registry. If a nil registry is provided
+// a default registry is used.
+func NewCopier() Copier {
+	return Copier{}
+}
+
+// CopyDocument handles copying a document from src to dst.
+func CopyDocument(dst ValueWriter, src ValueReader) error {
+	return Copier{}.CopyDocument(dst, src)
+}
+
+// CopyDocument handles copying one document from the src to the dst.
+func (c Copier) CopyDocument(dst ValueWriter, src ValueReader) error {
+	dr, err := src.ReadDocument()
+	if err != nil {
+		return err
+	}
+
+	dw, err := dst.WriteDocument()
+	if err != nil {
+		return err
+	}
+
+	return c.copyDocumentCore(dw, dr)
+}
+
+// CopyArrayFromBytes copies the values from a BSON array represented as a
+// []byte to a ValueWriter.
+func (c Copier) CopyArrayFromBytes(dst ValueWriter, src []byte) error {
+	aw, err := dst.WriteArray()
+	if err != nil {
+		return err
+	}
+
+	err = c.CopyBytesToArrayWriter(aw, src)
+	if err != nil {
+		return err
+	}
+
+	return aw.WriteArrayEnd()
+}
+
+// CopyDocumentFromBytes copies the values from a BSON document represented as a
+// []byte to a ValueWriter.
+func (c Copier) CopyDocumentFromBytes(dst ValueWriter, src []byte) error {
+	dw, err := dst.WriteDocument()
+	if err != nil {
+		return err
+	}
+
+	err = c.CopyBytesToDocumentWriter(dw, src)
+	if err != nil {
+		return err
+	}
+
+	return dw.WriteDocumentEnd()
+}
+
+type writeElementFn func(key string) (ValueWriter, error)
+
+// CopyBytesToArrayWriter copies the values from a BSON Array represented as a []byte to an
+// ArrayWriter.
+func (c Copier) CopyBytesToArrayWriter(dst ArrayWriter, src []byte) error {
+	wef := func(_ string) (ValueWriter, error) {
+		return dst.WriteArrayElement()
+	}
+
+	return c.copyBytesToValueWriter(src, wef)
+}
+
+// CopyBytesToDocumentWriter copies the values from a BSON document represented as a []byte to a
+// DocumentWriter.
+func (c Copier) CopyBytesToDocumentWriter(dst DocumentWriter, src []byte) error {
+	wef := func(key string) (ValueWriter, error) {
+		return dst.WriteDocumentElement(key)
+	}
+
+	return c.copyBytesToValueWriter(src, wef)
+}
+
+func (c Copier) copyBytesToValueWriter(src []byte, wef writeElementFn) error {
+	// TODO(skriptble): Create errors types here. Anything thats a tag should be a property.
+	length, rem, ok := bsoncore.ReadLength(src)
+	if !ok {
+		return fmt.Errorf("couldn't read length from src, not enough bytes. length=%d", len(src))
+	}
+	if len(src) < int(length) {
+		return fmt.Errorf("length read exceeds number of bytes available. length=%d bytes=%d", len(src), length)
+	}
+	rem = rem[:length-4]
+
+	var t bsontype.Type
+	var key string
+	var val bsoncore.Value
+	for {
+		t, rem, ok = bsoncore.ReadType(rem)
+		if !ok {
+			return io.EOF
+		}
+		if t == bsontype.Type(0) {
+			if len(rem) != 0 {
+				return fmt.Errorf("document end byte found before end of document. remaining bytes=%v", rem)
+			}
+			break
+		}
+
+		key, rem, ok = bsoncore.ReadKey(rem)
+		if !ok {
+			return fmt.Errorf("invalid key found. remaining bytes=%v", rem)
+		}
+
+		// write as either array element or document element using writeElementFn
+		vw, err := wef(key)
+		if err != nil {
+			return err
+		}
+
+		val, rem, ok = bsoncore.ReadValue(rem, t)
+		if !ok {
+			return fmt.Errorf("not enough bytes available to read type. bytes=%d type=%s", len(rem), t)
+		}
+		err = c.CopyValueFromBytes(vw, t, val.Data)
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+// CopyDocumentToBytes copies an entire document from the ValueReader and
+// returns it as bytes.
+func (c Copier) CopyDocumentToBytes(src ValueReader) ([]byte, error) {
+	return c.AppendDocumentBytes(nil, src)
+}
+
+// AppendDocumentBytes functions the same as CopyDocumentToBytes, but will
+// append the result to dst.
+func (c Copier) AppendDocumentBytes(dst []byte, src ValueReader) ([]byte, error) {
+	if br, ok := src.(BytesReader); ok {
+		_, dst, err := br.ReadValueBytes(dst)
+		return dst, err
+	}
+
+	vw := vwPool.Get().(*valueWriter)
+	defer vwPool.Put(vw)
+
+	vw.reset(dst)
+
+	err := c.CopyDocument(vw, src)
+	dst = vw.buf
+	return dst, err
+}
+
+// AppendArrayBytes copies an array from the ValueReader to dst.
+func (c Copier) AppendArrayBytes(dst []byte, src ValueReader) ([]byte, error) {
+	if br, ok := src.(BytesReader); ok {
+		_, dst, err := br.ReadValueBytes(dst)
+		return dst, err
+	}
+
+	vw := vwPool.Get().(*valueWriter)
+	defer vwPool.Put(vw)
+
+	vw.reset(dst)
+
+	err := c.copyArray(vw, src)
+	dst = vw.buf
+	return dst, err
+}
+
+// CopyValueFromBytes will write the value represtend by t and src to dst.
+func (c Copier) CopyValueFromBytes(dst ValueWriter, t bsontype.Type, src []byte) error {
+	if wvb, ok := dst.(BytesWriter); ok {
+		return wvb.WriteValueBytes(t, src)
+	}
+
+	vr := vrPool.Get().(*valueReader)
+	defer vrPool.Put(vr)
+
+	vr.reset(src)
+	vr.pushElement(t)
+
+	return c.CopyValue(dst, vr)
+}
+
+// CopyValueToBytes copies a value from src and returns it as a bsontype.Type and a
+// []byte.
+func (c Copier) CopyValueToBytes(src ValueReader) (bsontype.Type, []byte, error) {
+	return c.AppendValueBytes(nil, src)
+}
+
+// AppendValueBytes functions the same as CopyValueToBytes, but will append the
+// result to dst.
+func (c Copier) AppendValueBytes(dst []byte, src ValueReader) (bsontype.Type, []byte, error) {
+	if br, ok := src.(BytesReader); ok {
+		return br.ReadValueBytes(dst)
+	}
+
+	vw := vwPool.Get().(*valueWriter)
+	defer vwPool.Put(vw)
+
+	start := len(dst)
+
+	vw.reset(dst)
+	vw.push(mElement)
+
+	err := c.CopyValue(vw, src)
+	if err != nil {
+		return 0, dst, err
+	}
+
+	return bsontype.Type(vw.buf[start]), vw.buf[start+2:], nil
+}
+
+// CopyValue will copy a single value from src to dst.
+func (c Copier) CopyValue(dst ValueWriter, src ValueReader) error {
+	var err error
+	switch src.Type() {
+	case bsontype.Double:
+		var f64 float64
+		f64, err = src.ReadDouble()
+		if err != nil {
+			break
+		}
+		err = dst.WriteDouble(f64)
+	case bsontype.String:
+		var str string
+		str, err = src.ReadString()
+		if err != nil {
+			return err
+		}
+		err = dst.WriteString(str)
+	case bsontype.EmbeddedDocument:
+		err = c.CopyDocument(dst, src)
+	case bsontype.Array:
+		err = c.copyArray(dst, src)
+	case bsontype.Binary:
+		var data []byte
+		var subtype byte
+		data, subtype, err = src.ReadBinary()
+		if err != nil {
+			break
+		}
+		err = dst.WriteBinaryWithSubtype(data, subtype)
+	case bsontype.Undefined:
+		err = src.ReadUndefined()
+		if err != nil {
+			break
+		}
+		err = dst.WriteUndefined()
+	case bsontype.ObjectID:
+		var oid primitive.ObjectID
+		oid, err = src.ReadObjectID()
+		if err != nil {
+			break
+		}
+		err = dst.WriteObjectID(oid)
+	case bsontype.Boolean:
+		var b bool
+		b, err = src.ReadBoolean()
+		if err != nil {
+			break
+		}
+		err = dst.WriteBoolean(b)
+	case bsontype.DateTime:
+		var dt int64
+		dt, err = src.ReadDateTime()
+		if err != nil {
+			break
+		}
+		err = dst.WriteDateTime(dt)
+	case bsontype.Null:
+		err = src.ReadNull()
+		if err != nil {
+			break
+		}
+		err = dst.WriteNull()
+	case bsontype.Regex:
+		var pattern, options string
+		pattern, options, err = src.ReadRegex()
+		if err != nil {
+			break
+		}
+		err = dst.WriteRegex(pattern, options)
+	case bsontype.DBPointer:
+		var ns string
+		var pointer primitive.ObjectID
+		ns, pointer, err = src.ReadDBPointer()
+		if err != nil {
+			break
+		}
+		err = dst.WriteDBPointer(ns, pointer)
+	case bsontype.JavaScript:
+		var js string
+		js, err = src.ReadJavascript()
+		if err != nil {
+			break
+		}
+		err = dst.WriteJavascript(js)
+	case bsontype.Symbol:
+		var symbol string
+		symbol, err = src.ReadSymbol()
+		if err != nil {
+			break
+		}
+		err = dst.WriteSymbol(symbol)
+	case bsontype.CodeWithScope:
+		var code string
+		var srcScope DocumentReader
+		code, srcScope, err = src.ReadCodeWithScope()
+		if err != nil {
+			break
+		}
+
+		var dstScope DocumentWriter
+		dstScope, err = dst.WriteCodeWithScope(code)
+		if err != nil {
+			break
+		}
+		err = c.copyDocumentCore(dstScope, srcScope)
+	case bsontype.Int32:
+		var i32 int32
+		i32, err = src.ReadInt32()
+		if err != nil {
+			break
+		}
+		err = dst.WriteInt32(i32)
+	case bsontype.Timestamp:
+		var t, i uint32
+		t, i, err = src.ReadTimestamp()
+		if err != nil {
+			break
+		}
+		err = dst.WriteTimestamp(t, i)
+	case bsontype.Int64:
+		var i64 int64
+		i64, err = src.ReadInt64()
+		if err != nil {
+			break
+		}
+		err = dst.WriteInt64(i64)
+	case bsontype.Decimal128:
+		var d128 primitive.Decimal128
+		d128, err = src.ReadDecimal128()
+		if err != nil {
+			break
+		}
+		err = dst.WriteDecimal128(d128)
+	case bsontype.MinKey:
+		err = src.ReadMinKey()
+		if err != nil {
+			break
+		}
+		err = dst.WriteMinKey()
+	case bsontype.MaxKey:
+		err = src.ReadMaxKey()
+		if err != nil {
+			break
+		}
+		err = dst.WriteMaxKey()
+	default:
+		err = fmt.Errorf("Cannot copy unknown BSON type %s", src.Type())
+	}
+
+	return err
+}
+
+func (c Copier) copyArray(dst ValueWriter, src ValueReader) error {
+	ar, err := src.ReadArray()
+	if err != nil {
+		return err
+	}
+
+	aw, err := dst.WriteArray()
+	if err != nil {
+		return err
+	}
+
+	for {
+		vr, err := ar.ReadValue()
+		if err == ErrEOA {
+			break
+		}
+		if err != nil {
+			return err
+		}
+
+		vw, err := aw.WriteArrayElement()
+		if err != nil {
+			return err
+		}
+
+		err = c.CopyValue(vw, vr)
+		if err != nil {
+			return err
+		}
+	}
+
+	return aw.WriteArrayEnd()
+}
+
+func (c Copier) copyDocumentCore(dw DocumentWriter, dr DocumentReader) error {
+	for {
+		key, vr, err := dr.ReadElement()
+		if err == ErrEOD {
+			break
+		}
+		if err != nil {
+			return err
+		}
+
+		vw, err := dw.WriteDocumentElement(key)
+		if err != nil {
+			return err
+		}
+
+		err = c.CopyValue(vw, vr)
+		if err != nil {
+			return err
+		}
+	}
+
+	return dw.WriteDocumentEnd()
+}
diff --git a/vendor/go.mongodb.org/mongo-driver/bson/bsonrw/doc.go b/vendor/go.mongodb.org/mongo-driver/bson/bsonrw/doc.go
new file mode 100644
index 000000000..750b0d2af
--- /dev/null
+++ b/vendor/go.mongodb.org/mongo-driver/bson/bsonrw/doc.go
@@ -0,0 +1,9 @@
+// Copyright (C) MongoDB, Inc. 2017-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+
+// Package bsonrw contains abstractions for reading and writing
+// BSON and BSON like types from sources.
+package bsonrw // import "go.mongodb.org/mongo-driver/bson/bsonrw"
diff --git a/vendor/go.mongodb.org/mongo-driver/bson/bsonrw/extjson_parser.go b/vendor/go.mongodb.org/mongo-driver/bson/bsonrw/extjson_parser.go
new file mode 100644
index 000000000..54c76bf74
--- /dev/null
+++ b/vendor/go.mongodb.org/mongo-driver/bson/bsonrw/extjson_parser.go
@@ -0,0 +1,806 @@
+// Copyright (C) MongoDB, Inc. 2017-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+
+package bsonrw
+
+import (
+	"encoding/base64"
+	"encoding/hex"
+	"errors"
+	"fmt"
+	"io"
+	"strings"
+
+	"go.mongodb.org/mongo-driver/bson/bsontype"
+)
+
+const maxNestingDepth = 200
+
+// ErrInvalidJSON indicates the JSON input is invalid
+var ErrInvalidJSON = errors.New("invalid JSON input")
+
+type jsonParseState byte
+
+const (
+	jpsStartState jsonParseState = iota
+	jpsSawBeginObject
+	jpsSawEndObject
+	jpsSawBeginArray
+	jpsSawEndArray
+	jpsSawColon
+	jpsSawComma
+	jpsSawKey
+	jpsSawValue
+	jpsDoneState
+	jpsInvalidState
+)
+
+type jsonParseMode byte
+
+const (
+	jpmInvalidMode jsonParseMode = iota
+	jpmObjectMode
+	jpmArrayMode
+)
+
+type extJSONValue struct {
+	t bsontype.Type
+	v interface{}
+}
+
+type extJSONObject struct {
+	keys   []string
+	values []*extJSONValue
+}
+
+type extJSONParser struct {
+	js *jsonScanner
+	s  jsonParseState
+	m  []jsonParseMode
+	k  string
+	v  *extJSONValue
+
+	err       error
+	canonical bool
+	depth     int
+	maxDepth  int
+
+	emptyObject bool
+	relaxedUUID bool
+}
+
+// newExtJSONParser returns a new extended JSON parser, ready to to begin
+// parsing from the first character of the argued json input. It will not
+// perform any read-ahead and will therefore not report any errors about
+// malformed JSON at this point.
+func newExtJSONParser(r io.Reader, canonical bool) *extJSONParser {
+	return &extJSONParser{
+		js:        &jsonScanner{r: r},
+		s:         jpsStartState,
+		m:         []jsonParseMode{},
+		canonical: canonical,
+		maxDepth:  maxNestingDepth,
+	}
+}
+
+// peekType examines the next value and returns its BSON Type
+func (ejp *extJSONParser) peekType() (bsontype.Type, error) {
+	var t bsontype.Type
+	var err error
+	initialState := ejp.s
+
+	ejp.advanceState()
+	switch ejp.s {
+	case jpsSawValue:
+		t = ejp.v.t
+	case jpsSawBeginArray:
+		t = bsontype.Array
+	case jpsInvalidState:
+		err = ejp.err
+	case jpsSawComma:
+		// in array mode, seeing a comma means we need to progress again to actually observe a type
+		if ejp.peekMode() == jpmArrayMode {
+			return ejp.peekType()
+		}
+	case jpsSawEndArray:
+		// this would only be a valid state if we were in array mode, so return end-of-array error
+		err = ErrEOA
+	case jpsSawBeginObject:
+		// peek key to determine type
+		ejp.advanceState()
+		switch ejp.s {
+		case jpsSawEndObject: // empty embedded document
+			t = bsontype.EmbeddedDocument
+			ejp.emptyObject = true
+		case jpsInvalidState:
+			err = ejp.err
+		case jpsSawKey:
+			if initialState == jpsStartState {
+				return bsontype.EmbeddedDocument, nil
+			}
+			t = wrapperKeyBSONType(ejp.k)
+
+			// if $uuid is encountered, parse as binary subtype 4
+			if ejp.k == "$uuid" {
+				ejp.relaxedUUID = true
+				t = bsontype.Binary
+			}
+
+			switch t {
+			case bsontype.JavaScript:
+				// just saw $code, need to check for $scope at same level
+				_, err = ejp.readValue(bsontype.JavaScript)
+				if err != nil {
+					break
+				}
+
+				switch ejp.s {
+				case jpsSawEndObject: // type is TypeJavaScript
+				case jpsSawComma:
+					ejp.advanceState()
+
+					if ejp.s == jpsSawKey && ejp.k == "$scope" {
+						t = bsontype.CodeWithScope
+					} else {
+						err = fmt.Errorf("invalid extended JSON: unexpected key %s in CodeWithScope object", ejp.k)
+					}
+				case jpsInvalidState:
+					err = ejp.err
+				default:
+					err = ErrInvalidJSON
+				}
+			case bsontype.CodeWithScope:
+				err = errors.New("invalid extended JSON: code with $scope must contain $code before $scope")
+			}
+		}
+	}
+
+	return t, err
+}
+
+// readKey parses the next key and its type and returns them
+func (ejp *extJSONParser) readKey() (string, bsontype.Type, error) {
+	if ejp.emptyObject {
+		ejp.emptyObject = false
+		return "", 0, ErrEOD
+	}
+
+	// advance to key (or return with error)
+	switch ejp.s {
+	case jpsStartState:
+		ejp.advanceState()
+		if ejp.s == jpsSawBeginObject {
+			ejp.advanceState()
+		}
+	case jpsSawBeginObject:
+		ejp.advanceState()
+	case jpsSawValue, jpsSawEndObject, jpsSawEndArray:
+		ejp.advanceState()
+		switch ejp.s {
+		case jpsSawBeginObject, jpsSawComma:
+			ejp.advanceState()
+		case jpsSawEndObject:
+			return "", 0, ErrEOD
+		case jpsDoneState:
+			return "", 0, io.EOF
+		case jpsInvalidState:
+			return "", 0, ejp.err
+		default:
+			return "", 0, ErrInvalidJSON
+		}
+	case jpsSawKey: // do nothing (key was peeked before)
+	default:
+		return "", 0, invalidRequestError("key")
+	}
+
+	// read key
+	var key string
+
+	switch ejp.s {
+	case jpsSawKey:
+		key = ejp.k
+	case jpsSawEndObject:
+		return "", 0, ErrEOD
+	case jpsInvalidState:
+		return "", 0, ejp.err
+	default:
+		return "", 0, invalidRequestError("key")
+	}
+
+	// check for colon
+	ejp.advanceState()
+	if err := ensureColon(ejp.s, key); err != nil {
+		return "", 0, err
+	}
+
+	// peek at the value to determine type
+	t, err := ejp.peekType()
+	if err != nil {
+		return "", 0, err
+	}
+
+	return key, t, nil
+}
+
+// readValue returns the value corresponding to the Type returned by peekType
+func (ejp *extJSONParser) readValue(t bsontype.Type) (*extJSONValue, error) {
+	if ejp.s == jpsInvalidState {
+		return nil, ejp.err
+	}
+
+	var v *extJSONValue
+
+	switch t {
+	case bsontype.Null, bsontype.Boolean, bsontype.String:
+		if ejp.s != jpsSawValue {
+			return nil, invalidRequestError(t.String())
+		}
+		v = ejp.v
+	case bsontype.Int32, bsontype.Int64, bsontype.Double:
+		// relaxed version allows these to be literal number values
+		if ejp.s == jpsSawValue {
+			v = ejp.v
+			break
+		}
+		fallthrough
+	case bsontype.Decimal128, bsontype.Symbol, bsontype.ObjectID, bsontype.MinKey, bsontype.MaxKey, bsontype.Undefined:
+		switch ejp.s {
+		case jpsSawKey:
+			// read colon
+			ejp.advanceState()
+			if err := ensureColon(ejp.s, ejp.k); err != nil {
+				return nil, err
+			}
+
+			// read value
+			ejp.advanceState()
+			if ejp.s != jpsSawValue || !ejp.ensureExtValueType(t) {
+				return nil, invalidJSONErrorForType("value", t)
+			}
+
+			v = ejp.v
+
+			// read end object
+			ejp.advanceState()
+			if ejp.s != jpsSawEndObject {
+				return nil, invalidJSONErrorForType("} after value", t)
+			}
+		default:
+			return nil, invalidRequestError(t.String())
+		}
+	case bsontype.Binary, bsontype.Regex, bsontype.Timestamp, bsontype.DBPointer:
+		if ejp.s != jpsSawKey {
+			return nil, invalidRequestError(t.String())
+		}
+		// read colon
+		ejp.advanceState()
+		if err := ensureColon(ejp.s, ejp.k); err != nil {
+			return nil, err
+		}
+
+		ejp.advanceState()
+		if t == bsontype.Binary && ejp.s == jpsSawValue {
+			// convert relaxed $uuid format
+			if ejp.relaxedUUID {
+				defer func() { ejp.relaxedUUID = false }()
+				uuid, err := ejp.v.parseSymbol()
+				if err != nil {
+					return nil, err
+				}
+
+				// RFC 4122 defines the length of a UUID as 36 and the hyphens in a UUID as appearing
+				// in the 8th, 13th, 18th, and 23rd characters.
+				//
+				// See https://tools.ietf.org/html/rfc4122#section-3
+				valid := len(uuid) == 36 &&
+					string(uuid[8]) == "-" &&
+					string(uuid[13]) == "-" &&
+					string(uuid[18]) == "-" &&
+					string(uuid[23]) == "-"
+				if !valid {
+					return nil, fmt.Errorf("$uuid value does not follow RFC 4122 format regarding length and hyphens")
+				}
+
+				// remove hyphens
+				uuidNoHyphens := strings.Replace(uuid, "-", "", -1)
+				if len(uuidNoHyphens) != 32 {
+					return nil, fmt.Errorf("$uuid value does not follow RFC 4122 format regarding length and hyphens")
+				}
+
+				// convert hex to bytes
+				bytes, err := hex.DecodeString(uuidNoHyphens)
+				if err != nil {
+					return nil, fmt.Errorf("$uuid value does not follow RFC 4122 format regarding hex bytes: %v", err)
+				}
+
+				ejp.advanceState()
+				if ejp.s != jpsSawEndObject {
+					return nil, invalidJSONErrorForType("$uuid and value and then }", bsontype.Binary)
+				}
+
+				base64 := &extJSONValue{
+					t: bsontype.String,
+					v: base64.StdEncoding.EncodeToString(bytes),
+				}
+				subType := &extJSONValue{
+					t: bsontype.String,
+					v: "04",
+				}
+
+				v = &extJSONValue{
+					t: bsontype.EmbeddedDocument,
+					v: &extJSONObject{
+						keys:   []string{"base64", "subType"},
+						values: []*extJSONValue{base64, subType},
+					},
+				}
+
+				break
+			}
+
+			// convert legacy $binary format
+			base64 := ejp.v
+
+			ejp.advanceState()
+			if ejp.s != jpsSawComma {
+				return nil, invalidJSONErrorForType(",", bsontype.Binary)
+			}
+
+			ejp.advanceState()
+			key, t, err := ejp.readKey()
+			if err != nil {
+				return nil, err
+			}
+			if key != "$type" {
+				return nil, invalidJSONErrorForType("$type", bsontype.Binary)
+			}
+
+			subType, err := ejp.readValue(t)
+			if err != nil {
+				return nil, err
+			}
+
+			ejp.advanceState()
+			if ejp.s != jpsSawEndObject {
+				return nil, invalidJSONErrorForType("2 key-value pairs and then }", bsontype.Binary)
+			}
+
+			v = &extJSONValue{
+				t: bsontype.EmbeddedDocument,
+				v: &extJSONObject{
+					keys:   []string{"base64", "subType"},
+					values: []*extJSONValue{base64, subType},
+				},
+			}
+			break
+		}
+
+		// read KV pairs
+		if ejp.s != jpsSawBeginObject {
+			return nil, invalidJSONErrorForType("{", t)
+		}
+
+		keys, vals, err := ejp.readObject(2, true)
+		if err != nil {
+			return nil, err
+		}
+
+		ejp.advanceState()
+		if ejp.s != jpsSawEndObject {
+			return nil, invalidJSONErrorForType("2 key-value pairs and then }", t)
+		}
+
+		v = &extJSONValue{t: bsontype.EmbeddedDocument, v: &extJSONObject{keys: keys, values: vals}}
+
+	case bsontype.DateTime:
+		switch ejp.s {
+		case jpsSawValue:
+			v = ejp.v
+		case jpsSawKey:
+			// read colon
+			ejp.advanceState()
+			if err := ensureColon(ejp.s, ejp.k); err != nil {
+				return nil, err
+			}
+
+			ejp.advanceState()
+			switch ejp.s {
+			case jpsSawBeginObject:
+				keys, vals, err := ejp.readObject(1, true)
+				if err != nil {
+					return nil, err
+				}
+				v = &extJSONValue{t: bsontype.EmbeddedDocument, v: &extJSONObject{keys: keys, values: vals}}
+			case jpsSawValue:
+				if ejp.canonical {
+					return nil, invalidJSONError("{")
+				}
+				v = ejp.v
+			default:
+				if ejp.canonical {
+					return nil, invalidJSONErrorForType("object", t)
+				}
+				return nil, invalidJSONErrorForType("ISO-8601 Internet Date/Time Format as described in RFC-3339", t)
+			}
+
+			ejp.advanceState()
+			if ejp.s != jpsSawEndObject {
+				return nil, invalidJSONErrorForType("value and then }", t)
+			}
+		default:
+			return nil, invalidRequestError(t.String())
+		}
+	case bsontype.JavaScript:
+		switch ejp.s {
+		case jpsSawKey:
+			// read colon
+			ejp.advanceState()
+			if err := ensureColon(ejp.s, ejp.k); err != nil {
+				return nil, err
+			}
+
+			// read value
+			ejp.advanceState()
+			if ejp.s != jpsSawValue {
+				return nil, invalidJSONErrorForType("value", t)
+			}
+			v = ejp.v
+
+			// read end object or comma and just return
+			ejp.advanceState()
+		case jpsSawEndObject:
+			v = ejp.v
+		default:
+			return nil, invalidRequestError(t.String())
+		}
+	case bsontype.CodeWithScope:
+		if ejp.s == jpsSawKey && ejp.k == "$scope" {
+			v = ejp.v // this is the $code string from earlier
+
+			// read colon
+			ejp.advanceState()
+			if err := ensureColon(ejp.s, ejp.k); err != nil {
+				return nil, err
+			}
+
+			// read {
+			ejp.advanceState()
+			if ejp.s != jpsSawBeginObject {
+				return nil, invalidJSONError("$scope to be embedded document")
+			}
+		} else {
+			return nil, invalidRequestError(t.String())
+		}
+	case bsontype.EmbeddedDocument, bsontype.Array:
+		return nil, invalidRequestError(t.String())
+	}
+
+	return v, nil
+}
+
+// readObject is a utility method for reading full objects of known (or expected) size
+// it is useful for extended JSON types such as binary, datetime, regex, and timestamp
+func (ejp *extJSONParser) readObject(numKeys int, started bool) ([]string, []*extJSONValue, error) {
+	keys := make([]string, numKeys)
+	vals := make([]*extJSONValue, numKeys)
+
+	if !started {
+		ejp.advanceState()
+		if ejp.s != jpsSawBeginObject {
+			return nil, nil, invalidJSONError("{")
+		}
+	}
+
+	for i := 0; i < numKeys; i++ {
+		key, t, err := ejp.readKey()
+		if err != nil {
+			return nil, nil, err
+		}
+
+		switch ejp.s {
+		case jpsSawKey:
+			v, err := ejp.readValue(t)
+			if err != nil {
+				return nil, nil, err
+			}
+
+			keys[i] = key
+			vals[i] = v
+		case jpsSawValue:
+			keys[i] = key
+			vals[i] = ejp.v
+		default:
+			return nil, nil, invalidJSONError("value")
+		}
+	}
+
+	ejp.advanceState()
+	if ejp.s != jpsSawEndObject {
+		return nil, nil, invalidJSONError("}")
+	}
+
+	return keys, vals, nil
+}
+
+// advanceState reads the next JSON token from the scanner and transitions
+// from the current state based on that token's type
+func (ejp *extJSONParser) advanceState() {
+	if ejp.s == jpsDoneState || ejp.s == jpsInvalidState {
+		return
+	}
+
+	jt, err := ejp.js.nextToken()
+
+	if err != nil {
+		ejp.err = err
+		ejp.s = jpsInvalidState
+		return
+	}
+
+	valid := ejp.validateToken(jt.t)
+	if !valid {
+		ejp.err = unexpectedTokenError(jt)
+		ejp.s = jpsInvalidState
+		return
+	}
+
+	switch jt.t {
+	case jttBeginObject:
+		ejp.s = jpsSawBeginObject
+		ejp.pushMode(jpmObjectMode)
+		ejp.depth++
+
+		if ejp.depth > ejp.maxDepth {
+			ejp.err = nestingDepthError(jt.p, ejp.depth)
+			ejp.s = jpsInvalidState
+		}
+	case jttEndObject:
+		ejp.s = jpsSawEndObject
+		ejp.depth--
+
+		if ejp.popMode() != jpmObjectMode {
+			ejp.err = unexpectedTokenError(jt)
+			ejp.s = jpsInvalidState
+		}
+	case jttBeginArray:
+		ejp.s = jpsSawBeginArray
+		ejp.pushMode(jpmArrayMode)
+	case jttEndArray:
+		ejp.s = jpsSawEndArray
+
+		if ejp.popMode() != jpmArrayMode {
+			ejp.err = unexpectedTokenError(jt)
+			ejp.s = jpsInvalidState
+		}
+	case jttColon:
+		ejp.s = jpsSawColon
+	case jttComma:
+		ejp.s = jpsSawComma
+	case jttEOF:
+		ejp.s = jpsDoneState
+		if len(ejp.m) != 0 {
+			ejp.err = unexpectedTokenError(jt)
+			ejp.s = jpsInvalidState
+		}
+	case jttString:
+		switch ejp.s {
+		case jpsSawComma:
+			if ejp.peekMode() == jpmArrayMode {
+				ejp.s = jpsSawValue
+				ejp.v = extendJSONToken(jt)
+				return
+			}
+			fallthrough
+		case jpsSawBeginObject:
+			ejp.s = jpsSawKey
+			ejp.k = jt.v.(string)
+			return
+		}
+		fallthrough
+	default:
+		ejp.s = jpsSawValue
+		ejp.v = extendJSONToken(jt)
+	}
+}
+
+var jpsValidTransitionTokens = map[jsonParseState]map[jsonTokenType]bool{
+	jpsStartState: {
+		jttBeginObject: true,
+		jttBeginArray:  true,
+		jttInt32:       true,
+		jttInt64:       true,
+		jttDouble:      true,
+		jttString:      true,
+		jttBool:        true,
+		jttNull:        true,
+		jttEOF:         true,
+	},
+	jpsSawBeginObject: {
+		jttEndObject: true,
+		jttString:    true,
+	},
+	jpsSawEndObject: {
+		jttEndObject: true,
+		jttEndArray:  true,
+		jttComma:     true,
+		jttEOF:       true,
+	},
+	jpsSawBeginArray: {
+		jttBeginObject: true,
+		jttBeginArray:  true,
+		jttEndArray:    true,
+		jttInt32:       true,
+		jttInt64:       true,
+		jttDouble:      true,
+		jttString:      true,
+		jttBool:        true,
+		jttNull:        true,
+	},
+	jpsSawEndArray: {
+		jttEndObject: true,
+		jttEndArray:  true,
+		jttComma:     true,
+		jttEOF:       true,
+	},
+	jpsSawColon: {
+		jttBeginObject: true,
+		jttBeginArray:  true,
+		jttInt32:       true,
+		jttInt64:       true,
+		jttDouble:      true,
+		jttString:      true,
+		jttBool:        true,
+		jttNull:        true,
+	},
+	jpsSawComma: {
+		jttBeginObject: true,
+		jttBeginArray:  true,
+		jttInt32:       true,
+		jttInt64:       true,
+		jttDouble:      true,
+		jttString:      true,
+		jttBool:        true,
+		jttNull:        true,
+	},
+	jpsSawKey: {
+		jttColon: true,
+	},
+	jpsSawValue: {
+		jttEndObject: true,
+		jttEndArray:  true,
+		jttComma:     true,
+		jttEOF:       true,
+	},
+	jpsDoneState:    {},
+	jpsInvalidState: {},
+}
+
+func (ejp *extJSONParser) validateToken(jtt jsonTokenType) bool {
+	switch ejp.s {
+	case jpsSawEndObject:
+		// if we are at depth zero and the next token is a '{',
+		// we can consider it valid only if we are not in array mode.
+		if jtt == jttBeginObject && ejp.depth == 0 {
+			return ejp.peekMode() != jpmArrayMode
+		}
+	case jpsSawComma:
+		switch ejp.peekMode() {
+		// the only valid next token after a comma inside a document is a string (a key)
+		case jpmObjectMode:
+			return jtt == jttString
+		case jpmInvalidMode:
+			return false
+		}
+	}
+
+	_, ok := jpsValidTransitionTokens[ejp.s][jtt]
+	return ok
+}
+
+// ensureExtValueType returns true if the current value has the expected
+// value type for single-key extended JSON types. For example,
+// {"$numberInt": v} v must be TypeString
+func (ejp *extJSONParser) ensureExtValueType(t bsontype.Type) bool {
+	switch t {
+	case bsontype.MinKey, bsontype.MaxKey:
+		return ejp.v.t == bsontype.Int32
+	case bsontype.Undefined:
+		return ejp.v.t == bsontype.Boolean
+	case bsontype.Int32, bsontype.Int64, bsontype.Double, bsontype.Decimal128, bsontype.Symbol, bsontype.ObjectID:
+		return ejp.v.t == bsontype.String
+	default:
+		return false
+	}
+}
+
+func (ejp *extJSONParser) pushMode(m jsonParseMode) {
+	ejp.m = append(ejp.m, m)
+}
+
+func (ejp *extJSONParser) popMode() jsonParseMode {
+	l := len(ejp.m)
+	if l == 0 {
+		return jpmInvalidMode
+	}
+
+	m := ejp.m[l-1]
+	ejp.m = ejp.m[:l-1]
+
+	return m
+}
+
+func (ejp *extJSONParser) peekMode() jsonParseMode {
+	l := len(ejp.m)
+	if l == 0 {
+		return jpmInvalidMode
+	}
+
+	return ejp.m[l-1]
+}
+
+func extendJSONToken(jt *jsonToken) *extJSONValue {
+	var t bsontype.Type
+
+	switch jt.t {
+	case jttInt32:
+		t = bsontype.Int32
+	case jttInt64:
+		t = bsontype.Int64
+	case jttDouble:
+		t = bsontype.Double
+	case jttString:
+		t = bsontype.String
+	case jttBool:
+		t = bsontype.Boolean
+	case jttNull:
+		t = bsontype.Null
+	default:
+		return nil
+	}
+
+	return &extJSONValue{t: t, v: jt.v}
+}
+
+func ensureColon(s jsonParseState, key string) error {
+	if s != jpsSawColon {
+		return fmt.Errorf("invalid JSON input: missing colon after key \"%s\"", key)
+	}
+
+	return nil
+}
+
+func invalidRequestError(s string) error {
+	return fmt.Errorf("invalid request to read %s", s)
+}
+
+func invalidJSONError(expected string) error {
+	return fmt.Errorf("invalid JSON input; expected %s", expected)
+}
+
+func invalidJSONErrorForType(expected string, t bsontype.Type) error {
+	return fmt.Errorf("invalid JSON input; expected %s for %s", expected, t)
+}
+
+func unexpectedTokenError(jt *jsonToken) error {
+	switch jt.t {
+	case jttInt32, jttInt64, jttDouble:
+		return fmt.Errorf("invalid JSON input; unexpected number (%v) at position %d", jt.v, jt.p)
+	case jttString:
+		return fmt.Errorf("invalid JSON input; unexpected string (\"%v\") at position %d", jt.v, jt.p)
+	case jttBool:
+		return fmt.Errorf("invalid JSON input; unexpected boolean literal (%v) at position %d", jt.v, jt.p)
+	case jttNull:
+		return fmt.Errorf("invalid JSON input; unexpected null literal at position %d", jt.p)
+	case jttEOF:
+		return fmt.Errorf("invalid JSON input; unexpected end of input at position %d", jt.p)
+	default:
+		return fmt.Errorf("invalid JSON input; unexpected %c at position %d", jt.v.(byte), jt.p)
+	}
+}
+
+func nestingDepthError(p, depth int) error {
+	return fmt.Errorf("invalid JSON input; nesting too deep (%d levels) at position %d", depth, p)
+}
diff --git a/vendor/go.mongodb.org/mongo-driver/bson/bsonrw/extjson_reader.go b/vendor/go.mongodb.org/mongo-driver/bson/bsonrw/extjson_reader.go
new file mode 100644
index 000000000..35832d73a
--- /dev/null
+++ b/vendor/go.mongodb.org/mongo-driver/bson/bsonrw/extjson_reader.go
@@ -0,0 +1,644 @@
+// Copyright (C) MongoDB, Inc. 2017-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+
+package bsonrw
+
+import (
+	"fmt"
+	"io"
+	"sync"
+
+	"go.mongodb.org/mongo-driver/bson/bsontype"
+	"go.mongodb.org/mongo-driver/bson/primitive"
+)
+
+// ExtJSONValueReaderPool is a pool for ValueReaders that read ExtJSON.
+type ExtJSONValueReaderPool struct {
+	pool sync.Pool
+}
+
+// NewExtJSONValueReaderPool instantiates a new ExtJSONValueReaderPool.
+func NewExtJSONValueReaderPool() *ExtJSONValueReaderPool {
+	return &ExtJSONValueReaderPool{
+		pool: sync.Pool{
+			New: func() interface{} {
+				return new(extJSONValueReader)
+			},
+		},
+	}
+}
+
+// Get retrieves a ValueReader from the pool and uses src as the underlying ExtJSON.
+func (bvrp *ExtJSONValueReaderPool) Get(r io.Reader, canonical bool) (ValueReader, error) {
+	vr := bvrp.pool.Get().(*extJSONValueReader)
+	return vr.reset(r, canonical)
+}
+
+// Put inserts a ValueReader into the pool. If the ValueReader is not a ExtJSON ValueReader nothing
+// is inserted into the pool and ok will be false.
+func (bvrp *ExtJSONValueReaderPool) Put(vr ValueReader) (ok bool) {
+	bvr, ok := vr.(*extJSONValueReader)
+	if !ok {
+		return false
+	}
+
+	bvr, _ = bvr.reset(nil, false)
+	bvrp.pool.Put(bvr)
+	return true
+}
+
+type ejvrState struct {
+	mode  mode
+	vType bsontype.Type
+	depth int
+}
+
+// extJSONValueReader is for reading extended JSON.
+type extJSONValueReader struct {
+	p *extJSONParser
+
+	stack []ejvrState
+	frame int
+}
+
+// NewExtJSONValueReader creates a new ValueReader from a given io.Reader
+// It will interpret the JSON of r as canonical or relaxed according to the
+// given canonical flag
+func NewExtJSONValueReader(r io.Reader, canonical bool) (ValueReader, error) {
+	return newExtJSONValueReader(r, canonical)
+}
+
+func newExtJSONValueReader(r io.Reader, canonical bool) (*extJSONValueReader, error) {
+	ejvr := new(extJSONValueReader)
+	return ejvr.reset(r, canonical)
+}
+
+func (ejvr *extJSONValueReader) reset(r io.Reader, canonical bool) (*extJSONValueReader, error) {
+	p := newExtJSONParser(r, canonical)
+	typ, err := p.peekType()
+
+	if err != nil {
+		return nil, ErrInvalidJSON
+	}
+
+	var m mode
+	switch typ {
+	case bsontype.EmbeddedDocument:
+		m = mTopLevel
+	case bsontype.Array:
+		m = mArray
+	default:
+		m = mValue
+	}
+
+	stack := make([]ejvrState, 1, 5)
+	stack[0] = ejvrState{
+		mode:  m,
+		vType: typ,
+	}
+	return &extJSONValueReader{
+		p:     p,
+		stack: stack,
+	}, nil
+}
+
+func (ejvr *extJSONValueReader) advanceFrame() {
+	if ejvr.frame+1 >= len(ejvr.stack) { // We need to grow the stack
+		length := len(ejvr.stack)
+		if length+1 >= cap(ejvr.stack) {
+			// double it
+			buf := make([]ejvrState, 2*cap(ejvr.stack)+1)
+			copy(buf, ejvr.stack)
+			ejvr.stack = buf
+		}
+		ejvr.stack = ejvr.stack[:length+1]
+	}
+	ejvr.frame++
+
+	// Clean the stack
+	ejvr.stack[ejvr.frame].mode = 0
+	ejvr.stack[ejvr.frame].vType = 0
+	ejvr.stack[ejvr.frame].depth = 0
+}
+
+func (ejvr *extJSONValueReader) pushDocument() {
+	ejvr.advanceFrame()
+
+	ejvr.stack[ejvr.frame].mode = mDocument
+	ejvr.stack[ejvr.frame].depth = ejvr.p.depth
+}
+
+func (ejvr *extJSONValueReader) pushCodeWithScope() {
+	ejvr.advanceFrame()
+
+	ejvr.stack[ejvr.frame].mode = mCodeWithScope
+}
+
+func (ejvr *extJSONValueReader) pushArray() {
+	ejvr.advanceFrame()
+
+	ejvr.stack[ejvr.frame].mode = mArray
+}
+
+func (ejvr *extJSONValueReader) push(m mode, t bsontype.Type) {
+	ejvr.advanceFrame()
+
+	ejvr.stack[ejvr.frame].mode = m
+	ejvr.stack[ejvr.frame].vType = t
+}
+
+func (ejvr *extJSONValueReader) pop() {
+	switch ejvr.stack[ejvr.frame].mode {
+	case mElement, mValue:
+		ejvr.frame--
+	case mDocument, mArray, mCodeWithScope:
+		ejvr.frame -= 2 // we pop twice to jump over the vrElement: vrDocument -> vrElement -> vrDocument/TopLevel/etc...
+	}
+}
+
+func (ejvr *extJSONValueReader) skipObject() {
+	// read entire object until depth returns to 0 (last ending } or ] seen)
+	depth := 1
+	for depth > 0 {
+		ejvr.p.advanceState()
+
+		// If object is empty, raise depth and continue. When emptyObject is true, the
+		// parser has already read both the opening and closing brackets of an empty
+		// object ("{}"), so the next valid token will be part of the parent document,
+		// not part of the nested document.
+		//
+		// If there is a comma, there are remaining fields, emptyObject must be set back
+		// to false, and comma must be skipped with advanceState().
+		if ejvr.p.emptyObject {
+			if ejvr.p.s == jpsSawComma {
+				ejvr.p.emptyObject = false
+				ejvr.p.advanceState()
+			}
+			depth--
+			continue
+		}
+
+		switch ejvr.p.s {
+		case jpsSawBeginObject, jpsSawBeginArray:
+			depth++
+		case jpsSawEndObject, jpsSawEndArray:
+			depth--
+		}
+	}
+}
+
+func (ejvr *extJSONValueReader) invalidTransitionErr(destination mode, name string, modes []mode) error {
+	te := TransitionError{
+		name:        name,
+		current:     ejvr.stack[ejvr.frame].mode,
+		destination: destination,
+		modes:       modes,
+		action:      "read",
+	}
+	if ejvr.frame != 0 {
+		te.parent = ejvr.stack[ejvr.frame-1].mode
+	}
+	return te
+}
+
+func (ejvr *extJSONValueReader) typeError(t bsontype.Type) error {
+	return fmt.Errorf("positioned on %s, but attempted to read %s", ejvr.stack[ejvr.frame].vType, t)
+}
+
+func (ejvr *extJSONValueReader) ensureElementValue(t bsontype.Type, destination mode, callerName string, addModes ...mode) error {
+	switch ejvr.stack[ejvr.frame].mode {
+	case mElement, mValue:
+		if ejvr.stack[ejvr.frame].vType != t {
+			return ejvr.typeError(t)
+		}
+	default:
+		modes := []mode{mElement, mValue}
+		if addModes != nil {
+			modes = append(modes, addModes...)
+		}
+		return ejvr.invalidTransitionErr(destination, callerName, modes)
+	}
+
+	return nil
+}
+
+func (ejvr *extJSONValueReader) Type() bsontype.Type {
+	return ejvr.stack[ejvr.frame].vType
+}
+
+func (ejvr *extJSONValueReader) Skip() error {
+	switch ejvr.stack[ejvr.frame].mode {
+	case mElement, mValue:
+	default:
+		return ejvr.invalidTransitionErr(0, "Skip", []mode{mElement, mValue})
+	}
+
+	defer ejvr.pop()
+
+	t := ejvr.stack[ejvr.frame].vType
+	switch t {
+	case bsontype.Array, bsontype.EmbeddedDocument, bsontype.CodeWithScope:
+		// read entire array, doc or CodeWithScope
+		ejvr.skipObject()
+	default:
+		_, err := ejvr.p.readValue(t)
+		if err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+func (ejvr *extJSONValueReader) ReadArray() (ArrayReader, error) {
+	switch ejvr.stack[ejvr.frame].mode {
+	case mTopLevel: // allow reading array from top level
+	case mArray:
+		return ejvr, nil
+	default:
+		if err := ejvr.ensureElementValue(bsontype.Array, mArray, "ReadArray", mTopLevel, mArray); err != nil {
+			return nil, err
+		}
+	}
+
+	ejvr.pushArray()
+
+	return ejvr, nil
+}
+
+func (ejvr *extJSONValueReader) ReadBinary() (b []byte, btype byte, err error) {
+	if err := ejvr.ensureElementValue(bsontype.Binary, 0, "ReadBinary"); err != nil {
+		return nil, 0, err
+	}
+
+	v, err := ejvr.p.readValue(bsontype.Binary)
+	if err != nil {
+		return nil, 0, err
+	}
+
+	b, btype, err = v.parseBinary()
+
+	ejvr.pop()
+	return b, btype, err
+}
+
+func (ejvr *extJSONValueReader) ReadBoolean() (bool, error) {
+	if err := ejvr.ensureElementValue(bsontype.Boolean, 0, "ReadBoolean"); err != nil {
+		return false, err
+	}
+
+	v, err := ejvr.p.readValue(bsontype.Boolean)
+	if err != nil {
+		return false, err
+	}
+
+	if v.t != bsontype.Boolean {
+		return false, fmt.Errorf("expected type bool, but got type %s", v.t)
+	}
+
+	ejvr.pop()
+	return v.v.(bool), nil
+}
+
+func (ejvr *extJSONValueReader) ReadDocument() (DocumentReader, error) {
+	switch ejvr.stack[ejvr.frame].mode {
+	case mTopLevel:
+		return ejvr, nil
+	case mElement, mValue:
+		if ejvr.stack[ejvr.frame].vType != bsontype.EmbeddedDocument {
+			return nil, ejvr.typeError(bsontype.EmbeddedDocument)
+		}
+
+		ejvr.pushDocument()
+		return ejvr, nil
+	default:
+		return nil, ejvr.invalidTransitionErr(mDocument, "ReadDocument", []mode{mTopLevel, mElement, mValue})
+	}
+}
+
+func (ejvr *extJSONValueReader) ReadCodeWithScope() (code string, dr DocumentReader, err error) {
+	if err = ejvr.ensureElementValue(bsontype.CodeWithScope, 0, "ReadCodeWithScope"); err != nil {
+		return "", nil, err
+	}
+
+	v, err := ejvr.p.readValue(bsontype.CodeWithScope)
+	if err != nil {
+		return "", nil, err
+	}
+
+	code, err = v.parseJavascript()
+
+	ejvr.pushCodeWithScope()
+	return code, ejvr, err
+}
+
+func (ejvr *extJSONValueReader) ReadDBPointer() (ns string, oid primitive.ObjectID, err error) {
+	if err = ejvr.ensureElementValue(bsontype.DBPointer, 0, "ReadDBPointer"); err != nil {
+		return "", primitive.NilObjectID, err
+	}
+
+	v, err := ejvr.p.readValue(bsontype.DBPointer)
+	if err != nil {
+		return "", primitive.NilObjectID, err
+	}
+
+	ns, oid, err = v.parseDBPointer()
+
+	ejvr.pop()
+	return ns, oid, err
+}
+
+func (ejvr *extJSONValueReader) ReadDateTime() (int64, error) {
+	if err := ejvr.ensureElementValue(bsontype.DateTime, 0, "ReadDateTime"); err != nil {
+		return 0, err
+	}
+
+	v, err := ejvr.p.readValue(bsontype.DateTime)
+	if err != nil {
+		return 0, err
+	}
+
+	d, err := v.parseDateTime()
+
+	ejvr.pop()
+	return d, err
+}
+
+func (ejvr *extJSONValueReader) ReadDecimal128() (primitive.Decimal128, error) {
+	if err := ejvr.ensureElementValue(bsontype.Decimal128, 0, "ReadDecimal128"); err != nil {
+		return primitive.Decimal128{}, err
+	}
+
+	v, err := ejvr.p.readValue(bsontype.Decimal128)
+	if err != nil {
+		return primitive.Decimal128{}, err
+	}
+
+	d, err := v.parseDecimal128()
+
+	ejvr.pop()
+	return d, err
+}
+
+func (ejvr *extJSONValueReader) ReadDouble() (float64, error) {
+	if err := ejvr.ensureElementValue(bsontype.Double, 0, "ReadDouble"); err != nil {
+		return 0, err
+	}
+
+	v, err := ejvr.p.readValue(bsontype.Double)
+	if err != nil {
+		return 0, err
+	}
+
+	d, err := v.parseDouble()
+
+	ejvr.pop()
+	return d, err
+}
+
+func (ejvr *extJSONValueReader) ReadInt32() (int32, error) {
+	if err := ejvr.ensureElementValue(bsontype.Int32, 0, "ReadInt32"); err != nil {
+		return 0, err
+	}
+
+	v, err := ejvr.p.readValue(bsontype.Int32)
+	if err != nil {
+		return 0, err
+	}
+
+	i, err := v.parseInt32()
+
+	ejvr.pop()
+	return i, err
+}
+
+func (ejvr *extJSONValueReader) ReadInt64() (int64, error) {
+	if err := ejvr.ensureElementValue(bsontype.Int64, 0, "ReadInt64"); err != nil {
+		return 0, err
+	}
+
+	v, err := ejvr.p.readValue(bsontype.Int64)
+	if err != nil {
+		return 0, err
+	}
+
+	i, err := v.parseInt64()
+
+	ejvr.pop()
+	return i, err
+}
+
+func (ejvr *extJSONValueReader) ReadJavascript() (code string, err error) {
+	if err = ejvr.ensureElementValue(bsontype.JavaScript, 0, "ReadJavascript"); err != nil {
+		return "", err
+	}
+
+	v, err := ejvr.p.readValue(bsontype.JavaScript)
+	if err != nil {
+		return "", err
+	}
+
+	code, err = v.parseJavascript()
+
+	ejvr.pop()
+	return code, err
+}
+
+func (ejvr *extJSONValueReader) ReadMaxKey() error {
+	if err := ejvr.ensureElementValue(bsontype.MaxKey, 0, "ReadMaxKey"); err != nil {
+		return err
+	}
+
+	v, err := ejvr.p.readValue(bsontype.MaxKey)
+	if err != nil {
+		return err
+	}
+
+	err = v.parseMinMaxKey("max")
+
+	ejvr.pop()
+	return err
+}
+
+func (ejvr *extJSONValueReader) ReadMinKey() error {
+	if err := ejvr.ensureElementValue(bsontype.MinKey, 0, "ReadMinKey"); err != nil {
+		return err
+	}
+
+	v, err := ejvr.p.readValue(bsontype.MinKey)
+	if err != nil {
+		return err
+	}
+
+	err = v.parseMinMaxKey("min")
+
+	ejvr.pop()
+	return err
+}
+
+func (ejvr *extJSONValueReader) ReadNull() error {
+	if err := ejvr.ensureElementValue(bsontype.Null, 0, "ReadNull"); err != nil {
+		return err
+	}
+
+	v, err := ejvr.p.readValue(bsontype.Null)
+	if err != nil {
+		return err
+	}
+
+	if v.t != bsontype.Null {
+		return fmt.Errorf("expected type null but got type %s", v.t)
+	}
+
+	ejvr.pop()
+	return nil
+}
+
+func (ejvr *extJSONValueReader) ReadObjectID() (primitive.ObjectID, error) {
+	if err := ejvr.ensureElementValue(bsontype.ObjectID, 0, "ReadObjectID"); err != nil {
+		return primitive.ObjectID{}, err
+	}
+
+	v, err := ejvr.p.readValue(bsontype.ObjectID)
+	if err != nil {
+		return primitive.ObjectID{}, err
+	}
+
+	oid, err := v.parseObjectID()
+
+	ejvr.pop()
+	return oid, err
+}
+
+func (ejvr *extJSONValueReader) ReadRegex() (pattern string, options string, err error) {
+	if err = ejvr.ensureElementValue(bsontype.Regex, 0, "ReadRegex"); err != nil {
+		return "", "", err
+	}
+
+	v, err := ejvr.p.readValue(bsontype.Regex)
+	if err != nil {
+		return "", "", err
+	}
+
+	pattern, options, err = v.parseRegex()
+
+	ejvr.pop()
+	return pattern, options, err
+}
+
+func (ejvr *extJSONValueReader) ReadString() (string, error) {
+	if err := ejvr.ensureElementValue(bsontype.String, 0, "ReadString"); err != nil {
+		return "", err
+	}
+
+	v, err := ejvr.p.readValue(bsontype.String)
+	if err != nil {
+		return "", err
+	}
+
+	if v.t != bsontype.String {
+		return "", fmt.Errorf("expected type string but got type %s", v.t)
+	}
+
+	ejvr.pop()
+	return v.v.(string), nil
+}
+
+func (ejvr *extJSONValueReader) ReadSymbol() (symbol string, err error) {
+	if err = ejvr.ensureElementValue(bsontype.Symbol, 0, "ReadSymbol"); err != nil {
+		return "", err
+	}
+
+	v, err := ejvr.p.readValue(bsontype.Symbol)
+	if err != nil {
+		return "", err
+	}
+
+	symbol, err = v.parseSymbol()
+
+	ejvr.pop()
+	return symbol, err
+}
+
+func (ejvr *extJSONValueReader) ReadTimestamp() (t uint32, i uint32, err error) {
+	if err = ejvr.ensureElementValue(bsontype.Timestamp, 0, "ReadTimestamp"); err != nil {
+		return 0, 0, err
+	}
+
+	v, err := ejvr.p.readValue(bsontype.Timestamp)
+	if err != nil {
+		return 0, 0, err
+	}
+
+	t, i, err = v.parseTimestamp()
+
+	ejvr.pop()
+	return t, i, err
+}
+
+func (ejvr *extJSONValueReader) ReadUndefined() error {
+	if err := ejvr.ensureElementValue(bsontype.Undefined, 0, "ReadUndefined"); err != nil {
+		return err
+	}
+
+	v, err := ejvr.p.readValue(bsontype.Undefined)
+	if err != nil {
+		return err
+	}
+
+	err = v.parseUndefined()
+
+	ejvr.pop()
+	return err
+}
+
+func (ejvr *extJSONValueReader) ReadElement() (string, ValueReader, error) {
+	switch ejvr.stack[ejvr.frame].mode {
+	case mTopLevel, mDocument, mCodeWithScope:
+	default:
+		return "", nil, ejvr.invalidTransitionErr(mElement, "ReadElement", []mode{mTopLevel, mDocument, mCodeWithScope})
+	}
+
+	name, t, err := ejvr.p.readKey()
+
+	if err != nil {
+		if err == ErrEOD {
+			if ejvr.stack[ejvr.frame].mode == mCodeWithScope {
+				_, err := ejvr.p.peekType()
+				if err != nil {
+					return "", nil, err
+				}
+			}
+
+			ejvr.pop()
+		}
+
+		return "", nil, err
+	}
+
+	ejvr.push(mElement, t)
+	return name, ejvr, nil
+}
+
+func (ejvr *extJSONValueReader) ReadValue() (ValueReader, error) {
+	switch ejvr.stack[ejvr.frame].mode {
+	case mArray:
+	default:
+		return nil, ejvr.invalidTransitionErr(mValue, "ReadValue", []mode{mArray})
+	}
+
+	t, err := ejvr.p.peekType()
+	if err != nil {
+		if err == ErrEOA {
+			ejvr.pop()
+		}
+
+		return nil, err
+	}
+
+	ejvr.push(mValue, t)
+	return ejvr, nil
+}
diff --git a/vendor/go.mongodb.org/mongo-driver/bson/bsonrw/extjson_tables.go b/vendor/go.mongodb.org/mongo-driver/bson/bsonrw/extjson_tables.go
new file mode 100644
index 000000000..ba39c9601
--- /dev/null
+++ b/vendor/go.mongodb.org/mongo-driver/bson/bsonrw/extjson_tables.go
@@ -0,0 +1,223 @@
+// Copyright (C) MongoDB, Inc. 2017-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+//
+// Based on github.com/golang/go by The Go Authors
+// See THIRD-PARTY-NOTICES for original license terms.
+
+package bsonrw
+
+import "unicode/utf8"
+
+// safeSet holds the value true if the ASCII character with the given array
+// position can be represented inside a JSON string without any further
+// escaping.
+//
+// All values are true except for the ASCII control characters (0-31), the
+// double quote ("), and the backslash character ("\").
+var safeSet = [utf8.RuneSelf]bool{
+	' ':      true,
+	'!':      true,
+	'"':      false,
+	'#':      true,
+	'$':      true,
+	'%':      true,
+	'&':      true,
+	'\'':     true,
+	'(':      true,
+	')':      true,
+	'*':      true,
+	'+':      true,
+	',':      true,
+	'-':      true,
+	'.':      true,
+	'/':      true,
+	'0':      true,
+	'1':      true,
+	'2':      true,
+	'3':      true,
+	'4':      true,
+	'5':      true,
+	'6':      true,
+	'7':      true,
+	'8':      true,
+	'9':      true,
+	':':      true,
+	';':      true,
+	'<':      true,
+	'=':      true,
+	'>':      true,
+	'?':      true,
+	'@':      true,
+	'A':      true,
+	'B':      true,
+	'C':      true,
+	'D':      true,
+	'E':      true,
+	'F':      true,
+	'G':      true,
+	'H':      true,
+	'I':      true,
+	'J':      true,
+	'K':      true,
+	'L':      true,
+	'M':      true,
+	'N':      true,
+	'O':      true,
+	'P':      true,
+	'Q':      true,
+	'R':      true,
+	'S':      true,
+	'T':      true,
+	'U':      true,
+	'V':      true,
+	'W':      true,
+	'X':      true,
+	'Y':      true,
+	'Z':      true,
+	'[':      true,
+	'\\':     false,
+	']':      true,
+	'^':      true,
+	'_':      true,
+	'`':      true,
+	'a':      true,
+	'b':      true,
+	'c':      true,
+	'd':      true,
+	'e':      true,
+	'f':      true,
+	'g':      true,
+	'h':      true,
+	'i':      true,
+	'j':      true,
+	'k':      true,
+	'l':      true,
+	'm':      true,
+	'n':      true,
+	'o':      true,
+	'p':      true,
+	'q':      true,
+	'r':      true,
+	's':      true,
+	't':      true,
+	'u':      true,
+	'v':      true,
+	'w':      true,
+	'x':      true,
+	'y':      true,
+	'z':      true,
+	'{':      true,
+	'|':      true,
+	'}':      true,
+	'~':      true,
+	'\u007f': true,
+}
+
+// htmlSafeSet holds the value true if the ASCII character with the given
+// array position can be safely represented inside a JSON string, embedded
+// inside of HTML <script> tags, without any additional escaping.
+//
+// All values are true except for the ASCII control characters (0-31), the
+// double quote ("), the backslash character ("\"), HTML opening and closing
+// tags ("<" and ">"), and the ampersand ("&").
+var htmlSafeSet = [utf8.RuneSelf]bool{
+	' ':      true,
+	'!':      true,
+	'"':      false,
+	'#':      true,
+	'$':      true,
+	'%':      true,
+	'&':      false,
+	'\'':     true,
+	'(':      true,
+	')':      true,
+	'*':      true,
+	'+':      true,
+	',':      true,
+	'-':      true,
+	'.':      true,
+	'/':      true,
+	'0':      true,
+	'1':      true,
+	'2':      true,
+	'3':      true,
+	'4':      true,
+	'5':      true,
+	'6':      true,
+	'7':      true,
+	'8':      true,
+	'9':      true,
+	':':      true,
+	';':      true,
+	'<':      false,
+	'=':      true,
+	'>':      false,
+	'?':      true,
+	'@':      true,
+	'A':      true,
+	'B':      true,
+	'C':      true,
+	'D':      true,
+	'E':      true,
+	'F':      true,
+	'G':      true,
+	'H':      true,
+	'I':      true,
+	'J':      true,
+	'K':      true,
+	'L':      true,
+	'M':      true,
+	'N':      true,
+	'O':      true,
+	'P':      true,
+	'Q':      true,
+	'R':      true,
+	'S':      true,
+	'T':      true,
+	'U':      true,
+	'V':      true,
+	'W':      true,
+	'X':      true,
+	'Y':      true,
+	'Z':      true,
+	'[':      true,
+	'\\':     false,
+	']':      true,
+	'^':      true,
+	'_':      true,
+	'`':      true,
+	'a':      true,
+	'b':      true,
+	'c':      true,
+	'd':      true,
+	'e':      true,
+	'f':      true,
+	'g':      true,
+	'h':      true,
+	'i':      true,
+	'j':      true,
+	'k':      true,
+	'l':      true,
+	'm':      true,
+	'n':      true,
+	'o':      true,
+	'p':      true,
+	'q':      true,
+	'r':      true,
+	's':      true,
+	't':      true,
+	'u':      true,
+	'v':      true,
+	'w':      true,
+	'x':      true,
+	'y':      true,
+	'z':      true,
+	'{':      true,
+	'|':      true,
+	'}':      true,
+	'~':      true,
+	'\u007f': true,
+}
diff --git a/vendor/go.mongodb.org/mongo-driver/bson/bsonrw/extjson_wrappers.go b/vendor/go.mongodb.org/mongo-driver/bson/bsonrw/extjson_wrappers.go
new file mode 100644
index 000000000..969570424
--- /dev/null
+++ b/vendor/go.mongodb.org/mongo-driver/bson/bsonrw/extjson_wrappers.go
@@ -0,0 +1,492 @@
+// Copyright (C) MongoDB, Inc. 2017-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+
+package bsonrw
+
+import (
+	"encoding/base64"
+	"errors"
+	"fmt"
+	"math"
+	"strconv"
+	"time"
+
+	"go.mongodb.org/mongo-driver/bson/bsontype"
+	"go.mongodb.org/mongo-driver/bson/primitive"
+)
+
+func wrapperKeyBSONType(key string) bsontype.Type {
+	switch key {
+	case "$numberInt":
+		return bsontype.Int32
+	case "$numberLong":
+		return bsontype.Int64
+	case "$oid":
+		return bsontype.ObjectID
+	case "$symbol":
+		return bsontype.Symbol
+	case "$numberDouble":
+		return bsontype.Double
+	case "$numberDecimal":
+		return bsontype.Decimal128
+	case "$binary":
+		return bsontype.Binary
+	case "$code":
+		return bsontype.JavaScript
+	case "$scope":
+		return bsontype.CodeWithScope
+	case "$timestamp":
+		return bsontype.Timestamp
+	case "$regularExpression":
+		return bsontype.Regex
+	case "$dbPointer":
+		return bsontype.DBPointer
+	case "$date":
+		return bsontype.DateTime
+	case "$minKey":
+		return bsontype.MinKey
+	case "$maxKey":
+		return bsontype.MaxKey
+	case "$undefined":
+		return bsontype.Undefined
+	}
+
+	return bsontype.EmbeddedDocument
+}
+
+func (ejv *extJSONValue) parseBinary() (b []byte, subType byte, err error) {
+	if ejv.t != bsontype.EmbeddedDocument {
+		return nil, 0, fmt.Errorf("$binary value should be object, but instead is %s", ejv.t)
+	}
+
+	binObj := ejv.v.(*extJSONObject)
+	bFound := false
+	stFound := false
+
+	for i, key := range binObj.keys {
+		val := binObj.values[i]
+
+		switch key {
+		case "base64":
+			if bFound {
+				return nil, 0, errors.New("duplicate base64 key in $binary")
+			}
+
+			if val.t != bsontype.String {
+				return nil, 0, fmt.Errorf("$binary base64 value should be string, but instead is %s", val.t)
+			}
+
+			base64Bytes, err := base64.StdEncoding.DecodeString(val.v.(string))
+			if err != nil {
+				return nil, 0, fmt.Errorf("invalid $binary base64 string: %s", val.v.(string))
+			}
+
+			b = base64Bytes
+			bFound = true
+		case "subType":
+			if stFound {
+				return nil, 0, errors.New("duplicate subType key in $binary")
+			}
+
+			if val.t != bsontype.String {
+				return nil, 0, fmt.Errorf("$binary subType value should be string, but instead is %s", val.t)
+			}
+
+			i, err := strconv.ParseInt(val.v.(string), 16, 64)
+			if err != nil {
+				return nil, 0, fmt.Errorf("invalid $binary subType string: %s", val.v.(string))
+			}
+
+			subType = byte(i)
+			stFound = true
+		default:
+			return nil, 0, fmt.Errorf("invalid key in $binary object: %s", key)
+		}
+	}
+
+	if !bFound {
+		return nil, 0, errors.New("missing base64 field in $binary object")
+	}
+
+	if !stFound {
+		return nil, 0, errors.New("missing subType field in $binary object")
+
+	}
+
+	return b, subType, nil
+}
+
+func (ejv *extJSONValue) parseDBPointer() (ns string, oid primitive.ObjectID, err error) {
+	if ejv.t != bsontype.EmbeddedDocument {
+		return "", primitive.NilObjectID, fmt.Errorf("$dbPointer value should be object, but instead is %s", ejv.t)
+	}
+
+	dbpObj := ejv.v.(*extJSONObject)
+	oidFound := false
+	nsFound := false
+
+	for i, key := range dbpObj.keys {
+		val := dbpObj.values[i]
+
+		switch key {
+		case "$ref":
+			if nsFound {
+				return "", primitive.NilObjectID, errors.New("duplicate $ref key in $dbPointer")
+			}
+
+			if val.t != bsontype.String {
+				return "", primitive.NilObjectID, fmt.Errorf("$dbPointer $ref value should be string, but instead is %s", val.t)
+			}
+
+			ns = val.v.(string)
+			nsFound = true
+		case "$id":
+			if oidFound {
+				return "", primitive.NilObjectID, errors.New("duplicate $id key in $dbPointer")
+			}
+
+			if val.t != bsontype.String {
+				return "", primitive.NilObjectID, fmt.Errorf("$dbPointer $id value should be string, but instead is %s", val.t)
+			}
+
+			oid, err = primitive.ObjectIDFromHex(val.v.(string))
+			if err != nil {
+				return "", primitive.NilObjectID, err
+			}
+
+			oidFound = true
+		default:
+			return "", primitive.NilObjectID, fmt.Errorf("invalid key in $dbPointer object: %s", key)
+		}
+	}
+
+	if !nsFound {
+		return "", oid, errors.New("missing $ref field in $dbPointer object")
+	}
+
+	if !oidFound {
+		return "", oid, errors.New("missing $id field in $dbPointer object")
+	}
+
+	return ns, oid, nil
+}
+
+const (
+	rfc3339Milli = "2006-01-02T15:04:05.999Z07:00"
+)
+
+var (
+	timeFormats = []string{rfc3339Milli, "2006-01-02T15:04:05.999Z0700"}
+)
+
+func (ejv *extJSONValue) parseDateTime() (int64, error) {
+	switch ejv.t {
+	case bsontype.Int32:
+		return int64(ejv.v.(int32)), nil
+	case bsontype.Int64:
+		return ejv.v.(int64), nil
+	case bsontype.String:
+		return parseDatetimeString(ejv.v.(string))
+	case bsontype.EmbeddedDocument:
+		return parseDatetimeObject(ejv.v.(*extJSONObject))
+	default:
+		return 0, fmt.Errorf("$date value should be string or object, but instead is %s", ejv.t)
+	}
+}
+
+func parseDatetimeString(data string) (int64, error) {
+	var t time.Time
+	var err error
+	// try acceptable time formats until one matches
+	for _, format := range timeFormats {
+		t, err = time.Parse(format, data)
+		if err == nil {
+			break
+		}
+	}
+	if err != nil {
+		return 0, fmt.Errorf("invalid $date value string: %s", data)
+	}
+
+	return int64(primitive.NewDateTimeFromTime(t)), nil
+}
+
+func parseDatetimeObject(data *extJSONObject) (d int64, err error) {
+	dFound := false
+
+	for i, key := range data.keys {
+		val := data.values[i]
+
+		switch key {
+		case "$numberLong":
+			if dFound {
+				return 0, errors.New("duplicate $numberLong key in $date")
+			}
+
+			if val.t != bsontype.String {
+				return 0, fmt.Errorf("$date $numberLong field should be string, but instead is %s", val.t)
+			}
+
+			d, err = val.parseInt64()
+			if err != nil {
+				return 0, err
+			}
+			dFound = true
+		default:
+			return 0, fmt.Errorf("invalid key in $date object: %s", key)
+		}
+	}
+
+	if !dFound {
+		return 0, errors.New("missing $numberLong field in $date object")
+	}
+
+	return d, nil
+}
+
+func (ejv *extJSONValue) parseDecimal128() (primitive.Decimal128, error) {
+	if ejv.t != bsontype.String {
+		return primitive.Decimal128{}, fmt.Errorf("$numberDecimal value should be string, but instead is %s", ejv.t)
+	}
+
+	d, err := primitive.ParseDecimal128(ejv.v.(string))
+	if err != nil {
+		return primitive.Decimal128{}, fmt.Errorf("$invalid $numberDecimal string: %s", ejv.v.(string))
+	}
+
+	return d, nil
+}
+
+func (ejv *extJSONValue) parseDouble() (float64, error) {
+	if ejv.t == bsontype.Double {
+		return ejv.v.(float64), nil
+	}
+
+	if ejv.t != bsontype.String {
+		return 0, fmt.Errorf("$numberDouble value should be string, but instead is %s", ejv.t)
+	}
+
+	switch ejv.v.(string) {
+	case "Infinity":
+		return math.Inf(1), nil
+	case "-Infinity":
+		return math.Inf(-1), nil
+	case "NaN":
+		return math.NaN(), nil
+	}
+
+	f, err := strconv.ParseFloat(ejv.v.(string), 64)
+	if err != nil {
+		return 0, err
+	}
+
+	return f, nil
+}
+
+func (ejv *extJSONValue) parseInt32() (int32, error) {
+	if ejv.t == bsontype.Int32 {
+		return ejv.v.(int32), nil
+	}
+
+	if ejv.t != bsontype.String {
+		return 0, fmt.Errorf("$numberInt value should be string, but instead is %s", ejv.t)
+	}
+
+	i, err := strconv.ParseInt(ejv.v.(string), 10, 64)
+	if err != nil {
+		return 0, err
+	}
+
+	if i < math.MinInt32 || i > math.MaxInt32 {
+		return 0, fmt.Errorf("$numberInt value should be int32 but instead is int64: %d", i)
+	}
+
+	return int32(i), nil
+}
+
+func (ejv *extJSONValue) parseInt64() (int64, error) {
+	if ejv.t == bsontype.Int64 {
+		return ejv.v.(int64), nil
+	}
+
+	if ejv.t != bsontype.String {
+		return 0, fmt.Errorf("$numberLong value should be string, but instead is %s", ejv.t)
+	}
+
+	i, err := strconv.ParseInt(ejv.v.(string), 10, 64)
+	if err != nil {
+		return 0, err
+	}
+
+	return i, nil
+}
+
+func (ejv *extJSONValue) parseJavascript() (code string, err error) {
+	if ejv.t != bsontype.String {
+		return "", fmt.Errorf("$code value should be string, but instead is %s", ejv.t)
+	}
+
+	return ejv.v.(string), nil
+}
+
+func (ejv *extJSONValue) parseMinMaxKey(minmax string) error {
+	if ejv.t != bsontype.Int32 {
+		return fmt.Errorf("$%sKey value should be int32, but instead is %s", minmax, ejv.t)
+	}
+
+	if ejv.v.(int32) != 1 {
+		return fmt.Errorf("$%sKey value must be 1, but instead is %d", minmax, ejv.v.(int32))
+	}
+
+	return nil
+}
+
+func (ejv *extJSONValue) parseObjectID() (primitive.ObjectID, error) {
+	if ejv.t != bsontype.String {
+		return primitive.NilObjectID, fmt.Errorf("$oid value should be string, but instead is %s", ejv.t)
+	}
+
+	return primitive.ObjectIDFromHex(ejv.v.(string))
+}
+
+func (ejv *extJSONValue) parseRegex() (pattern, options string, err error) {
+	if ejv.t != bsontype.EmbeddedDocument {
+		return "", "", fmt.Errorf("$regularExpression value should be object, but instead is %s", ejv.t)
+	}
+
+	regexObj := ejv.v.(*extJSONObject)
+	patFound := false
+	optFound := false
+
+	for i, key := range regexObj.keys {
+		val := regexObj.values[i]
+
+		switch key {
+		case "pattern":
+			if patFound {
+				return "", "", errors.New("duplicate pattern key in $regularExpression")
+			}
+
+			if val.t != bsontype.String {
+				return "", "", fmt.Errorf("$regularExpression pattern value should be string, but instead is %s", val.t)
+			}
+
+			pattern = val.v.(string)
+			patFound = true
+		case "options":
+			if optFound {
+				return "", "", errors.New("duplicate options key in $regularExpression")
+			}
+
+			if val.t != bsontype.String {
+				return "", "", fmt.Errorf("$regularExpression options value should be string, but instead is %s", val.t)
+			}
+
+			options = val.v.(string)
+			optFound = true
+		default:
+			return "", "", fmt.Errorf("invalid key in $regularExpression object: %s", key)
+		}
+	}
+
+	if !patFound {
+		return "", "", errors.New("missing pattern field in $regularExpression object")
+	}
+
+	if !optFound {
+		return "", "", errors.New("missing options field in $regularExpression object")
+
+	}
+
+	return pattern, options, nil
+}
+
+func (ejv *extJSONValue) parseSymbol() (string, error) {
+	if ejv.t != bsontype.String {
+		return "", fmt.Errorf("$symbol value should be string, but instead is %s", ejv.t)
+	}
+
+	return ejv.v.(string), nil
+}
+
+func (ejv *extJSONValue) parseTimestamp() (t, i uint32, err error) {
+	if ejv.t != bsontype.EmbeddedDocument {
+		return 0, 0, fmt.Errorf("$timestamp value should be object, but instead is %s", ejv.t)
+	}
+
+	handleKey := func(key string, val *extJSONValue, flag bool) (uint32, error) {
+		if flag {
+			return 0, fmt.Errorf("duplicate %s key in $timestamp", key)
+		}
+
+		switch val.t {
+		case bsontype.Int32:
+			value := val.v.(int32)
+
+			if value < 0 {
+				return 0, fmt.Errorf("$timestamp %s number should be uint32: %d", key, value)
+			}
+
+			return uint32(value), nil
+		case bsontype.Int64:
+			value := val.v.(int64)
+			if value < 0 || value > int64(math.MaxUint32) {
+				return 0, fmt.Errorf("$timestamp %s number should be uint32: %d", key, value)
+			}
+
+			return uint32(value), nil
+		default:
+			return 0, fmt.Errorf("$timestamp %s value should be uint32, but instead is %s", key, val.t)
+		}
+	}
+
+	tsObj := ejv.v.(*extJSONObject)
+	tFound := false
+	iFound := false
+
+	for j, key := range tsObj.keys {
+		val := tsObj.values[j]
+
+		switch key {
+		case "t":
+			if t, err = handleKey(key, val, tFound); err != nil {
+				return 0, 0, err
+			}
+
+			tFound = true
+		case "i":
+			if i, err = handleKey(key, val, iFound); err != nil {
+				return 0, 0, err
+			}
+
+			iFound = true
+		default:
+			return 0, 0, fmt.Errorf("invalid key in $timestamp object: %s", key)
+		}
+	}
+
+	if !tFound {
+		return 0, 0, errors.New("missing t field in $timestamp object")
+	}
+
+	if !iFound {
+		return 0, 0, errors.New("missing i field in $timestamp object")
+	}
+
+	return t, i, nil
+}
+
+func (ejv *extJSONValue) parseUndefined() error {
+	if ejv.t != bsontype.Boolean {
+		return fmt.Errorf("undefined value should be boolean, but instead is %s", ejv.t)
+	}
+
+	if !ejv.v.(bool) {
+		return fmt.Errorf("$undefined balue boolean should be true, but instead is %v", ejv.v.(bool))
+	}
+
+	return nil
+}
diff --git a/vendor/go.mongodb.org/mongo-driver/bson/bsonrw/extjson_writer.go b/vendor/go.mongodb.org/mongo-driver/bson/bsonrw/extjson_writer.go
new file mode 100644
index 000000000..99ed524b7
--- /dev/null
+++ b/vendor/go.mongodb.org/mongo-driver/bson/bsonrw/extjson_writer.go
@@ -0,0 +1,732 @@
+// Copyright (C) MongoDB, Inc. 2017-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+
+package bsonrw
+
+import (
+	"bytes"
+	"encoding/base64"
+	"fmt"
+	"io"
+	"math"
+	"sort"
+	"strconv"
+	"strings"
+	"sync"
+	"time"
+	"unicode/utf8"
+
+	"go.mongodb.org/mongo-driver/bson/primitive"
+)
+
+// ExtJSONValueWriterPool is a pool for ExtJSON ValueWriters.
+type ExtJSONValueWriterPool struct {
+	pool sync.Pool
+}
+
+// NewExtJSONValueWriterPool creates a new pool for ValueWriter instances that write to ExtJSON.
+func NewExtJSONValueWriterPool() *ExtJSONValueWriterPool {
+	return &ExtJSONValueWriterPool{
+		pool: sync.Pool{
+			New: func() interface{} {
+				return new(extJSONValueWriter)
+			},
+		},
+	}
+}
+
+// Get retrieves a ExtJSON ValueWriter from the pool and resets it to use w as the destination.
+func (bvwp *ExtJSONValueWriterPool) Get(w io.Writer, canonical, escapeHTML bool) ValueWriter {
+	vw := bvwp.pool.Get().(*extJSONValueWriter)
+	if writer, ok := w.(*SliceWriter); ok {
+		vw.reset(*writer, canonical, escapeHTML)
+		vw.w = writer
+		return vw
+	}
+	vw.buf = vw.buf[:0]
+	vw.w = w
+	return vw
+}
+
+// Put inserts a ValueWriter into the pool. If the ValueWriter is not a ExtJSON ValueWriter, nothing
+// happens and ok will be false.
+func (bvwp *ExtJSONValueWriterPool) Put(vw ValueWriter) (ok bool) {
+	bvw, ok := vw.(*extJSONValueWriter)
+	if !ok {
+		return false
+	}
+
+	if _, ok := bvw.w.(*SliceWriter); ok {
+		bvw.buf = nil
+	}
+	bvw.w = nil
+
+	bvwp.pool.Put(bvw)
+	return true
+}
+
+type ejvwState struct {
+	mode mode
+}
+
+type extJSONValueWriter struct {
+	w   io.Writer
+	buf []byte
+
+	stack      []ejvwState
+	frame      int64
+	canonical  bool
+	escapeHTML bool
+}
+
+// NewExtJSONValueWriter creates a ValueWriter that writes Extended JSON to w.
+func NewExtJSONValueWriter(w io.Writer, canonical, escapeHTML bool) (ValueWriter, error) {
+	if w == nil {
+		return nil, errNilWriter
+	}
+
+	return newExtJSONWriter(w, canonical, escapeHTML), nil
+}
+
+func newExtJSONWriter(w io.Writer, canonical, escapeHTML bool) *extJSONValueWriter {
+	stack := make([]ejvwState, 1, 5)
+	stack[0] = ejvwState{mode: mTopLevel}
+
+	return &extJSONValueWriter{
+		w:          w,
+		buf:        []byte{},
+		stack:      stack,
+		canonical:  canonical,
+		escapeHTML: escapeHTML,
+	}
+}
+
+func newExtJSONWriterFromSlice(buf []byte, canonical, escapeHTML bool) *extJSONValueWriter {
+	stack := make([]ejvwState, 1, 5)
+	stack[0] = ejvwState{mode: mTopLevel}
+
+	return &extJSONValueWriter{
+		buf:        buf,
+		stack:      stack,
+		canonical:  canonical,
+		escapeHTML: escapeHTML,
+	}
+}
+
+func (ejvw *extJSONValueWriter) reset(buf []byte, canonical, escapeHTML bool) {
+	if ejvw.stack == nil {
+		ejvw.stack = make([]ejvwState, 1, 5)
+	}
+
+	ejvw.stack = ejvw.stack[:1]
+	ejvw.stack[0] = ejvwState{mode: mTopLevel}
+	ejvw.canonical = canonical
+	ejvw.escapeHTML = escapeHTML
+	ejvw.frame = 0
+	ejvw.buf = buf
+	ejvw.w = nil
+}
+
+func (ejvw *extJSONValueWriter) advanceFrame() {
+	if ejvw.frame+1 >= int64(len(ejvw.stack)) { // We need to grow the stack
+		length := len(ejvw.stack)
+		if length+1 >= cap(ejvw.stack) {
+			// double it
+			buf := make([]ejvwState, 2*cap(ejvw.stack)+1)
+			copy(buf, ejvw.stack)
+			ejvw.stack = buf
+		}
+		ejvw.stack = ejvw.stack[:length+1]
+	}
+	ejvw.frame++
+}
+
+func (ejvw *extJSONValueWriter) push(m mode) {
+	ejvw.advanceFrame()
+
+	ejvw.stack[ejvw.frame].mode = m
+}
+
+func (ejvw *extJSONValueWriter) pop() {
+	switch ejvw.stack[ejvw.frame].mode {
+	case mElement, mValue:
+		ejvw.frame--
+	case mDocument, mArray, mCodeWithScope:
+		ejvw.frame -= 2 // we pop twice to jump over the mElement: mDocument -> mElement -> mDocument/mTopLevel/etc...
+	}
+}
+
+func (ejvw *extJSONValueWriter) invalidTransitionErr(destination mode, name string, modes []mode) error {
+	te := TransitionError{
+		name:        name,
+		current:     ejvw.stack[ejvw.frame].mode,
+		destination: destination,
+		modes:       modes,
+		action:      "write",
+	}
+	if ejvw.frame != 0 {
+		te.parent = ejvw.stack[ejvw.frame-1].mode
+	}
+	return te
+}
+
+func (ejvw *extJSONValueWriter) ensureElementValue(destination mode, callerName string, addmodes ...mode) error {
+	switch ejvw.stack[ejvw.frame].mode {
+	case mElement, mValue:
+	default:
+		modes := []mode{mElement, mValue}
+		if addmodes != nil {
+			modes = append(modes, addmodes...)
+		}
+		return ejvw.invalidTransitionErr(destination, callerName, modes)
+	}
+
+	return nil
+}
+
+func (ejvw *extJSONValueWriter) writeExtendedSingleValue(key string, value string, quotes bool) {
+	var s string
+	if quotes {
+		s = fmt.Sprintf(`{"$%s":"%s"}`, key, value)
+	} else {
+		s = fmt.Sprintf(`{"$%s":%s}`, key, value)
+	}
+
+	ejvw.buf = append(ejvw.buf, []byte(s)...)
+}
+
+func (ejvw *extJSONValueWriter) WriteArray() (ArrayWriter, error) {
+	if err := ejvw.ensureElementValue(mArray, "WriteArray"); err != nil {
+		return nil, err
+	}
+
+	ejvw.buf = append(ejvw.buf, '[')
+
+	ejvw.push(mArray)
+	return ejvw, nil
+}
+
+func (ejvw *extJSONValueWriter) WriteBinary(b []byte) error {
+	return ejvw.WriteBinaryWithSubtype(b, 0x00)
+}
+
+func (ejvw *extJSONValueWriter) WriteBinaryWithSubtype(b []byte, btype byte) error {
+	if err := ejvw.ensureElementValue(mode(0), "WriteBinaryWithSubtype"); err != nil {
+		return err
+	}
+
+	var buf bytes.Buffer
+	buf.WriteString(`{"$binary":{"base64":"`)
+	buf.WriteString(base64.StdEncoding.EncodeToString(b))
+	buf.WriteString(fmt.Sprintf(`","subType":"%02x"}},`, btype))
+
+	ejvw.buf = append(ejvw.buf, buf.Bytes()...)
+
+	ejvw.pop()
+	return nil
+}
+
+func (ejvw *extJSONValueWriter) WriteBoolean(b bool) error {
+	if err := ejvw.ensureElementValue(mode(0), "WriteBoolean"); err != nil {
+		return err
+	}
+
+	ejvw.buf = append(ejvw.buf, []byte(strconv.FormatBool(b))...)
+	ejvw.buf = append(ejvw.buf, ',')
+
+	ejvw.pop()
+	return nil
+}
+
+func (ejvw *extJSONValueWriter) WriteCodeWithScope(code string) (DocumentWriter, error) {
+	if err := ejvw.ensureElementValue(mCodeWithScope, "WriteCodeWithScope"); err != nil {
+		return nil, err
+	}
+
+	var buf bytes.Buffer
+	buf.WriteString(`{"$code":`)
+	writeStringWithEscapes(code, &buf, ejvw.escapeHTML)
+	buf.WriteString(`,"$scope":{`)
+
+	ejvw.buf = append(ejvw.buf, buf.Bytes()...)
+
+	ejvw.push(mCodeWithScope)
+	return ejvw, nil
+}
+
+func (ejvw *extJSONValueWriter) WriteDBPointer(ns string, oid primitive.ObjectID) error {
+	if err := ejvw.ensureElementValue(mode(0), "WriteDBPointer"); err != nil {
+		return err
+	}
+
+	var buf bytes.Buffer
+	buf.WriteString(`{"$dbPointer":{"$ref":"`)
+	buf.WriteString(ns)
+	buf.WriteString(`","$id":{"$oid":"`)
+	buf.WriteString(oid.Hex())
+	buf.WriteString(`"}}},`)
+
+	ejvw.buf = append(ejvw.buf, buf.Bytes()...)
+
+	ejvw.pop()
+	return nil
+}
+
+func (ejvw *extJSONValueWriter) WriteDateTime(dt int64) error {
+	if err := ejvw.ensureElementValue(mode(0), "WriteDateTime"); err != nil {
+		return err
+	}
+
+	t := time.Unix(dt/1e3, dt%1e3*1e6).UTC()
+
+	if ejvw.canonical || t.Year() < 1970 || t.Year() > 9999 {
+		s := fmt.Sprintf(`{"$numberLong":"%d"}`, dt)
+		ejvw.writeExtendedSingleValue("date", s, false)
+	} else {
+		ejvw.writeExtendedSingleValue("date", t.Format(rfc3339Milli), true)
+	}
+
+	ejvw.buf = append(ejvw.buf, ',')
+
+	ejvw.pop()
+	return nil
+}
+
+func (ejvw *extJSONValueWriter) WriteDecimal128(d primitive.Decimal128) error {
+	if err := ejvw.ensureElementValue(mode(0), "WriteDecimal128"); err != nil {
+		return err
+	}
+
+	ejvw.writeExtendedSingleValue("numberDecimal", d.String(), true)
+	ejvw.buf = append(ejvw.buf, ',')
+
+	ejvw.pop()
+	return nil
+}
+
+func (ejvw *extJSONValueWriter) WriteDocument() (DocumentWriter, error) {
+	if ejvw.stack[ejvw.frame].mode == mTopLevel {
+		ejvw.buf = append(ejvw.buf, '{')
+		return ejvw, nil
+	}
+
+	if err := ejvw.ensureElementValue(mDocument, "WriteDocument", mTopLevel); err != nil {
+		return nil, err
+	}
+
+	ejvw.buf = append(ejvw.buf, '{')
+	ejvw.push(mDocument)
+	return ejvw, nil
+}
+
+func (ejvw *extJSONValueWriter) WriteDouble(f float64) error {
+	if err := ejvw.ensureElementValue(mode(0), "WriteDouble"); err != nil {
+		return err
+	}
+
+	s := formatDouble(f)
+
+	if ejvw.canonical {
+		ejvw.writeExtendedSingleValue("numberDouble", s, true)
+	} else {
+		switch s {
+		case "Infinity":
+			fallthrough
+		case "-Infinity":
+			fallthrough
+		case "NaN":
+			s = fmt.Sprintf(`{"$numberDouble":"%s"}`, s)
+		}
+		ejvw.buf = append(ejvw.buf, []byte(s)...)
+	}
+
+	ejvw.buf = append(ejvw.buf, ',')
+
+	ejvw.pop()
+	return nil
+}
+
+func (ejvw *extJSONValueWriter) WriteInt32(i int32) error {
+	if err := ejvw.ensureElementValue(mode(0), "WriteInt32"); err != nil {
+		return err
+	}
+
+	s := strconv.FormatInt(int64(i), 10)
+
+	if ejvw.canonical {
+		ejvw.writeExtendedSingleValue("numberInt", s, true)
+	} else {
+		ejvw.buf = append(ejvw.buf, []byte(s)...)
+	}
+
+	ejvw.buf = append(ejvw.buf, ',')
+
+	ejvw.pop()
+	return nil
+}
+
+func (ejvw *extJSONValueWriter) WriteInt64(i int64) error {
+	if err := ejvw.ensureElementValue(mode(0), "WriteInt64"); err != nil {
+		return err
+	}
+
+	s := strconv.FormatInt(i, 10)
+
+	if ejvw.canonical {
+		ejvw.writeExtendedSingleValue("numberLong", s, true)
+	} else {
+		ejvw.buf = append(ejvw.buf, []byte(s)...)
+	}
+
+	ejvw.buf = append(ejvw.buf, ',')
+
+	ejvw.pop()
+	return nil
+}
+
+func (ejvw *extJSONValueWriter) WriteJavascript(code string) error {
+	if err := ejvw.ensureElementValue(mode(0), "WriteJavascript"); err != nil {
+		return err
+	}
+
+	var buf bytes.Buffer
+	writeStringWithEscapes(code, &buf, ejvw.escapeHTML)
+
+	ejvw.writeExtendedSingleValue("code", buf.String(), false)
+	ejvw.buf = append(ejvw.buf, ',')
+
+	ejvw.pop()
+	return nil
+}
+
+func (ejvw *extJSONValueWriter) WriteMaxKey() error {
+	if err := ejvw.ensureElementValue(mode(0), "WriteMaxKey"); err != nil {
+		return err
+	}
+
+	ejvw.writeExtendedSingleValue("maxKey", "1", false)
+	ejvw.buf = append(ejvw.buf, ',')
+
+	ejvw.pop()
+	return nil
+}
+
+func (ejvw *extJSONValueWriter) WriteMinKey() error {
+	if err := ejvw.ensureElementValue(mode(0), "WriteMinKey"); err != nil {
+		return err
+	}
+
+	ejvw.writeExtendedSingleValue("minKey", "1", false)
+	ejvw.buf = append(ejvw.buf, ',')
+
+	ejvw.pop()
+	return nil
+}
+
+func (ejvw *extJSONValueWriter) WriteNull() error {
+	if err := ejvw.ensureElementValue(mode(0), "WriteNull"); err != nil {
+		return err
+	}
+
+	ejvw.buf = append(ejvw.buf, []byte("null")...)
+	ejvw.buf = append(ejvw.buf, ',')
+
+	ejvw.pop()
+	return nil
+}
+
+func (ejvw *extJSONValueWriter) WriteObjectID(oid primitive.ObjectID) error {
+	if err := ejvw.ensureElementValue(mode(0), "WriteObjectID"); err != nil {
+		return err
+	}
+
+	ejvw.writeExtendedSingleValue("oid", oid.Hex(), true)
+	ejvw.buf = append(ejvw.buf, ',')
+
+	ejvw.pop()
+	return nil
+}
+
+func (ejvw *extJSONValueWriter) WriteRegex(pattern string, options string) error {
+	if err := ejvw.ensureElementValue(mode(0), "WriteRegex"); err != nil {
+		return err
+	}
+
+	var buf bytes.Buffer
+	buf.WriteString(`{"$regularExpression":{"pattern":`)
+	writeStringWithEscapes(pattern, &buf, ejvw.escapeHTML)
+	buf.WriteString(`,"options":"`)
+	buf.WriteString(sortStringAlphebeticAscending(options))
+	buf.WriteString(`"}},`)
+
+	ejvw.buf = append(ejvw.buf, buf.Bytes()...)
+
+	ejvw.pop()
+	return nil
+}
+
+func (ejvw *extJSONValueWriter) WriteString(s string) error {
+	if err := ejvw.ensureElementValue(mode(0), "WriteString"); err != nil {
+		return err
+	}
+
+	var buf bytes.Buffer
+	writeStringWithEscapes(s, &buf, ejvw.escapeHTML)
+
+	ejvw.buf = append(ejvw.buf, buf.Bytes()...)
+	ejvw.buf = append(ejvw.buf, ',')
+
+	ejvw.pop()
+	return nil
+}
+
+func (ejvw *extJSONValueWriter) WriteSymbol(symbol string) error {
+	if err := ejvw.ensureElementValue(mode(0), "WriteSymbol"); err != nil {
+		return err
+	}
+
+	var buf bytes.Buffer
+	writeStringWithEscapes(symbol, &buf, ejvw.escapeHTML)
+
+	ejvw.writeExtendedSingleValue("symbol", buf.String(), false)
+	ejvw.buf = append(ejvw.buf, ',')
+
+	ejvw.pop()
+	return nil
+}
+
+func (ejvw *extJSONValueWriter) WriteTimestamp(t uint32, i uint32) error {
+	if err := ejvw.ensureElementValue(mode(0), "WriteTimestamp"); err != nil {
+		return err
+	}
+
+	var buf bytes.Buffer
+	buf.WriteString(`{"$timestamp":{"t":`)
+	buf.WriteString(strconv.FormatUint(uint64(t), 10))
+	buf.WriteString(`,"i":`)
+	buf.WriteString(strconv.FormatUint(uint64(i), 10))
+	buf.WriteString(`}},`)
+
+	ejvw.buf = append(ejvw.buf, buf.Bytes()...)
+
+	ejvw.pop()
+	return nil
+}
+
+func (ejvw *extJSONValueWriter) WriteUndefined() error {
+	if err := ejvw.ensureElementValue(mode(0), "WriteUndefined"); err != nil {
+		return err
+	}
+
+	ejvw.writeExtendedSingleValue("undefined", "true", false)
+	ejvw.buf = append(ejvw.buf, ',')
+
+	ejvw.pop()
+	return nil
+}
+
+func (ejvw *extJSONValueWriter) WriteDocumentElement(key string) (ValueWriter, error) {
+	switch ejvw.stack[ejvw.frame].mode {
+	case mDocument, mTopLevel, mCodeWithScope:
+		var buf bytes.Buffer
+		writeStringWithEscapes(key, &buf, ejvw.escapeHTML)
+
+		ejvw.buf = append(ejvw.buf, []byte(fmt.Sprintf(`%s:`, buf.String()))...)
+		ejvw.push(mElement)
+	default:
+		return nil, ejvw.invalidTransitionErr(mElement, "WriteDocumentElement", []mode{mDocument, mTopLevel, mCodeWithScope})
+	}
+
+	return ejvw, nil
+}
+
+func (ejvw *extJSONValueWriter) WriteDocumentEnd() error {
+	switch ejvw.stack[ejvw.frame].mode {
+	case mDocument, mTopLevel, mCodeWithScope:
+	default:
+		return fmt.Errorf("incorrect mode to end document: %s", ejvw.stack[ejvw.frame].mode)
+	}
+
+	// close the document
+	if ejvw.buf[len(ejvw.buf)-1] == ',' {
+		ejvw.buf[len(ejvw.buf)-1] = '}'
+	} else {
+		ejvw.buf = append(ejvw.buf, '}')
+	}
+
+	switch ejvw.stack[ejvw.frame].mode {
+	case mCodeWithScope:
+		ejvw.buf = append(ejvw.buf, '}')
+		fallthrough
+	case mDocument:
+		ejvw.buf = append(ejvw.buf, ',')
+	case mTopLevel:
+		if ejvw.w != nil {
+			if _, err := ejvw.w.Write(ejvw.buf); err != nil {
+				return err
+			}
+			ejvw.buf = ejvw.buf[:0]
+		}
+	}
+
+	ejvw.pop()
+	return nil
+}
+
+func (ejvw *extJSONValueWriter) WriteArrayElement() (ValueWriter, error) {
+	switch ejvw.stack[ejvw.frame].mode {
+	case mArray:
+		ejvw.push(mValue)
+	default:
+		return nil, ejvw.invalidTransitionErr(mValue, "WriteArrayElement", []mode{mArray})
+	}
+
+	return ejvw, nil
+}
+
+func (ejvw *extJSONValueWriter) WriteArrayEnd() error {
+	switch ejvw.stack[ejvw.frame].mode {
+	case mArray:
+		// close the array
+		if ejvw.buf[len(ejvw.buf)-1] == ',' {
+			ejvw.buf[len(ejvw.buf)-1] = ']'
+		} else {
+			ejvw.buf = append(ejvw.buf, ']')
+		}
+
+		ejvw.buf = append(ejvw.buf, ',')
+
+		ejvw.pop()
+	default:
+		return fmt.Errorf("incorrect mode to end array: %s", ejvw.stack[ejvw.frame].mode)
+	}
+
+	return nil
+}
+
+func formatDouble(f float64) string {
+	var s string
+	if math.IsInf(f, 1) {
+		s = "Infinity"
+	} else if math.IsInf(f, -1) {
+		s = "-Infinity"
+	} else if math.IsNaN(f) {
+		s = "NaN"
+	} else {
+		// Print exactly one decimalType place for integers; otherwise, print as many are necessary to
+		// perfectly represent it.
+		s = strconv.FormatFloat(f, 'G', -1, 64)
+		if !strings.ContainsRune(s, 'E') && !strings.ContainsRune(s, '.') {
+			s += ".0"
+		}
+	}
+
+	return s
+}
+
+var hexChars = "0123456789abcdef"
+
+func writeStringWithEscapes(s string, buf *bytes.Buffer, escapeHTML bool) {
+	buf.WriteByte('"')
+	start := 0
+	for i := 0; i < len(s); {
+		if b := s[i]; b < utf8.RuneSelf {
+			if htmlSafeSet[b] || (!escapeHTML && safeSet[b]) {
+				i++
+				continue
+			}
+			if start < i {
+				buf.WriteString(s[start:i])
+			}
+			switch b {
+			case '\\', '"':
+				buf.WriteByte('\\')
+				buf.WriteByte(b)
+			case '\n':
+				buf.WriteByte('\\')
+				buf.WriteByte('n')
+			case '\r':
+				buf.WriteByte('\\')
+				buf.WriteByte('r')
+			case '\t':
+				buf.WriteByte('\\')
+				buf.WriteByte('t')
+			case '\b':
+				buf.WriteByte('\\')
+				buf.WriteByte('b')
+			case '\f':
+				buf.WriteByte('\\')
+				buf.WriteByte('f')
+			default:
+				// This encodes bytes < 0x20 except for \t, \n and \r.
+				// If escapeHTML is set, it also escapes <, >, and &
+				// because they can lead to security holes when
+				// user-controlled strings are rendered into JSON
+				// and served to some browsers.
+				buf.WriteString(`\u00`)
+				buf.WriteByte(hexChars[b>>4])
+				buf.WriteByte(hexChars[b&0xF])
+			}
+			i++
+			start = i
+			continue
+		}
+		c, size := utf8.DecodeRuneInString(s[i:])
+		if c == utf8.RuneError && size == 1 {
+			if start < i {
+				buf.WriteString(s[start:i])
+			}
+			buf.WriteString(`\ufffd`)
+			i += size
+			start = i
+			continue
+		}
+		// U+2028 is LINE SEPARATOR.
+		// U+2029 is PARAGRAPH SEPARATOR.
+		// They are both technically valid characters in JSON strings,
+		// but don't work in JSONP, which has to be evaluated as JavaScript,
+		// and can lead to security holes there. It is valid JSON to
+		// escape them, so we do so unconditionally.
+		// See http://timelessrepo.com/json-isnt-a-javascript-subset for discussion.
+		if c == '\u2028' || c == '\u2029' {
+			if start < i {
+				buf.WriteString(s[start:i])
+			}
+			buf.WriteString(`\u202`)
+			buf.WriteByte(hexChars[c&0xF])
+			i += size
+			start = i
+			continue
+		}
+		i += size
+	}
+	if start < len(s) {
+		buf.WriteString(s[start:])
+	}
+	buf.WriteByte('"')
+}
+
+type sortableString []rune
+
+func (ss sortableString) Len() int {
+	return len(ss)
+}
+
+func (ss sortableString) Less(i, j int) bool {
+	return ss[i] < ss[j]
+}
+
+func (ss sortableString) Swap(i, j int) {
+	oldI := ss[i]
+	ss[i] = ss[j]
+	ss[j] = oldI
+}
+
+func sortStringAlphebeticAscending(s string) string {
+	ss := sortableString([]rune(s))
+	sort.Sort(ss)
+	return string([]rune(ss))
+}
diff --git a/vendor/go.mongodb.org/mongo-driver/bson/bsonrw/json_scanner.go b/vendor/go.mongodb.org/mongo-driver/bson/bsonrw/json_scanner.go
new file mode 100644
index 000000000..cd4843a3a
--- /dev/null
+++ b/vendor/go.mongodb.org/mongo-driver/bson/bsonrw/json_scanner.go
@@ -0,0 +1,528 @@
+// Copyright (C) MongoDB, Inc. 2017-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+
+package bsonrw
+
+import (
+	"bytes"
+	"errors"
+	"fmt"
+	"io"
+	"math"
+	"strconv"
+	"unicode"
+	"unicode/utf16"
+)
+
+type jsonTokenType byte
+
+const (
+	jttBeginObject jsonTokenType = iota
+	jttEndObject
+	jttBeginArray
+	jttEndArray
+	jttColon
+	jttComma
+	jttInt32
+	jttInt64
+	jttDouble
+	jttString
+	jttBool
+	jttNull
+	jttEOF
+)
+
+type jsonToken struct {
+	t jsonTokenType
+	v interface{}
+	p int
+}
+
+type jsonScanner struct {
+	r           io.Reader
+	buf         []byte
+	pos         int
+	lastReadErr error
+}
+
+// nextToken returns the next JSON token if one exists. A token is a character
+// of the JSON grammar, a number, a string, or a literal.
+func (js *jsonScanner) nextToken() (*jsonToken, error) {
+	c, err := js.readNextByte()
+
+	// keep reading until a non-space is encountered (break on read error or EOF)
+	for isWhiteSpace(c) && err == nil {
+		c, err = js.readNextByte()
+	}
+
+	if err == io.EOF {
+		return &jsonToken{t: jttEOF}, nil
+	} else if err != nil {
+		return nil, err
+	}
+
+	// switch on the character
+	switch c {
+	case '{':
+		return &jsonToken{t: jttBeginObject, v: byte('{'), p: js.pos - 1}, nil
+	case '}':
+		return &jsonToken{t: jttEndObject, v: byte('}'), p: js.pos - 1}, nil
+	case '[':
+		return &jsonToken{t: jttBeginArray, v: byte('['), p: js.pos - 1}, nil
+	case ']':
+		return &jsonToken{t: jttEndArray, v: byte(']'), p: js.pos - 1}, nil
+	case ':':
+		return &jsonToken{t: jttColon, v: byte(':'), p: js.pos - 1}, nil
+	case ',':
+		return &jsonToken{t: jttComma, v: byte(','), p: js.pos - 1}, nil
+	case '"': // RFC-8259 only allows for double quotes (") not single (')
+		return js.scanString()
+	default:
+		// check if it's a number
+		if c == '-' || isDigit(c) {
+			return js.scanNumber(c)
+		} else if c == 't' || c == 'f' || c == 'n' {
+			// maybe a literal
+			return js.scanLiteral(c)
+		} else {
+			return nil, fmt.Errorf("invalid JSON input. Position: %d. Character: %c", js.pos-1, c)
+		}
+	}
+}
+
+// readNextByte attempts to read the next byte from the buffer. If the buffer
+// has been exhausted, this function calls readIntoBuf, thus refilling the
+// buffer and resetting the read position to 0
+func (js *jsonScanner) readNextByte() (byte, error) {
+	if js.pos >= len(js.buf) {
+		err := js.readIntoBuf()
+
+		if err != nil {
+			return 0, err
+		}
+	}
+
+	b := js.buf[js.pos]
+	js.pos++
+
+	return b, nil
+}
+
+// readNNextBytes reads n bytes into dst, starting at offset
+func (js *jsonScanner) readNNextBytes(dst []byte, n, offset int) error {
+	var err error
+
+	for i := 0; i < n; i++ {
+		dst[i+offset], err = js.readNextByte()
+		if err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+// readIntoBuf reads up to 512 bytes from the scanner's io.Reader into the buffer
+func (js *jsonScanner) readIntoBuf() error {
+	if js.lastReadErr != nil {
+		js.buf = js.buf[:0]
+		js.pos = 0
+		return js.lastReadErr
+	}
+
+	if cap(js.buf) == 0 {
+		js.buf = make([]byte, 0, 512)
+	}
+
+	n, err := js.r.Read(js.buf[:cap(js.buf)])
+	if err != nil {
+		js.lastReadErr = err
+		if n > 0 {
+			err = nil
+		}
+	}
+	js.buf = js.buf[:n]
+	js.pos = 0
+
+	return err
+}
+
+func isWhiteSpace(c byte) bool {
+	return c == ' ' || c == '\t' || c == '\r' || c == '\n'
+}
+
+func isDigit(c byte) bool {
+	return unicode.IsDigit(rune(c))
+}
+
+func isValueTerminator(c byte) bool {
+	return c == ',' || c == '}' || c == ']' || isWhiteSpace(c)
+}
+
+// getu4 decodes the 4-byte hex sequence from the beginning of s, returning the hex value as a rune,
+// or it returns -1. Note that the "\u" from the unicode escape sequence should not be present.
+// It is copied and lightly modified from the Go JSON decode function at
+// https://github.com/golang/go/blob/1b0a0316802b8048d69da49dc23c5a5ab08e8ae8/src/encoding/json/decode.go#L1169-L1188
+func getu4(s []byte) rune {
+	if len(s) < 4 {
+		return -1
+	}
+	var r rune
+	for _, c := range s[:4] {
+		switch {
+		case '0' <= c && c <= '9':
+			c = c - '0'
+		case 'a' <= c && c <= 'f':
+			c = c - 'a' + 10
+		case 'A' <= c && c <= 'F':
+			c = c - 'A' + 10
+		default:
+			return -1
+		}
+		r = r*16 + rune(c)
+	}
+	return r
+}
+
+// scanString reads from an opening '"' to a closing '"' and handles escaped characters
+func (js *jsonScanner) scanString() (*jsonToken, error) {
+	var b bytes.Buffer
+	var c byte
+	var err error
+
+	p := js.pos - 1
+
+	for {
+		c, err = js.readNextByte()
+		if err != nil {
+			if err == io.EOF {
+				return nil, errors.New("end of input in JSON string")
+			}
+			return nil, err
+		}
+
+	evalNextChar:
+		switch c {
+		case '\\':
+			c, err = js.readNextByte()
+			if err != nil {
+				if err == io.EOF {
+					return nil, errors.New("end of input in JSON string")
+				}
+				return nil, err
+			}
+
+		evalNextEscapeChar:
+			switch c {
+			case '"', '\\', '/':
+				b.WriteByte(c)
+			case 'b':
+				b.WriteByte('\b')
+			case 'f':
+				b.WriteByte('\f')
+			case 'n':
+				b.WriteByte('\n')
+			case 'r':
+				b.WriteByte('\r')
+			case 't':
+				b.WriteByte('\t')
+			case 'u':
+				us := make([]byte, 4)
+				err = js.readNNextBytes(us, 4, 0)
+				if err != nil {
+					return nil, fmt.Errorf("invalid unicode sequence in JSON string: %s", us)
+				}
+
+				rn := getu4(us)
+
+				// If the rune we just decoded is the high or low value of a possible surrogate pair,
+				// try to decode the next sequence as the low value of a surrogate pair. We're
+				// expecting the next sequence to be another Unicode escape sequence (e.g. "\uDD1E"),
+				// but need to handle cases where the input is not a valid surrogate pair.
+				// For more context on unicode surrogate pairs, see:
+				// https://www.christianfscott.com/rust-chars-vs-go-runes/
+				// https://www.unicode.org/glossary/#high_surrogate_code_point
+				if utf16.IsSurrogate(rn) {
+					c, err = js.readNextByte()
+					if err != nil {
+						if err == io.EOF {
+							return nil, errors.New("end of input in JSON string")
+						}
+						return nil, err
+					}
+
+					// If the next value isn't the beginning of a backslash escape sequence, write
+					// the Unicode replacement character for the surrogate value and goto the
+					// beginning of the next char eval block.
+					if c != '\\' {
+						b.WriteRune(unicode.ReplacementChar)
+						goto evalNextChar
+					}
+
+					c, err = js.readNextByte()
+					if err != nil {
+						if err == io.EOF {
+							return nil, errors.New("end of input in JSON string")
+						}
+						return nil, err
+					}
+
+					// If the next value isn't the beginning of a unicode escape sequence, write the
+					// Unicode replacement character for the surrogate value and goto the beginning
+					// of the next escape char eval block.
+					if c != 'u' {
+						b.WriteRune(unicode.ReplacementChar)
+						goto evalNextEscapeChar
+					}
+
+					err = js.readNNextBytes(us, 4, 0)
+					if err != nil {
+						return nil, fmt.Errorf("invalid unicode sequence in JSON string: %s", us)
+					}
+
+					rn2 := getu4(us)
+
+					// Try to decode the pair of runes as a utf16 surrogate pair. If that fails, write
+					// the Unicode replacement character for the surrogate value and the 2nd decoded rune.
+					if rnPair := utf16.DecodeRune(rn, rn2); rnPair != unicode.ReplacementChar {
+						b.WriteRune(rnPair)
+					} else {
+						b.WriteRune(unicode.ReplacementChar)
+						b.WriteRune(rn2)
+					}
+
+					break
+				}
+
+				b.WriteRune(rn)
+			default:
+				return nil, fmt.Errorf("invalid escape sequence in JSON string '\\%c'", c)
+			}
+		case '"':
+			return &jsonToken{t: jttString, v: b.String(), p: p}, nil
+		default:
+			b.WriteByte(c)
+		}
+	}
+}
+
+// scanLiteral reads an unquoted sequence of characters and determines if it is one of
+// three valid JSON literals (true, false, null); if so, it returns the appropriate
+// jsonToken; otherwise, it returns an error
+func (js *jsonScanner) scanLiteral(first byte) (*jsonToken, error) {
+	p := js.pos - 1
+
+	lit := make([]byte, 4)
+	lit[0] = first
+
+	err := js.readNNextBytes(lit, 3, 1)
+	if err != nil {
+		return nil, err
+	}
+
+	c5, err := js.readNextByte()
+
+	if bytes.Equal([]byte("true"), lit) && (isValueTerminator(c5) || err == io.EOF) {
+		js.pos = int(math.Max(0, float64(js.pos-1)))
+		return &jsonToken{t: jttBool, v: true, p: p}, nil
+	} else if bytes.Equal([]byte("null"), lit) && (isValueTerminator(c5) || err == io.EOF) {
+		js.pos = int(math.Max(0, float64(js.pos-1)))
+		return &jsonToken{t: jttNull, v: nil, p: p}, nil
+	} else if bytes.Equal([]byte("fals"), lit) {
+		if c5 == 'e' {
+			c5, err = js.readNextByte()
+
+			if isValueTerminator(c5) || err == io.EOF {
+				js.pos = int(math.Max(0, float64(js.pos-1)))
+				return &jsonToken{t: jttBool, v: false, p: p}, nil
+			}
+		}
+	}
+
+	return nil, fmt.Errorf("invalid JSON literal. Position: %d, literal: %s", p, lit)
+}
+
+type numberScanState byte
+
+const (
+	nssSawLeadingMinus numberScanState = iota
+	nssSawLeadingZero
+	nssSawIntegerDigits
+	nssSawDecimalPoint
+	nssSawFractionDigits
+	nssSawExponentLetter
+	nssSawExponentSign
+	nssSawExponentDigits
+	nssDone
+	nssInvalid
+)
+
+// scanNumber reads a JSON number (according to RFC-8259)
+func (js *jsonScanner) scanNumber(first byte) (*jsonToken, error) {
+	var b bytes.Buffer
+	var s numberScanState
+	var c byte
+	var err error
+
+	t := jttInt64 // assume it's an int64 until the type can be determined
+	start := js.pos - 1
+
+	b.WriteByte(first)
+
+	switch first {
+	case '-':
+		s = nssSawLeadingMinus
+	case '0':
+		s = nssSawLeadingZero
+	default:
+		s = nssSawIntegerDigits
+	}
+
+	for {
+		c, err = js.readNextByte()
+
+		if err != nil && err != io.EOF {
+			return nil, err
+		}
+
+		switch s {
+		case nssSawLeadingMinus:
+			switch c {
+			case '0':
+				s = nssSawLeadingZero
+				b.WriteByte(c)
+			default:
+				if isDigit(c) {
+					s = nssSawIntegerDigits
+					b.WriteByte(c)
+				} else {
+					s = nssInvalid
+				}
+			}
+		case nssSawLeadingZero:
+			switch c {
+			case '.':
+				s = nssSawDecimalPoint
+				b.WriteByte(c)
+			case 'e', 'E':
+				s = nssSawExponentLetter
+				b.WriteByte(c)
+			case '}', ']', ',':
+				s = nssDone
+			default:
+				if isWhiteSpace(c) || err == io.EOF {
+					s = nssDone
+				} else {
+					s = nssInvalid
+				}
+			}
+		case nssSawIntegerDigits:
+			switch c {
+			case '.':
+				s = nssSawDecimalPoint
+				b.WriteByte(c)
+			case 'e', 'E':
+				s = nssSawExponentLetter
+				b.WriteByte(c)
+			case '}', ']', ',':
+				s = nssDone
+			default:
+				if isWhiteSpace(c) || err == io.EOF {
+					s = nssDone
+				} else if isDigit(c) {
+					s = nssSawIntegerDigits
+					b.WriteByte(c)
+				} else {
+					s = nssInvalid
+				}
+			}
+		case nssSawDecimalPoint:
+			t = jttDouble
+			if isDigit(c) {
+				s = nssSawFractionDigits
+				b.WriteByte(c)
+			} else {
+				s = nssInvalid
+			}
+		case nssSawFractionDigits:
+			switch c {
+			case 'e', 'E':
+				s = nssSawExponentLetter
+				b.WriteByte(c)
+			case '}', ']', ',':
+				s = nssDone
+			default:
+				if isWhiteSpace(c) || err == io.EOF {
+					s = nssDone
+				} else if isDigit(c) {
+					s = nssSawFractionDigits
+					b.WriteByte(c)
+				} else {
+					s = nssInvalid
+				}
+			}
+		case nssSawExponentLetter:
+			t = jttDouble
+			switch c {
+			case '+', '-':
+				s = nssSawExponentSign
+				b.WriteByte(c)
+			default:
+				if isDigit(c) {
+					s = nssSawExponentDigits
+					b.WriteByte(c)
+				} else {
+					s = nssInvalid
+				}
+			}
+		case nssSawExponentSign:
+			if isDigit(c) {
+				s = nssSawExponentDigits
+				b.WriteByte(c)
+			} else {
+				s = nssInvalid
+			}
+		case nssSawExponentDigits:
+			switch c {
+			case '}', ']', ',':
+				s = nssDone
+			default:
+				if isWhiteSpace(c) || err == io.EOF {
+					s = nssDone
+				} else if isDigit(c) {
+					s = nssSawExponentDigits
+					b.WriteByte(c)
+				} else {
+					s = nssInvalid
+				}
+			}
+		}
+
+		switch s {
+		case nssInvalid:
+			return nil, fmt.Errorf("invalid JSON number. Position: %d", start)
+		case nssDone:
+			js.pos = int(math.Max(0, float64(js.pos-1)))
+			if t != jttDouble {
+				v, err := strconv.ParseInt(b.String(), 10, 64)
+				if err == nil {
+					if v < math.MinInt32 || v > math.MaxInt32 {
+						return &jsonToken{t: jttInt64, v: v, p: start}, nil
+					}
+
+					return &jsonToken{t: jttInt32, v: int32(v), p: start}, nil
+				}
+			}
+
+			v, err := strconv.ParseFloat(b.String(), 64)
+			if err != nil {
+				return nil, err
+			}
+
+			return &jsonToken{t: jttDouble, v: v, p: start}, nil
+		}
+	}
+}
diff --git a/vendor/go.mongodb.org/mongo-driver/bson/bsonrw/mode.go b/vendor/go.mongodb.org/mongo-driver/bson/bsonrw/mode.go
new file mode 100644
index 000000000..617b5e221
--- /dev/null
+++ b/vendor/go.mongodb.org/mongo-driver/bson/bsonrw/mode.go
@@ -0,0 +1,108 @@
+// Copyright (C) MongoDB, Inc. 2017-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+
+package bsonrw
+
+import (
+	"fmt"
+)
+
+type mode int
+
+const (
+	_ mode = iota
+	mTopLevel
+	mDocument
+	mArray
+	mValue
+	mElement
+	mCodeWithScope
+	mSpacer
+)
+
+func (m mode) String() string {
+	var str string
+
+	switch m {
+	case mTopLevel:
+		str = "TopLevel"
+	case mDocument:
+		str = "DocumentMode"
+	case mArray:
+		str = "ArrayMode"
+	case mValue:
+		str = "ValueMode"
+	case mElement:
+		str = "ElementMode"
+	case mCodeWithScope:
+		str = "CodeWithScopeMode"
+	case mSpacer:
+		str = "CodeWithScopeSpacerFrame"
+	default:
+		str = "UnknownMode"
+	}
+
+	return str
+}
+
+func (m mode) TypeString() string {
+	var str string
+
+	switch m {
+	case mTopLevel:
+		str = "TopLevel"
+	case mDocument:
+		str = "Document"
+	case mArray:
+		str = "Array"
+	case mValue:
+		str = "Value"
+	case mElement:
+		str = "Element"
+	case mCodeWithScope:
+		str = "CodeWithScope"
+	case mSpacer:
+		str = "CodeWithScopeSpacer"
+	default:
+		str = "Unknown"
+	}
+
+	return str
+}
+
+// TransitionError is an error returned when an invalid progressing a
+// ValueReader or ValueWriter state machine occurs.
+// If read is false, the error is for writing
+type TransitionError struct {
+	name        string
+	parent      mode
+	current     mode
+	destination mode
+	modes       []mode
+	action      string
+}
+
+func (te TransitionError) Error() string {
+	errString := fmt.Sprintf("%s can only %s", te.name, te.action)
+	if te.destination != mode(0) {
+		errString = fmt.Sprintf("%s a %s", errString, te.destination.TypeString())
+	}
+	errString = fmt.Sprintf("%s while positioned on a", errString)
+	for ind, m := range te.modes {
+		if ind != 0 && len(te.modes) > 2 {
+			errString = fmt.Sprintf("%s,", errString)
+		}
+		if ind == len(te.modes)-1 && len(te.modes) > 1 {
+			errString = fmt.Sprintf("%s or", errString)
+		}
+		errString = fmt.Sprintf("%s %s", errString, m.TypeString())
+	}
+	errString = fmt.Sprintf("%s but is positioned on a %s", errString, te.current.TypeString())
+	if te.parent != mode(0) {
+		errString = fmt.Sprintf("%s with parent %s", errString, te.parent.TypeString())
+	}
+	return errString
+}
diff --git a/vendor/go.mongodb.org/mongo-driver/bson/bsonrw/reader.go b/vendor/go.mongodb.org/mongo-driver/bson/bsonrw/reader.go
new file mode 100644
index 000000000..0b8fa28d5
--- /dev/null
+++ b/vendor/go.mongodb.org/mongo-driver/bson/bsonrw/reader.go
@@ -0,0 +1,63 @@
+// Copyright (C) MongoDB, Inc. 2017-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+
+package bsonrw
+
+import (
+	"go.mongodb.org/mongo-driver/bson/bsontype"
+	"go.mongodb.org/mongo-driver/bson/primitive"
+)
+
+// ArrayReader is implemented by types that allow reading values from a BSON
+// array.
+type ArrayReader interface {
+	ReadValue() (ValueReader, error)
+}
+
+// DocumentReader is implemented by types that allow reading elements from a
+// BSON document.
+type DocumentReader interface {
+	ReadElement() (string, ValueReader, error)
+}
+
+// ValueReader is a generic interface used to read values from BSON. This type
+// is implemented by several types with different underlying representations of
+// BSON, such as a bson.Document, raw BSON bytes, or extended JSON.
+type ValueReader interface {
+	Type() bsontype.Type
+	Skip() error
+
+	ReadArray() (ArrayReader, error)
+	ReadBinary() (b []byte, btype byte, err error)
+	ReadBoolean() (bool, error)
+	ReadDocument() (DocumentReader, error)
+	ReadCodeWithScope() (code string, dr DocumentReader, err error)
+	ReadDBPointer() (ns string, oid primitive.ObjectID, err error)
+	ReadDateTime() (int64, error)
+	ReadDecimal128() (primitive.Decimal128, error)
+	ReadDouble() (float64, error)
+	ReadInt32() (int32, error)
+	ReadInt64() (int64, error)
+	ReadJavascript() (code string, err error)
+	ReadMaxKey() error
+	ReadMinKey() error
+	ReadNull() error
+	ReadObjectID() (primitive.ObjectID, error)
+	ReadRegex() (pattern, options string, err error)
+	ReadString() (string, error)
+	ReadSymbol() (symbol string, err error)
+	ReadTimestamp() (t, i uint32, err error)
+	ReadUndefined() error
+}
+
+// BytesReader is a generic interface used to read BSON bytes from a
+// ValueReader. This imterface is meant to be a superset of ValueReader, so that
+// types that implement ValueReader may also implement this interface.
+//
+// The bytes of the value will be appended to dst.
+type BytesReader interface {
+	ReadValueBytes(dst []byte) (bsontype.Type, []byte, error)
+}
diff --git a/vendor/go.mongodb.org/mongo-driver/bson/bsonrw/value_reader.go b/vendor/go.mongodb.org/mongo-driver/bson/bsonrw/value_reader.go
new file mode 100644
index 000000000..ef5d837c2
--- /dev/null
+++ b/vendor/go.mongodb.org/mongo-driver/bson/bsonrw/value_reader.go
@@ -0,0 +1,874 @@
+// Copyright (C) MongoDB, Inc. 2017-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+
+package bsonrw
+
+import (
+	"bytes"
+	"encoding/binary"
+	"errors"
+	"fmt"
+	"io"
+	"math"
+	"sync"
+
+	"go.mongodb.org/mongo-driver/bson/bsontype"
+	"go.mongodb.org/mongo-driver/bson/primitive"
+)
+
+var _ ValueReader = (*valueReader)(nil)
+
+var vrPool = sync.Pool{
+	New: func() interface{} {
+		return new(valueReader)
+	},
+}
+
+// BSONValueReaderPool is a pool for ValueReaders that read BSON.
+type BSONValueReaderPool struct {
+	pool sync.Pool
+}
+
+// NewBSONValueReaderPool instantiates a new BSONValueReaderPool.
+func NewBSONValueReaderPool() *BSONValueReaderPool {
+	return &BSONValueReaderPool{
+		pool: sync.Pool{
+			New: func() interface{} {
+				return new(valueReader)
+			},
+		},
+	}
+}
+
+// Get retrieves a ValueReader from the pool and uses src as the underlying BSON.
+func (bvrp *BSONValueReaderPool) Get(src []byte) ValueReader {
+	vr := bvrp.pool.Get().(*valueReader)
+	vr.reset(src)
+	return vr
+}
+
+// Put inserts a ValueReader into the pool. If the ValueReader is not a BSON ValueReader nothing
+// is inserted into the pool and ok will be false.
+func (bvrp *BSONValueReaderPool) Put(vr ValueReader) (ok bool) {
+	bvr, ok := vr.(*valueReader)
+	if !ok {
+		return false
+	}
+
+	bvr.reset(nil)
+	bvrp.pool.Put(bvr)
+	return true
+}
+
+// ErrEOA is the error returned when the end of a BSON array has been reached.
+var ErrEOA = errors.New("end of array")
+
+// ErrEOD is the error returned when the end of a BSON document has been reached.
+var ErrEOD = errors.New("end of document")
+
+type vrState struct {
+	mode  mode
+	vType bsontype.Type
+	end   int64
+}
+
+// valueReader is for reading BSON values.
+type valueReader struct {
+	offset int64
+	d      []byte
+
+	stack []vrState
+	frame int64
+}
+
+// NewBSONDocumentReader returns a ValueReader using b for the underlying BSON
+// representation. Parameter b must be a BSON Document.
+func NewBSONDocumentReader(b []byte) ValueReader {
+	// TODO(skriptble): There's a lack of symmetry between the reader and writer, since the reader takes a []byte while the
+	// TODO writer takes an io.Writer. We should have two versions of each, one that takes a []byte and one that takes an
+	// TODO io.Reader or io.Writer. The []byte version will need to return a thing that can return the finished []byte since
+	// TODO it might be reallocated when appended to.
+	return newValueReader(b)
+}
+
+// NewBSONValueReader returns a ValueReader that starts in the Value mode instead of in top
+// level document mode. This enables the creation of a ValueReader for a single BSON value.
+func NewBSONValueReader(t bsontype.Type, val []byte) ValueReader {
+	stack := make([]vrState, 1, 5)
+	stack[0] = vrState{
+		mode:  mValue,
+		vType: t,
+	}
+	return &valueReader{
+		d:     val,
+		stack: stack,
+	}
+}
+
+func newValueReader(b []byte) *valueReader {
+	stack := make([]vrState, 1, 5)
+	stack[0] = vrState{
+		mode: mTopLevel,
+	}
+	return &valueReader{
+		d:     b,
+		stack: stack,
+	}
+}
+
+func (vr *valueReader) reset(b []byte) {
+	if vr.stack == nil {
+		vr.stack = make([]vrState, 1, 5)
+	}
+	vr.stack = vr.stack[:1]
+	vr.stack[0] = vrState{mode: mTopLevel}
+	vr.d = b
+	vr.offset = 0
+	vr.frame = 0
+}
+
+func (vr *valueReader) advanceFrame() {
+	if vr.frame+1 >= int64(len(vr.stack)) { // We need to grow the stack
+		length := len(vr.stack)
+		if length+1 >= cap(vr.stack) {
+			// double it
+			buf := make([]vrState, 2*cap(vr.stack)+1)
+			copy(buf, vr.stack)
+			vr.stack = buf
+		}
+		vr.stack = vr.stack[:length+1]
+	}
+	vr.frame++
+
+	// Clean the stack
+	vr.stack[vr.frame].mode = 0
+	vr.stack[vr.frame].vType = 0
+	vr.stack[vr.frame].end = 0
+}
+
+func (vr *valueReader) pushDocument() error {
+	vr.advanceFrame()
+
+	vr.stack[vr.frame].mode = mDocument
+
+	size, err := vr.readLength()
+	if err != nil {
+		return err
+	}
+	vr.stack[vr.frame].end = int64(size) + vr.offset - 4
+
+	return nil
+}
+
+func (vr *valueReader) pushArray() error {
+	vr.advanceFrame()
+
+	vr.stack[vr.frame].mode = mArray
+
+	size, err := vr.readLength()
+	if err != nil {
+		return err
+	}
+	vr.stack[vr.frame].end = int64(size) + vr.offset - 4
+
+	return nil
+}
+
+func (vr *valueReader) pushElement(t bsontype.Type) {
+	vr.advanceFrame()
+
+	vr.stack[vr.frame].mode = mElement
+	vr.stack[vr.frame].vType = t
+}
+
+func (vr *valueReader) pushValue(t bsontype.Type) {
+	vr.advanceFrame()
+
+	vr.stack[vr.frame].mode = mValue
+	vr.stack[vr.frame].vType = t
+}
+
+func (vr *valueReader) pushCodeWithScope() (int64, error) {
+	vr.advanceFrame()
+
+	vr.stack[vr.frame].mode = mCodeWithScope
+
+	size, err := vr.readLength()
+	if err != nil {
+		return 0, err
+	}
+	vr.stack[vr.frame].end = int64(size) + vr.offset - 4
+
+	return int64(size), nil
+}
+
+func (vr *valueReader) pop() {
+	switch vr.stack[vr.frame].mode {
+	case mElement, mValue:
+		vr.frame--
+	case mDocument, mArray, mCodeWithScope:
+		vr.frame -= 2 // we pop twice to jump over the vrElement: vrDocument -> vrElement -> vrDocument/TopLevel/etc...
+	}
+}
+
+func (vr *valueReader) invalidTransitionErr(destination mode, name string, modes []mode) error {
+	te := TransitionError{
+		name:        name,
+		current:     vr.stack[vr.frame].mode,
+		destination: destination,
+		modes:       modes,
+		action:      "read",
+	}
+	if vr.frame != 0 {
+		te.parent = vr.stack[vr.frame-1].mode
+	}
+	return te
+}
+
+func (vr *valueReader) typeError(t bsontype.Type) error {
+	return fmt.Errorf("positioned on %s, but attempted to read %s", vr.stack[vr.frame].vType, t)
+}
+
+func (vr *valueReader) invalidDocumentLengthError() error {
+	return fmt.Errorf("document is invalid, end byte is at %d, but null byte found at %d", vr.stack[vr.frame].end, vr.offset)
+}
+
+func (vr *valueReader) ensureElementValue(t bsontype.Type, destination mode, callerName string) error {
+	switch vr.stack[vr.frame].mode {
+	case mElement, mValue:
+		if vr.stack[vr.frame].vType != t {
+			return vr.typeError(t)
+		}
+	default:
+		return vr.invalidTransitionErr(destination, callerName, []mode{mElement, mValue})
+	}
+
+	return nil
+}
+
+func (vr *valueReader) Type() bsontype.Type {
+	return vr.stack[vr.frame].vType
+}
+
+func (vr *valueReader) nextElementLength() (int32, error) {
+	var length int32
+	var err error
+	switch vr.stack[vr.frame].vType {
+	case bsontype.Array, bsontype.EmbeddedDocument, bsontype.CodeWithScope:
+		length, err = vr.peekLength()
+	case bsontype.Binary:
+		length, err = vr.peekLength()
+		length += 4 + 1 // binary length + subtype byte
+	case bsontype.Boolean:
+		length = 1
+	case bsontype.DBPointer:
+		length, err = vr.peekLength()
+		length += 4 + 12 // string length + ObjectID length
+	case bsontype.DateTime, bsontype.Double, bsontype.Int64, bsontype.Timestamp:
+		length = 8
+	case bsontype.Decimal128:
+		length = 16
+	case bsontype.Int32:
+		length = 4
+	case bsontype.JavaScript, bsontype.String, bsontype.Symbol:
+		length, err = vr.peekLength()
+		length += 4
+	case bsontype.MaxKey, bsontype.MinKey, bsontype.Null, bsontype.Undefined:
+		length = 0
+	case bsontype.ObjectID:
+		length = 12
+	case bsontype.Regex:
+		regex := bytes.IndexByte(vr.d[vr.offset:], 0x00)
+		if regex < 0 {
+			err = io.EOF
+			break
+		}
+		pattern := bytes.IndexByte(vr.d[vr.offset+int64(regex)+1:], 0x00)
+		if pattern < 0 {
+			err = io.EOF
+			break
+		}
+		length = int32(int64(regex) + 1 + int64(pattern) + 1)
+	default:
+		return 0, fmt.Errorf("attempted to read bytes of unknown BSON type %v", vr.stack[vr.frame].vType)
+	}
+
+	return length, err
+}
+
+func (vr *valueReader) ReadValueBytes(dst []byte) (bsontype.Type, []byte, error) {
+	switch vr.stack[vr.frame].mode {
+	case mTopLevel:
+		length, err := vr.peekLength()
+		if err != nil {
+			return bsontype.Type(0), nil, err
+		}
+		dst, err = vr.appendBytes(dst, length)
+		if err != nil {
+			return bsontype.Type(0), nil, err
+		}
+		return bsontype.Type(0), dst, nil
+	case mElement, mValue:
+		length, err := vr.nextElementLength()
+		if err != nil {
+			return bsontype.Type(0), dst, err
+		}
+
+		dst, err = vr.appendBytes(dst, length)
+		t := vr.stack[vr.frame].vType
+		vr.pop()
+		return t, dst, err
+	default:
+		return bsontype.Type(0), nil, vr.invalidTransitionErr(0, "ReadValueBytes", []mode{mElement, mValue})
+	}
+}
+
+func (vr *valueReader) Skip() error {
+	switch vr.stack[vr.frame].mode {
+	case mElement, mValue:
+	default:
+		return vr.invalidTransitionErr(0, "Skip", []mode{mElement, mValue})
+	}
+
+	length, err := vr.nextElementLength()
+	if err != nil {
+		return err
+	}
+
+	err = vr.skipBytes(length)
+	vr.pop()
+	return err
+}
+
+func (vr *valueReader) ReadArray() (ArrayReader, error) {
+	if err := vr.ensureElementValue(bsontype.Array, mArray, "ReadArray"); err != nil {
+		return nil, err
+	}
+
+	err := vr.pushArray()
+	if err != nil {
+		return nil, err
+	}
+
+	return vr, nil
+}
+
+func (vr *valueReader) ReadBinary() (b []byte, btype byte, err error) {
+	if err := vr.ensureElementValue(bsontype.Binary, 0, "ReadBinary"); err != nil {
+		return nil, 0, err
+	}
+
+	length, err := vr.readLength()
+	if err != nil {
+		return nil, 0, err
+	}
+
+	btype, err = vr.readByte()
+	if err != nil {
+		return nil, 0, err
+	}
+
+	// Check length in case it is an old binary without a length.
+	if btype == 0x02 && length > 4 {
+		length, err = vr.readLength()
+		if err != nil {
+			return nil, 0, err
+		}
+	}
+
+	b, err = vr.readBytes(length)
+	if err != nil {
+		return nil, 0, err
+	}
+	// Make a copy of the returned byte slice because it's just a subslice from the valueReader's
+	// buffer and is not safe to return in the unmarshaled value.
+	cp := make([]byte, len(b))
+	copy(cp, b)
+
+	vr.pop()
+	return cp, btype, nil
+}
+
+func (vr *valueReader) ReadBoolean() (bool, error) {
+	if err := vr.ensureElementValue(bsontype.Boolean, 0, "ReadBoolean"); err != nil {
+		return false, err
+	}
+
+	b, err := vr.readByte()
+	if err != nil {
+		return false, err
+	}
+
+	if b > 1 {
+		return false, fmt.Errorf("invalid byte for boolean, %b", b)
+	}
+
+	vr.pop()
+	return b == 1, nil
+}
+
+func (vr *valueReader) ReadDocument() (DocumentReader, error) {
+	switch vr.stack[vr.frame].mode {
+	case mTopLevel:
+		// read size
+		size, err := vr.readLength()
+		if err != nil {
+			return nil, err
+		}
+		if int(size) != len(vr.d) {
+			return nil, fmt.Errorf("invalid document length")
+		}
+		vr.stack[vr.frame].end = int64(size) + vr.offset - 4
+		return vr, nil
+	case mElement, mValue:
+		if vr.stack[vr.frame].vType != bsontype.EmbeddedDocument {
+			return nil, vr.typeError(bsontype.EmbeddedDocument)
+		}
+	default:
+		return nil, vr.invalidTransitionErr(mDocument, "ReadDocument", []mode{mTopLevel, mElement, mValue})
+	}
+
+	err := vr.pushDocument()
+	if err != nil {
+		return nil, err
+	}
+
+	return vr, nil
+}
+
+func (vr *valueReader) ReadCodeWithScope() (code string, dr DocumentReader, err error) {
+	if err := vr.ensureElementValue(bsontype.CodeWithScope, 0, "ReadCodeWithScope"); err != nil {
+		return "", nil, err
+	}
+
+	totalLength, err := vr.readLength()
+	if err != nil {
+		return "", nil, err
+	}
+	strLength, err := vr.readLength()
+	if err != nil {
+		return "", nil, err
+	}
+	if strLength <= 0 {
+		return "", nil, fmt.Errorf("invalid string length: %d", strLength)
+	}
+	strBytes, err := vr.readBytes(strLength)
+	if err != nil {
+		return "", nil, err
+	}
+	code = string(strBytes[:len(strBytes)-1])
+
+	size, err := vr.pushCodeWithScope()
+	if err != nil {
+		return "", nil, err
+	}
+
+	// The total length should equal:
+	// 4 (total length) + strLength + 4 (the length of str itself) + (document length)
+	componentsLength := int64(4+strLength+4) + size
+	if int64(totalLength) != componentsLength {
+		return "", nil, fmt.Errorf(
+			"length of CodeWithScope does not match lengths of components; total: %d; components: %d",
+			totalLength, componentsLength,
+		)
+	}
+	return code, vr, nil
+}
+
+func (vr *valueReader) ReadDBPointer() (ns string, oid primitive.ObjectID, err error) {
+	if err := vr.ensureElementValue(bsontype.DBPointer, 0, "ReadDBPointer"); err != nil {
+		return "", oid, err
+	}
+
+	ns, err = vr.readString()
+	if err != nil {
+		return "", oid, err
+	}
+
+	oidbytes, err := vr.readBytes(12)
+	if err != nil {
+		return "", oid, err
+	}
+
+	copy(oid[:], oidbytes)
+
+	vr.pop()
+	return ns, oid, nil
+}
+
+func (vr *valueReader) ReadDateTime() (int64, error) {
+	if err := vr.ensureElementValue(bsontype.DateTime, 0, "ReadDateTime"); err != nil {
+		return 0, err
+	}
+
+	i, err := vr.readi64()
+	if err != nil {
+		return 0, err
+	}
+
+	vr.pop()
+	return i, nil
+}
+
+func (vr *valueReader) ReadDecimal128() (primitive.Decimal128, error) {
+	if err := vr.ensureElementValue(bsontype.Decimal128, 0, "ReadDecimal128"); err != nil {
+		return primitive.Decimal128{}, err
+	}
+
+	b, err := vr.readBytes(16)
+	if err != nil {
+		return primitive.Decimal128{}, err
+	}
+
+	l := binary.LittleEndian.Uint64(b[0:8])
+	h := binary.LittleEndian.Uint64(b[8:16])
+
+	vr.pop()
+	return primitive.NewDecimal128(h, l), nil
+}
+
+func (vr *valueReader) ReadDouble() (float64, error) {
+	if err := vr.ensureElementValue(bsontype.Double, 0, "ReadDouble"); err != nil {
+		return 0, err
+	}
+
+	u, err := vr.readu64()
+	if err != nil {
+		return 0, err
+	}
+
+	vr.pop()
+	return math.Float64frombits(u), nil
+}
+
+func (vr *valueReader) ReadInt32() (int32, error) {
+	if err := vr.ensureElementValue(bsontype.Int32, 0, "ReadInt32"); err != nil {
+		return 0, err
+	}
+
+	vr.pop()
+	return vr.readi32()
+}
+
+func (vr *valueReader) ReadInt64() (int64, error) {
+	if err := vr.ensureElementValue(bsontype.Int64, 0, "ReadInt64"); err != nil {
+		return 0, err
+	}
+
+	vr.pop()
+	return vr.readi64()
+}
+
+func (vr *valueReader) ReadJavascript() (code string, err error) {
+	if err := vr.ensureElementValue(bsontype.JavaScript, 0, "ReadJavascript"); err != nil {
+		return "", err
+	}
+
+	vr.pop()
+	return vr.readString()
+}
+
+func (vr *valueReader) ReadMaxKey() error {
+	if err := vr.ensureElementValue(bsontype.MaxKey, 0, "ReadMaxKey"); err != nil {
+		return err
+	}
+
+	vr.pop()
+	return nil
+}
+
+func (vr *valueReader) ReadMinKey() error {
+	if err := vr.ensureElementValue(bsontype.MinKey, 0, "ReadMinKey"); err != nil {
+		return err
+	}
+
+	vr.pop()
+	return nil
+}
+
+func (vr *valueReader) ReadNull() error {
+	if err := vr.ensureElementValue(bsontype.Null, 0, "ReadNull"); err != nil {
+		return err
+	}
+
+	vr.pop()
+	return nil
+}
+
+func (vr *valueReader) ReadObjectID() (primitive.ObjectID, error) {
+	if err := vr.ensureElementValue(bsontype.ObjectID, 0, "ReadObjectID"); err != nil {
+		return primitive.ObjectID{}, err
+	}
+
+	oidbytes, err := vr.readBytes(12)
+	if err != nil {
+		return primitive.ObjectID{}, err
+	}
+
+	var oid primitive.ObjectID
+	copy(oid[:], oidbytes)
+
+	vr.pop()
+	return oid, nil
+}
+
+func (vr *valueReader) ReadRegex() (string, string, error) {
+	if err := vr.ensureElementValue(bsontype.Regex, 0, "ReadRegex"); err != nil {
+		return "", "", err
+	}
+
+	pattern, err := vr.readCString()
+	if err != nil {
+		return "", "", err
+	}
+
+	options, err := vr.readCString()
+	if err != nil {
+		return "", "", err
+	}
+
+	vr.pop()
+	return pattern, options, nil
+}
+
+func (vr *valueReader) ReadString() (string, error) {
+	if err := vr.ensureElementValue(bsontype.String, 0, "ReadString"); err != nil {
+		return "", err
+	}
+
+	vr.pop()
+	return vr.readString()
+}
+
+func (vr *valueReader) ReadSymbol() (symbol string, err error) {
+	if err := vr.ensureElementValue(bsontype.Symbol, 0, "ReadSymbol"); err != nil {
+		return "", err
+	}
+
+	vr.pop()
+	return vr.readString()
+}
+
+func (vr *valueReader) ReadTimestamp() (t uint32, i uint32, err error) {
+	if err := vr.ensureElementValue(bsontype.Timestamp, 0, "ReadTimestamp"); err != nil {
+		return 0, 0, err
+	}
+
+	i, err = vr.readu32()
+	if err != nil {
+		return 0, 0, err
+	}
+
+	t, err = vr.readu32()
+	if err != nil {
+		return 0, 0, err
+	}
+
+	vr.pop()
+	return t, i, nil
+}
+
+func (vr *valueReader) ReadUndefined() error {
+	if err := vr.ensureElementValue(bsontype.Undefined, 0, "ReadUndefined"); err != nil {
+		return err
+	}
+
+	vr.pop()
+	return nil
+}
+
+func (vr *valueReader) ReadElement() (string, ValueReader, error) {
+	switch vr.stack[vr.frame].mode {
+	case mTopLevel, mDocument, mCodeWithScope:
+	default:
+		return "", nil, vr.invalidTransitionErr(mElement, "ReadElement", []mode{mTopLevel, mDocument, mCodeWithScope})
+	}
+
+	t, err := vr.readByte()
+	if err != nil {
+		return "", nil, err
+	}
+
+	if t == 0 {
+		if vr.offset != vr.stack[vr.frame].end {
+			return "", nil, vr.invalidDocumentLengthError()
+		}
+
+		vr.pop()
+		return "", nil, ErrEOD
+	}
+
+	name, err := vr.readCString()
+	if err != nil {
+		return "", nil, err
+	}
+
+	vr.pushElement(bsontype.Type(t))
+	return name, vr, nil
+}
+
+func (vr *valueReader) ReadValue() (ValueReader, error) {
+	switch vr.stack[vr.frame].mode {
+	case mArray:
+	default:
+		return nil, vr.invalidTransitionErr(mValue, "ReadValue", []mode{mArray})
+	}
+
+	t, err := vr.readByte()
+	if err != nil {
+		return nil, err
+	}
+
+	if t == 0 {
+		if vr.offset != vr.stack[vr.frame].end {
+			return nil, vr.invalidDocumentLengthError()
+		}
+
+		vr.pop()
+		return nil, ErrEOA
+	}
+
+	_, err = vr.readCString()
+	if err != nil {
+		return nil, err
+	}
+
+	vr.pushValue(bsontype.Type(t))
+	return vr, nil
+}
+
+// readBytes reads length bytes from the valueReader starting at the current offset. Note that the
+// returned byte slice is a subslice from the valueReader buffer and must be converted or copied
+// before returning in an unmarshaled value.
+func (vr *valueReader) readBytes(length int32) ([]byte, error) {
+	if length < 0 {
+		return nil, fmt.Errorf("invalid length: %d", length)
+	}
+
+	if vr.offset+int64(length) > int64(len(vr.d)) {
+		return nil, io.EOF
+	}
+
+	start := vr.offset
+	vr.offset += int64(length)
+
+	return vr.d[start : start+int64(length)], nil
+}
+
+func (vr *valueReader) appendBytes(dst []byte, length int32) ([]byte, error) {
+	if vr.offset+int64(length) > int64(len(vr.d)) {
+		return nil, io.EOF
+	}
+
+	start := vr.offset
+	vr.offset += int64(length)
+	return append(dst, vr.d[start:start+int64(length)]...), nil
+}
+
+func (vr *valueReader) skipBytes(length int32) error {
+	if vr.offset+int64(length) > int64(len(vr.d)) {
+		return io.EOF
+	}
+
+	vr.offset += int64(length)
+	return nil
+}
+
+func (vr *valueReader) readByte() (byte, error) {
+	if vr.offset+1 > int64(len(vr.d)) {
+		return 0x0, io.EOF
+	}
+
+	vr.offset++
+	return vr.d[vr.offset-1], nil
+}
+
+func (vr *valueReader) readCString() (string, error) {
+	idx := bytes.IndexByte(vr.d[vr.offset:], 0x00)
+	if idx < 0 {
+		return "", io.EOF
+	}
+	start := vr.offset
+	// idx does not include the null byte
+	vr.offset += int64(idx) + 1
+	return string(vr.d[start : start+int64(idx)]), nil
+}
+
+func (vr *valueReader) readString() (string, error) {
+	length, err := vr.readLength()
+	if err != nil {
+		return "", err
+	}
+
+	if int64(length)+vr.offset > int64(len(vr.d)) {
+		return "", io.EOF
+	}
+
+	if length <= 0 {
+		return "", fmt.Errorf("invalid string length: %d", length)
+	}
+
+	if vr.d[vr.offset+int64(length)-1] != 0x00 {
+		return "", fmt.Errorf("string does not end with null byte, but with %v", vr.d[vr.offset+int64(length)-1])
+	}
+
+	start := vr.offset
+	vr.offset += int64(length)
+	return string(vr.d[start : start+int64(length)-1]), nil
+}
+
+func (vr *valueReader) peekLength() (int32, error) {
+	if vr.offset+4 > int64(len(vr.d)) {
+		return 0, io.EOF
+	}
+
+	idx := vr.offset
+	return (int32(vr.d[idx]) | int32(vr.d[idx+1])<<8 | int32(vr.d[idx+2])<<16 | int32(vr.d[idx+3])<<24), nil
+}
+
+func (vr *valueReader) readLength() (int32, error) { return vr.readi32() }
+
+func (vr *valueReader) readi32() (int32, error) {
+	if vr.offset+4 > int64(len(vr.d)) {
+		return 0, io.EOF
+	}
+
+	idx := vr.offset
+	vr.offset += 4
+	return (int32(vr.d[idx]) | int32(vr.d[idx+1])<<8 | int32(vr.d[idx+2])<<16 | int32(vr.d[idx+3])<<24), nil
+}
+
+func (vr *valueReader) readu32() (uint32, error) {
+	if vr.offset+4 > int64(len(vr.d)) {
+		return 0, io.EOF
+	}
+
+	idx := vr.offset
+	vr.offset += 4
+	return (uint32(vr.d[idx]) | uint32(vr.d[idx+1])<<8 | uint32(vr.d[idx+2])<<16 | uint32(vr.d[idx+3])<<24), nil
+}
+
+func (vr *valueReader) readi64() (int64, error) {
+	if vr.offset+8 > int64(len(vr.d)) {
+		return 0, io.EOF
+	}
+
+	idx := vr.offset
+	vr.offset += 8
+	return int64(vr.d[idx]) | int64(vr.d[idx+1])<<8 | int64(vr.d[idx+2])<<16 | int64(vr.d[idx+3])<<24 |
+		int64(vr.d[idx+4])<<32 | int64(vr.d[idx+5])<<40 | int64(vr.d[idx+6])<<48 | int64(vr.d[idx+7])<<56, nil
+}
+
+func (vr *valueReader) readu64() (uint64, error) {
+	if vr.offset+8 > int64(len(vr.d)) {
+		return 0, io.EOF
+	}
+
+	idx := vr.offset
+	vr.offset += 8
+	return uint64(vr.d[idx]) | uint64(vr.d[idx+1])<<8 | uint64(vr.d[idx+2])<<16 | uint64(vr.d[idx+3])<<24 |
+		uint64(vr.d[idx+4])<<32 | uint64(vr.d[idx+5])<<40 | uint64(vr.d[idx+6])<<48 | uint64(vr.d[idx+7])<<56, nil
+}
diff --git a/vendor/go.mongodb.org/mongo-driver/bson/bsonrw/value_writer.go b/vendor/go.mongodb.org/mongo-driver/bson/bsonrw/value_writer.go
new file mode 100644
index 000000000..f95a08afd
--- /dev/null
+++ b/vendor/go.mongodb.org/mongo-driver/bson/bsonrw/value_writer.go
@@ -0,0 +1,606 @@
+// Copyright (C) MongoDB, Inc. 2017-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+
+package bsonrw
+
+import (
+	"errors"
+	"fmt"
+	"io"
+	"math"
+	"strconv"
+	"strings"
+	"sync"
+
+	"go.mongodb.org/mongo-driver/bson/bsontype"
+	"go.mongodb.org/mongo-driver/bson/primitive"
+	"go.mongodb.org/mongo-driver/x/bsonx/bsoncore"
+)
+
+var _ ValueWriter = (*valueWriter)(nil)
+
+var vwPool = sync.Pool{
+	New: func() interface{} {
+		return new(valueWriter)
+	},
+}
+
+// BSONValueWriterPool is a pool for BSON ValueWriters.
+type BSONValueWriterPool struct {
+	pool sync.Pool
+}
+
+// NewBSONValueWriterPool creates a new pool for ValueWriter instances that write to BSON.
+func NewBSONValueWriterPool() *BSONValueWriterPool {
+	return &BSONValueWriterPool{
+		pool: sync.Pool{
+			New: func() interface{} {
+				return new(valueWriter)
+			},
+		},
+	}
+}
+
+// Get retrieves a BSON ValueWriter from the pool and resets it to use w as the destination.
+func (bvwp *BSONValueWriterPool) Get(w io.Writer) ValueWriter {
+	vw := bvwp.pool.Get().(*valueWriter)
+
+	// TODO: Having to call reset here with the same buffer doesn't really make sense.
+	vw.reset(vw.buf)
+	vw.buf = vw.buf[:0]
+	vw.w = w
+	return vw
+}
+
+// GetAtModeElement retrieves a ValueWriterFlusher from the pool and resets it to use w as the destination.
+func (bvwp *BSONValueWriterPool) GetAtModeElement(w io.Writer) ValueWriterFlusher {
+	vw := bvwp.Get(w).(*valueWriter)
+	vw.push(mElement)
+	return vw
+}
+
+// Put inserts a ValueWriter into the pool. If the ValueWriter is not a BSON ValueWriter, nothing
+// happens and ok will be false.
+func (bvwp *BSONValueWriterPool) Put(vw ValueWriter) (ok bool) {
+	bvw, ok := vw.(*valueWriter)
+	if !ok {
+		return false
+	}
+
+	bvwp.pool.Put(bvw)
+	return true
+}
+
+// This is here so that during testing we can change it and not require
+// allocating a 4GB slice.
+var maxSize = math.MaxInt32
+
+var errNilWriter = errors.New("cannot create a ValueWriter from a nil io.Writer")
+
+type errMaxDocumentSizeExceeded struct {
+	size int64
+}
+
+func (mdse errMaxDocumentSizeExceeded) Error() string {
+	return fmt.Sprintf("document size (%d) is larger than the max int32", mdse.size)
+}
+
+type vwMode int
+
+const (
+	_ vwMode = iota
+	vwTopLevel
+	vwDocument
+	vwArray
+	vwValue
+	vwElement
+	vwCodeWithScope
+)
+
+func (vm vwMode) String() string {
+	var str string
+
+	switch vm {
+	case vwTopLevel:
+		str = "TopLevel"
+	case vwDocument:
+		str = "DocumentMode"
+	case vwArray:
+		str = "ArrayMode"
+	case vwValue:
+		str = "ValueMode"
+	case vwElement:
+		str = "ElementMode"
+	case vwCodeWithScope:
+		str = "CodeWithScopeMode"
+	default:
+		str = "UnknownMode"
+	}
+
+	return str
+}
+
+type vwState struct {
+	mode   mode
+	key    string
+	arrkey int
+	start  int32
+}
+
+type valueWriter struct {
+	w   io.Writer
+	buf []byte
+
+	stack []vwState
+	frame int64
+}
+
+func (vw *valueWriter) advanceFrame() {
+	if vw.frame+1 >= int64(len(vw.stack)) { // We need to grow the stack
+		length := len(vw.stack)
+		if length+1 >= cap(vw.stack) {
+			// double it
+			buf := make([]vwState, 2*cap(vw.stack)+1)
+			copy(buf, vw.stack)
+			vw.stack = buf
+		}
+		vw.stack = vw.stack[:length+1]
+	}
+	vw.frame++
+}
+
+func (vw *valueWriter) push(m mode) {
+	vw.advanceFrame()
+
+	// Clean the stack
+	vw.stack[vw.frame].mode = m
+	vw.stack[vw.frame].key = ""
+	vw.stack[vw.frame].arrkey = 0
+	vw.stack[vw.frame].start = 0
+
+	vw.stack[vw.frame].mode = m
+	switch m {
+	case mDocument, mArray, mCodeWithScope:
+		vw.reserveLength()
+	}
+}
+
+func (vw *valueWriter) reserveLength() {
+	vw.stack[vw.frame].start = int32(len(vw.buf))
+	vw.buf = append(vw.buf, 0x00, 0x00, 0x00, 0x00)
+}
+
+func (vw *valueWriter) pop() {
+	switch vw.stack[vw.frame].mode {
+	case mElement, mValue:
+		vw.frame--
+	case mDocument, mArray, mCodeWithScope:
+		vw.frame -= 2 // we pop twice to jump over the mElement: mDocument -> mElement -> mDocument/mTopLevel/etc...
+	}
+}
+
+// NewBSONValueWriter creates a ValueWriter that writes BSON to w.
+//
+// This ValueWriter will only write entire documents to the io.Writer and it
+// will buffer the document as it is built.
+func NewBSONValueWriter(w io.Writer) (ValueWriter, error) {
+	if w == nil {
+		return nil, errNilWriter
+	}
+	return newValueWriter(w), nil
+}
+
+func newValueWriter(w io.Writer) *valueWriter {
+	vw := new(valueWriter)
+	stack := make([]vwState, 1, 5)
+	stack[0] = vwState{mode: mTopLevel}
+	vw.w = w
+	vw.stack = stack
+
+	return vw
+}
+
+func newValueWriterFromSlice(buf []byte) *valueWriter {
+	vw := new(valueWriter)
+	stack := make([]vwState, 1, 5)
+	stack[0] = vwState{mode: mTopLevel}
+	vw.stack = stack
+	vw.buf = buf
+
+	return vw
+}
+
+func (vw *valueWriter) reset(buf []byte) {
+	if vw.stack == nil {
+		vw.stack = make([]vwState, 1, 5)
+	}
+	vw.stack = vw.stack[:1]
+	vw.stack[0] = vwState{mode: mTopLevel}
+	vw.buf = buf
+	vw.frame = 0
+	vw.w = nil
+}
+
+func (vw *valueWriter) invalidTransitionError(destination mode, name string, modes []mode) error {
+	te := TransitionError{
+		name:        name,
+		current:     vw.stack[vw.frame].mode,
+		destination: destination,
+		modes:       modes,
+		action:      "write",
+	}
+	if vw.frame != 0 {
+		te.parent = vw.stack[vw.frame-1].mode
+	}
+	return te
+}
+
+func (vw *valueWriter) writeElementHeader(t bsontype.Type, destination mode, callerName string, addmodes ...mode) error {
+	switch vw.stack[vw.frame].mode {
+	case mElement:
+		key := vw.stack[vw.frame].key
+		if !isValidCString(key) {
+			return errors.New("BSON element key cannot contain null bytes")
+		}
+
+		vw.buf = bsoncore.AppendHeader(vw.buf, t, key)
+	case mValue:
+		// TODO: Do this with a cache of the first 1000 or so array keys.
+		vw.buf = bsoncore.AppendHeader(vw.buf, t, strconv.Itoa(vw.stack[vw.frame].arrkey))
+	default:
+		modes := []mode{mElement, mValue}
+		if addmodes != nil {
+			modes = append(modes, addmodes...)
+		}
+		return vw.invalidTransitionError(destination, callerName, modes)
+	}
+
+	return nil
+}
+
+func (vw *valueWriter) WriteValueBytes(t bsontype.Type, b []byte) error {
+	if err := vw.writeElementHeader(t, mode(0), "WriteValueBytes"); err != nil {
+		return err
+	}
+	vw.buf = append(vw.buf, b...)
+	vw.pop()
+	return nil
+}
+
+func (vw *valueWriter) WriteArray() (ArrayWriter, error) {
+	if err := vw.writeElementHeader(bsontype.Array, mArray, "WriteArray"); err != nil {
+		return nil, err
+	}
+
+	vw.push(mArray)
+
+	return vw, nil
+}
+
+func (vw *valueWriter) WriteBinary(b []byte) error {
+	return vw.WriteBinaryWithSubtype(b, 0x00)
+}
+
+func (vw *valueWriter) WriteBinaryWithSubtype(b []byte, btype byte) error {
+	if err := vw.writeElementHeader(bsontype.Binary, mode(0), "WriteBinaryWithSubtype"); err != nil {
+		return err
+	}
+
+	vw.buf = bsoncore.AppendBinary(vw.buf, btype, b)
+	vw.pop()
+	return nil
+}
+
+func (vw *valueWriter) WriteBoolean(b bool) error {
+	if err := vw.writeElementHeader(bsontype.Boolean, mode(0), "WriteBoolean"); err != nil {
+		return err
+	}
+
+	vw.buf = bsoncore.AppendBoolean(vw.buf, b)
+	vw.pop()
+	return nil
+}
+
+func (vw *valueWriter) WriteCodeWithScope(code string) (DocumentWriter, error) {
+	if err := vw.writeElementHeader(bsontype.CodeWithScope, mCodeWithScope, "WriteCodeWithScope"); err != nil {
+		return nil, err
+	}
+
+	// CodeWithScope is a different than other types because we need an extra
+	// frame on the stack. In the EndDocument code, we write the document
+	// length, pop, write the code with scope length, and pop. To simplify the
+	// pop code, we push a spacer frame that we'll always jump over.
+	vw.push(mCodeWithScope)
+	vw.buf = bsoncore.AppendString(vw.buf, code)
+	vw.push(mSpacer)
+	vw.push(mDocument)
+
+	return vw, nil
+}
+
+func (vw *valueWriter) WriteDBPointer(ns string, oid primitive.ObjectID) error {
+	if err := vw.writeElementHeader(bsontype.DBPointer, mode(0), "WriteDBPointer"); err != nil {
+		return err
+	}
+
+	vw.buf = bsoncore.AppendDBPointer(vw.buf, ns, oid)
+	vw.pop()
+	return nil
+}
+
+func (vw *valueWriter) WriteDateTime(dt int64) error {
+	if err := vw.writeElementHeader(bsontype.DateTime, mode(0), "WriteDateTime"); err != nil {
+		return err
+	}
+
+	vw.buf = bsoncore.AppendDateTime(vw.buf, dt)
+	vw.pop()
+	return nil
+}
+
+func (vw *valueWriter) WriteDecimal128(d128 primitive.Decimal128) error {
+	if err := vw.writeElementHeader(bsontype.Decimal128, mode(0), "WriteDecimal128"); err != nil {
+		return err
+	}
+
+	vw.buf = bsoncore.AppendDecimal128(vw.buf, d128)
+	vw.pop()
+	return nil
+}
+
+func (vw *valueWriter) WriteDouble(f float64) error {
+	if err := vw.writeElementHeader(bsontype.Double, mode(0), "WriteDouble"); err != nil {
+		return err
+	}
+
+	vw.buf = bsoncore.AppendDouble(vw.buf, f)
+	vw.pop()
+	return nil
+}
+
+func (vw *valueWriter) WriteInt32(i32 int32) error {
+	if err := vw.writeElementHeader(bsontype.Int32, mode(0), "WriteInt32"); err != nil {
+		return err
+	}
+
+	vw.buf = bsoncore.AppendInt32(vw.buf, i32)
+	vw.pop()
+	return nil
+}
+
+func (vw *valueWriter) WriteInt64(i64 int64) error {
+	if err := vw.writeElementHeader(bsontype.Int64, mode(0), "WriteInt64"); err != nil {
+		return err
+	}
+
+	vw.buf = bsoncore.AppendInt64(vw.buf, i64)
+	vw.pop()
+	return nil
+}
+
+func (vw *valueWriter) WriteJavascript(code string) error {
+	if err := vw.writeElementHeader(bsontype.JavaScript, mode(0), "WriteJavascript"); err != nil {
+		return err
+	}
+
+	vw.buf = bsoncore.AppendJavaScript(vw.buf, code)
+	vw.pop()
+	return nil
+}
+
+func (vw *valueWriter) WriteMaxKey() error {
+	if err := vw.writeElementHeader(bsontype.MaxKey, mode(0), "WriteMaxKey"); err != nil {
+		return err
+	}
+
+	vw.pop()
+	return nil
+}
+
+func (vw *valueWriter) WriteMinKey() error {
+	if err := vw.writeElementHeader(bsontype.MinKey, mode(0), "WriteMinKey"); err != nil {
+		return err
+	}
+
+	vw.pop()
+	return nil
+}
+
+func (vw *valueWriter) WriteNull() error {
+	if err := vw.writeElementHeader(bsontype.Null, mode(0), "WriteNull"); err != nil {
+		return err
+	}
+
+	vw.pop()
+	return nil
+}
+
+func (vw *valueWriter) WriteObjectID(oid primitive.ObjectID) error {
+	if err := vw.writeElementHeader(bsontype.ObjectID, mode(0), "WriteObjectID"); err != nil {
+		return err
+	}
+
+	vw.buf = bsoncore.AppendObjectID(vw.buf, oid)
+	vw.pop()
+	return nil
+}
+
+func (vw *valueWriter) WriteRegex(pattern string, options string) error {
+	if !isValidCString(pattern) || !isValidCString(options) {
+		return errors.New("BSON regex values cannot contain null bytes")
+	}
+	if err := vw.writeElementHeader(bsontype.Regex, mode(0), "WriteRegex"); err != nil {
+		return err
+	}
+
+	vw.buf = bsoncore.AppendRegex(vw.buf, pattern, sortStringAlphebeticAscending(options))
+	vw.pop()
+	return nil
+}
+
+func (vw *valueWriter) WriteString(s string) error {
+	if err := vw.writeElementHeader(bsontype.String, mode(0), "WriteString"); err != nil {
+		return err
+	}
+
+	vw.buf = bsoncore.AppendString(vw.buf, s)
+	vw.pop()
+	return nil
+}
+
+func (vw *valueWriter) WriteDocument() (DocumentWriter, error) {
+	if vw.stack[vw.frame].mode == mTopLevel {
+		vw.reserveLength()
+		return vw, nil
+	}
+	if err := vw.writeElementHeader(bsontype.EmbeddedDocument, mDocument, "WriteDocument", mTopLevel); err != nil {
+		return nil, err
+	}
+
+	vw.push(mDocument)
+	return vw, nil
+}
+
+func (vw *valueWriter) WriteSymbol(symbol string) error {
+	if err := vw.writeElementHeader(bsontype.Symbol, mode(0), "WriteSymbol"); err != nil {
+		return err
+	}
+
+	vw.buf = bsoncore.AppendSymbol(vw.buf, symbol)
+	vw.pop()
+	return nil
+}
+
+func (vw *valueWriter) WriteTimestamp(t uint32, i uint32) error {
+	if err := vw.writeElementHeader(bsontype.Timestamp, mode(0), "WriteTimestamp"); err != nil {
+		return err
+	}
+
+	vw.buf = bsoncore.AppendTimestamp(vw.buf, t, i)
+	vw.pop()
+	return nil
+}
+
+func (vw *valueWriter) WriteUndefined() error {
+	if err := vw.writeElementHeader(bsontype.Undefined, mode(0), "WriteUndefined"); err != nil {
+		return err
+	}
+
+	vw.pop()
+	return nil
+}
+
+func (vw *valueWriter) WriteDocumentElement(key string) (ValueWriter, error) {
+	switch vw.stack[vw.frame].mode {
+	case mTopLevel, mDocument:
+	default:
+		return nil, vw.invalidTransitionError(mElement, "WriteDocumentElement", []mode{mTopLevel, mDocument})
+	}
+
+	vw.push(mElement)
+	vw.stack[vw.frame].key = key
+
+	return vw, nil
+}
+
+func (vw *valueWriter) WriteDocumentEnd() error {
+	switch vw.stack[vw.frame].mode {
+	case mTopLevel, mDocument:
+	default:
+		return fmt.Errorf("incorrect mode to end document: %s", vw.stack[vw.frame].mode)
+	}
+
+	vw.buf = append(vw.buf, 0x00)
+
+	err := vw.writeLength()
+	if err != nil {
+		return err
+	}
+
+	if vw.stack[vw.frame].mode == mTopLevel {
+		if err = vw.Flush(); err != nil {
+			return err
+		}
+	}
+
+	vw.pop()
+
+	if vw.stack[vw.frame].mode == mCodeWithScope {
+		// We ignore the error here because of the guarantee of writeLength.
+		// See the docs for writeLength for more info.
+		_ = vw.writeLength()
+		vw.pop()
+	}
+	return nil
+}
+
+func (vw *valueWriter) Flush() error {
+	if vw.w == nil {
+		return nil
+	}
+
+	if _, err := vw.w.Write(vw.buf); err != nil {
+		return err
+	}
+	// reset buffer
+	vw.buf = vw.buf[:0]
+	return nil
+}
+
+func (vw *valueWriter) WriteArrayElement() (ValueWriter, error) {
+	if vw.stack[vw.frame].mode != mArray {
+		return nil, vw.invalidTransitionError(mValue, "WriteArrayElement", []mode{mArray})
+	}
+
+	arrkey := vw.stack[vw.frame].arrkey
+	vw.stack[vw.frame].arrkey++
+
+	vw.push(mValue)
+	vw.stack[vw.frame].arrkey = arrkey
+
+	return vw, nil
+}
+
+func (vw *valueWriter) WriteArrayEnd() error {
+	if vw.stack[vw.frame].mode != mArray {
+		return fmt.Errorf("incorrect mode to end array: %s", vw.stack[vw.frame].mode)
+	}
+
+	vw.buf = append(vw.buf, 0x00)
+
+	err := vw.writeLength()
+	if err != nil {
+		return err
+	}
+
+	vw.pop()
+	return nil
+}
+
+// NOTE: We assume that if we call writeLength more than once the same function
+// within the same function without altering the vw.buf that this method will
+// not return an error. If this changes ensure that the following methods are
+// updated:
+//
+// - WriteDocumentEnd
+func (vw *valueWriter) writeLength() error {
+	length := len(vw.buf)
+	if length > maxSize {
+		return errMaxDocumentSizeExceeded{size: int64(len(vw.buf))}
+	}
+	length = length - int(vw.stack[vw.frame].start)
+	start := vw.stack[vw.frame].start
+
+	vw.buf[start+0] = byte(length)
+	vw.buf[start+1] = byte(length >> 8)
+	vw.buf[start+2] = byte(length >> 16)
+	vw.buf[start+3] = byte(length >> 24)
+	return nil
+}
+
+func isValidCString(cs string) bool {
+	return !strings.ContainsRune(cs, '\x00')
+}
diff --git a/vendor/go.mongodb.org/mongo-driver/bson/bsonrw/writer.go b/vendor/go.mongodb.org/mongo-driver/bson/bsonrw/writer.go
new file mode 100644
index 000000000..dff65f87f
--- /dev/null
+++ b/vendor/go.mongodb.org/mongo-driver/bson/bsonrw/writer.go
@@ -0,0 +1,78 @@
+// Copyright (C) MongoDB, Inc. 2017-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+
+package bsonrw
+
+import (
+	"go.mongodb.org/mongo-driver/bson/bsontype"
+	"go.mongodb.org/mongo-driver/bson/primitive"
+)
+
+// ArrayWriter is the interface used to create a BSON or BSON adjacent array.
+// Callers must ensure they call WriteArrayEnd when they have finished creating
+// the array.
+type ArrayWriter interface {
+	WriteArrayElement() (ValueWriter, error)
+	WriteArrayEnd() error
+}
+
+// DocumentWriter is the interface used to create a BSON or BSON adjacent
+// document. Callers must ensure they call WriteDocumentEnd when they have
+// finished creating the document.
+type DocumentWriter interface {
+	WriteDocumentElement(string) (ValueWriter, error)
+	WriteDocumentEnd() error
+}
+
+// ValueWriter is the interface used to write BSON values. Implementations of
+// this interface handle creating BSON or BSON adjacent representations of the
+// values.
+type ValueWriter interface {
+	WriteArray() (ArrayWriter, error)
+	WriteBinary(b []byte) error
+	WriteBinaryWithSubtype(b []byte, btype byte) error
+	WriteBoolean(bool) error
+	WriteCodeWithScope(code string) (DocumentWriter, error)
+	WriteDBPointer(ns string, oid primitive.ObjectID) error
+	WriteDateTime(dt int64) error
+	WriteDecimal128(primitive.Decimal128) error
+	WriteDouble(float64) error
+	WriteInt32(int32) error
+	WriteInt64(int64) error
+	WriteJavascript(code string) error
+	WriteMaxKey() error
+	WriteMinKey() error
+	WriteNull() error
+	WriteObjectID(primitive.ObjectID) error
+	WriteRegex(pattern, options string) error
+	WriteString(string) error
+	WriteDocument() (DocumentWriter, error)
+	WriteSymbol(symbol string) error
+	WriteTimestamp(t, i uint32) error
+	WriteUndefined() error
+}
+
+// ValueWriterFlusher is a superset of ValueWriter that exposes functionality to flush to the underlying buffer.
+type ValueWriterFlusher interface {
+	ValueWriter
+	Flush() error
+}
+
+// BytesWriter is the interface used to write BSON bytes to a ValueWriter.
+// This interface is meant to be a superset of ValueWriter, so that types that
+// implement ValueWriter may also implement this interface.
+type BytesWriter interface {
+	WriteValueBytes(t bsontype.Type, b []byte) error
+}
+
+// SliceWriter allows a pointer to a slice of bytes to be used as an io.Writer.
+type SliceWriter []byte
+
+func (sw *SliceWriter) Write(p []byte) (int, error) {
+	written := len(p)
+	*sw = append(*sw, p...)
+	return written, nil
+}
diff --git a/vendor/go.mongodb.org/mongo-driver/bson/bsontype/bsontype.go b/vendor/go.mongodb.org/mongo-driver/bson/bsontype/bsontype.go
new file mode 100644
index 000000000..7c91ae518
--- /dev/null
+++ b/vendor/go.mongodb.org/mongo-driver/bson/bsontype/bsontype.go
@@ -0,0 +1,97 @@
+// Copyright (C) MongoDB, Inc. 2017-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+
+// Package bsontype is a utility package that contains types for each BSON type and the
+// a stringifier for the Type to enable easier debugging when working with BSON.
+package bsontype // import "go.mongodb.org/mongo-driver/bson/bsontype"
+
+// These constants uniquely refer to each BSON type.
+const (
+	Double           Type = 0x01
+	String           Type = 0x02
+	EmbeddedDocument Type = 0x03
+	Array            Type = 0x04
+	Binary           Type = 0x05
+	Undefined        Type = 0x06
+	ObjectID         Type = 0x07
+	Boolean          Type = 0x08
+	DateTime         Type = 0x09
+	Null             Type = 0x0A
+	Regex            Type = 0x0B
+	DBPointer        Type = 0x0C
+	JavaScript       Type = 0x0D
+	Symbol           Type = 0x0E
+	CodeWithScope    Type = 0x0F
+	Int32            Type = 0x10
+	Timestamp        Type = 0x11
+	Int64            Type = 0x12
+	Decimal128       Type = 0x13
+	MinKey           Type = 0xFF
+	MaxKey           Type = 0x7F
+
+	BinaryGeneric     byte = 0x00
+	BinaryFunction    byte = 0x01
+	BinaryBinaryOld   byte = 0x02
+	BinaryUUIDOld     byte = 0x03
+	BinaryUUID        byte = 0x04
+	BinaryMD5         byte = 0x05
+	BinaryEncrypted   byte = 0x06
+	BinaryColumn      byte = 0x07
+	BinaryUserDefined byte = 0x80
+)
+
+// Type represents a BSON type.
+type Type byte
+
+// String returns the string representation of the BSON type's name.
+func (bt Type) String() string {
+	switch bt {
+	case '\x01':
+		return "double"
+	case '\x02':
+		return "string"
+	case '\x03':
+		return "embedded document"
+	case '\x04':
+		return "array"
+	case '\x05':
+		return "binary"
+	case '\x06':
+		return "undefined"
+	case '\x07':
+		return "objectID"
+	case '\x08':
+		return "boolean"
+	case '\x09':
+		return "UTC datetime"
+	case '\x0A':
+		return "null"
+	case '\x0B':
+		return "regex"
+	case '\x0C':
+		return "dbPointer"
+	case '\x0D':
+		return "javascript"
+	case '\x0E':
+		return "symbol"
+	case '\x0F':
+		return "code with scope"
+	case '\x10':
+		return "32-bit integer"
+	case '\x11':
+		return "timestamp"
+	case '\x12':
+		return "64-bit integer"
+	case '\x13':
+		return "128-bit decimal"
+	case '\xFF':
+		return "min key"
+	case '\x7F':
+		return "max key"
+	default:
+		return "invalid"
+	}
+}
diff --git a/vendor/go.mongodb.org/mongo-driver/bson/decoder.go b/vendor/go.mongodb.org/mongo-driver/bson/decoder.go
new file mode 100644
index 000000000..6e189fa58
--- /dev/null
+++ b/vendor/go.mongodb.org/mongo-driver/bson/decoder.go
@@ -0,0 +1,141 @@
+// Copyright (C) MongoDB, Inc. 2017-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+
+package bson
+
+import (
+	"errors"
+	"fmt"
+	"reflect"
+	"sync"
+
+	"go.mongodb.org/mongo-driver/bson/bsoncodec"
+	"go.mongodb.org/mongo-driver/bson/bsonrw"
+)
+
+// ErrDecodeToNil is the error returned when trying to decode to a nil value
+var ErrDecodeToNil = errors.New("cannot Decode to nil value")
+
+// This pool is used to keep the allocations of Decoders down. This is only used for the Marshal*
+// methods and is not consumable from outside of this package. The Decoders retrieved from this pool
+// must have both Reset and SetRegistry called on them.
+var decPool = sync.Pool{
+	New: func() interface{} {
+		return new(Decoder)
+	},
+}
+
+// A Decoder reads and decodes BSON documents from a stream. It reads from a bsonrw.ValueReader as
+// the source of BSON data.
+type Decoder struct {
+	dc bsoncodec.DecodeContext
+	vr bsonrw.ValueReader
+
+	// We persist defaultDocumentM and defaultDocumentD on the Decoder to prevent overwriting from
+	// (*Decoder).SetContext.
+	defaultDocumentM bool
+	defaultDocumentD bool
+}
+
+// NewDecoder returns a new decoder that uses the DefaultRegistry to read from vr.
+func NewDecoder(vr bsonrw.ValueReader) (*Decoder, error) {
+	if vr == nil {
+		return nil, errors.New("cannot create a new Decoder with a nil ValueReader")
+	}
+
+	return &Decoder{
+		dc: bsoncodec.DecodeContext{Registry: DefaultRegistry},
+		vr: vr,
+	}, nil
+}
+
+// NewDecoderWithContext returns a new decoder that uses DecodeContext dc to read from vr.
+func NewDecoderWithContext(dc bsoncodec.DecodeContext, vr bsonrw.ValueReader) (*Decoder, error) {
+	if dc.Registry == nil {
+		dc.Registry = DefaultRegistry
+	}
+	if vr == nil {
+		return nil, errors.New("cannot create a new Decoder with a nil ValueReader")
+	}
+
+	return &Decoder{
+		dc: dc,
+		vr: vr,
+	}, nil
+}
+
+// Decode reads the next BSON document from the stream and decodes it into the
+// value pointed to by val.
+//
+// The documentation for Unmarshal contains details about of BSON into a Go
+// value.
+func (d *Decoder) Decode(val interface{}) error {
+	if unmarshaler, ok := val.(Unmarshaler); ok {
+		// TODO(skriptble): Reuse a []byte here and use the AppendDocumentBytes method.
+		buf, err := bsonrw.Copier{}.CopyDocumentToBytes(d.vr)
+		if err != nil {
+			return err
+		}
+		return unmarshaler.UnmarshalBSON(buf)
+	}
+
+	rval := reflect.ValueOf(val)
+	switch rval.Kind() {
+	case reflect.Ptr:
+		if rval.IsNil() {
+			return ErrDecodeToNil
+		}
+		rval = rval.Elem()
+	case reflect.Map:
+		if rval.IsNil() {
+			return ErrDecodeToNil
+		}
+	default:
+		return fmt.Errorf("argument to Decode must be a pointer or a map, but got %v", rval)
+	}
+	decoder, err := d.dc.LookupDecoder(rval.Type())
+	if err != nil {
+		return err
+	}
+	if d.defaultDocumentM {
+		d.dc.DefaultDocumentM()
+	}
+	if d.defaultDocumentD {
+		d.dc.DefaultDocumentD()
+	}
+	return decoder.DecodeValue(d.dc, d.vr, rval)
+}
+
+// Reset will reset the state of the decoder, using the same *DecodeContext used in
+// the original construction but using vr for reading.
+func (d *Decoder) Reset(vr bsonrw.ValueReader) error {
+	d.vr = vr
+	return nil
+}
+
+// SetRegistry replaces the current registry of the decoder with r.
+func (d *Decoder) SetRegistry(r *bsoncodec.Registry) error {
+	d.dc.Registry = r
+	return nil
+}
+
+// SetContext replaces the current registry of the decoder with dc.
+func (d *Decoder) SetContext(dc bsoncodec.DecodeContext) error {
+	d.dc = dc
+	return nil
+}
+
+// DefaultDocumentM will decode empty documents using the primitive.M type. This behavior is restricted to data typed as
+// "interface{}" or "map[string]interface{}".
+func (d *Decoder) DefaultDocumentM() {
+	d.defaultDocumentM = true
+}
+
+// DefaultDocumentD will decode empty documents using the primitive.D type. This behavior is restricted to data typed as
+// "interface{}" or "map[string]interface{}".
+func (d *Decoder) DefaultDocumentD() {
+	d.defaultDocumentD = true
+}
diff --git a/vendor/go.mongodb.org/mongo-driver/bson/doc.go b/vendor/go.mongodb.org/mongo-driver/bson/doc.go
new file mode 100644
index 000000000..0134006d8
--- /dev/null
+++ b/vendor/go.mongodb.org/mongo-driver/bson/doc.go
@@ -0,0 +1,141 @@
+// Copyright (C) MongoDB, Inc. 2017-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+
+// Package bson is a library for reading, writing, and manipulating BSON. BSON is a binary serialization format used to
+// store documents and make remote procedure calls in MongoDB. The BSON specification is located at https://bsonspec.org.
+// The BSON library handles marshalling and unmarshalling of values through a configurable codec system. For a description
+// of the codec system and examples of registering custom codecs, see the bsoncodec package.
+//
+// # Raw BSON
+//
+// The Raw family of types is used to validate and retrieve elements from a slice of bytes. This
+// type is most useful when you want do lookups on BSON bytes without unmarshaling it into another
+// type.
+//
+// Example:
+//
+//	var raw bson.Raw = ... // bytes from somewhere
+//	err := raw.Validate()
+//	if err != nil { return err }
+//	val := raw.Lookup("foo")
+//	i32, ok := val.Int32OK()
+//	// do something with i32...
+//
+// # Native Go Types
+//
+// The D and M types defined in this package can be used to build representations of BSON using native Go types. D is a
+// slice and M is a map. For more information about the use cases for these types, see the documentation on the type
+// definitions.
+//
+// Note that a D should not be constructed with duplicate key names, as that can cause undefined server behavior.
+//
+// Example:
+//
+//	bson.D{{"foo", "bar"}, {"hello", "world"}, {"pi", 3.14159}}
+//	bson.M{"foo": "bar", "hello": "world", "pi": 3.14159}
+//
+// When decoding BSON to a D or M, the following type mappings apply when unmarshalling:
+//
+//  1. BSON int32 unmarshals to an int32.
+//  2. BSON int64 unmarshals to an int64.
+//  3. BSON double unmarshals to a float64.
+//  4. BSON string unmarshals to a string.
+//  5. BSON boolean unmarshals to a bool.
+//  6. BSON embedded document unmarshals to the parent type (i.e. D for a D, M for an M).
+//  7. BSON array unmarshals to a bson.A.
+//  8. BSON ObjectId unmarshals to a primitive.ObjectID.
+//  9. BSON datetime unmarshals to a primitive.DateTime.
+//  10. BSON binary unmarshals to a primitive.Binary.
+//  11. BSON regular expression unmarshals to a primitive.Regex.
+//  12. BSON JavaScript unmarshals to a primitive.JavaScript.
+//  13. BSON code with scope unmarshals to a primitive.CodeWithScope.
+//  14. BSON timestamp unmarshals to an primitive.Timestamp.
+//  15. BSON 128-bit decimal unmarshals to an primitive.Decimal128.
+//  16. BSON min key unmarshals to an primitive.MinKey.
+//  17. BSON max key unmarshals to an primitive.MaxKey.
+//  18. BSON undefined unmarshals to a primitive.Undefined.
+//  19. BSON null unmarshals to nil.
+//  20. BSON DBPointer unmarshals to a primitive.DBPointer.
+//  21. BSON symbol unmarshals to a primitive.Symbol.
+//
+// The above mappings also apply when marshalling a D or M to BSON. Some other useful marshalling mappings are:
+//
+//  1. time.Time marshals to a BSON datetime.
+//  2. int8, int16, and int32 marshal to a BSON int32.
+//  3. int marshals to a BSON int32 if the value is between math.MinInt32 and math.MaxInt32, inclusive, and a BSON int64
+//     otherwise.
+//  4. int64 marshals to BSON int64.
+//  5. uint8 and uint16 marshal to a BSON int32.
+//  6. uint, uint32, and uint64 marshal to a BSON int32 if the value is between math.MinInt32 and math.MaxInt32,
+//     inclusive, and BSON int64 otherwise.
+//  7. BSON null and undefined values will unmarshal into the zero value of a field (e.g. unmarshalling a BSON null or
+//     undefined value into a string will yield the empty string.).
+//
+// # Structs
+//
+// Structs can be marshalled/unmarshalled to/from BSON or Extended JSON. When transforming structs to/from BSON or Extended
+// JSON, the following rules apply:
+//
+//  1. Only exported fields in structs will be marshalled or unmarshalled.
+//
+//  2. When marshalling a struct, each field will be lowercased to generate the key for the corresponding BSON element.
+//     For example, a struct field named "Foo" will generate key "foo". This can be overridden via a struct tag (e.g.
+//     `bson:"fooField"` to generate key "fooField" instead).
+//
+//  3. An embedded struct field is marshalled as a subdocument. The key will be the lowercased name of the field's type.
+//
+//  4. A pointer field is marshalled as the underlying type if the pointer is non-nil. If the pointer is nil, it is
+//     marshalled as a BSON null value.
+//
+//  5. When unmarshalling, a field of type interface{} will follow the D/M type mappings listed above. BSON documents
+//     unmarshalled into an interface{} field will be unmarshalled as a D.
+//
+// The encoding of each struct field can be customized by the "bson" struct tag.
+//
+// This tag behavior is configurable, and different struct tag behavior can be configured by initializing a new
+// bsoncodec.StructCodec with the desired tag parser and registering that StructCodec onto the Registry. By default, JSON tags
+// are not honored, but that can be enabled by creating a StructCodec with JSONFallbackStructTagParser, like below:
+//
+// Example:
+//
+//	structcodec, _ := bsoncodec.NewStructCodec(bsoncodec.JSONFallbackStructTagParser)
+//
+// The bson tag gives the name of the field, possibly followed by a comma-separated list of options.
+// The name may be empty in order to specify options without overriding the default field name. The following options can be used
+// to configure behavior:
+//
+//  1. omitempty: If the omitempty struct tag is specified on a field, the field will not be marshalled if it is set to
+//     the zero value. Fields with language primitive types such as integers, booleans, and strings are considered empty if
+//     their value is equal to the zero value for the type (i.e. 0 for integers, false for booleans, and "" for strings).
+//     Slices, maps, and arrays are considered empty if they are of length zero. Interfaces and pointers are considered
+//     empty if their value is nil. By default, structs are only considered empty if the struct type implements the
+//     bsoncodec.Zeroer interface and the IsZero method returns true. Struct fields whose types do not implement Zeroer are
+//     never considered empty and will be marshalled as embedded documents.
+//     NOTE: It is recommended that this tag be used for all slice and map fields.
+//
+//  2. minsize: If the minsize struct tag is specified on a field of type int64, uint, uint32, or uint64 and the value of
+//     the field can fit in a signed int32, the field will be serialized as a BSON int32 rather than a BSON int64. For other
+//     types, this tag is ignored.
+//
+//  3. truncate: If the truncate struct tag is specified on a field with a non-float numeric type, BSON doubles unmarshalled
+//     into that field will be truncated at the decimal point. For example, if 3.14 is unmarshalled into a field of type int,
+//     it will be unmarshalled as 3. If this tag is not specified, the decoder will throw an error if the value cannot be
+//     decoded without losing precision. For float64 or non-numeric types, this tag is ignored.
+//
+//  4. inline: If the inline struct tag is specified for a struct or map field, the field will be "flattened" when
+//     marshalling and "un-flattened" when unmarshalling. This means that all of the fields in that struct/map will be
+//     pulled up one level and will become top-level fields rather than being fields in a nested document. For example, if a
+//     map field named "Map" with value map[string]interface{}{"foo": "bar"} is inlined, the resulting document will be
+//     {"foo": "bar"} instead of {"map": {"foo": "bar"}}. There can only be one inlined map field in a struct. If there are
+//     duplicated fields in the resulting document when an inlined struct is marshalled, the inlined field will be overwritten.
+//     If there are duplicated fields in the resulting document when an inlined map is marshalled, an error will be returned.
+//     This tag can be used with fields that are pointers to structs. If an inlined pointer field is nil, it will not be
+//     marshalled. For fields that are not maps or structs, this tag is ignored.
+//
+// # Marshalling and Unmarshalling
+//
+// Manually marshalling and unmarshalling can be done with the Marshal and Unmarshal family of functions.
+package bson
diff --git a/vendor/go.mongodb.org/mongo-driver/bson/encoder.go b/vendor/go.mongodb.org/mongo-driver/bson/encoder.go
new file mode 100644
index 000000000..fe5125d08
--- /dev/null
+++ b/vendor/go.mongodb.org/mongo-driver/bson/encoder.go
@@ -0,0 +1,99 @@
+// Copyright (C) MongoDB, Inc. 2017-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+
+package bson
+
+import (
+	"errors"
+	"reflect"
+	"sync"
+
+	"go.mongodb.org/mongo-driver/bson/bsoncodec"
+	"go.mongodb.org/mongo-driver/bson/bsonrw"
+)
+
+// This pool is used to keep the allocations of Encoders down. This is only used for the Marshal*
+// methods and is not consumable from outside of this package. The Encoders retrieved from this pool
+// must have both Reset and SetRegistry called on them.
+var encPool = sync.Pool{
+	New: func() interface{} {
+		return new(Encoder)
+	},
+}
+
+// An Encoder writes a serialization format to an output stream. It writes to a bsonrw.ValueWriter
+// as the destination of BSON data.
+type Encoder struct {
+	ec bsoncodec.EncodeContext
+	vw bsonrw.ValueWriter
+}
+
+// NewEncoder returns a new encoder that uses the DefaultRegistry to write to vw.
+func NewEncoder(vw bsonrw.ValueWriter) (*Encoder, error) {
+	if vw == nil {
+		return nil, errors.New("cannot create a new Encoder with a nil ValueWriter")
+	}
+
+	return &Encoder{
+		ec: bsoncodec.EncodeContext{Registry: DefaultRegistry},
+		vw: vw,
+	}, nil
+}
+
+// NewEncoderWithContext returns a new encoder that uses EncodeContext ec to write to vw.
+func NewEncoderWithContext(ec bsoncodec.EncodeContext, vw bsonrw.ValueWriter) (*Encoder, error) {
+	if ec.Registry == nil {
+		ec = bsoncodec.EncodeContext{Registry: DefaultRegistry}
+	}
+	if vw == nil {
+		return nil, errors.New("cannot create a new Encoder with a nil ValueWriter")
+	}
+
+	return &Encoder{
+		ec: ec,
+		vw: vw,
+	}, nil
+}
+
+// Encode writes the BSON encoding of val to the stream.
+//
+// The documentation for Marshal contains details about the conversion of Go
+// values to BSON.
+func (e *Encoder) Encode(val interface{}) error {
+	if marshaler, ok := val.(Marshaler); ok {
+		// TODO(skriptble): Should we have a MarshalAppender interface so that we can have []byte reuse?
+		buf, err := marshaler.MarshalBSON()
+		if err != nil {
+			return err
+		}
+		return bsonrw.Copier{}.CopyDocumentFromBytes(e.vw, buf)
+	}
+
+	encoder, err := e.ec.LookupEncoder(reflect.TypeOf(val))
+	if err != nil {
+		return err
+	}
+	return encoder.EncodeValue(e.ec, e.vw, reflect.ValueOf(val))
+}
+
+// Reset will reset the state of the encoder, using the same *EncodeContext used in
+// the original construction but using vw.
+func (e *Encoder) Reset(vw bsonrw.ValueWriter) error {
+	e.vw = vw
+	return nil
+}
+
+// SetRegistry replaces the current registry of the encoder with r.
+func (e *Encoder) SetRegistry(r *bsoncodec.Registry) error {
+	e.ec.Registry = r
+	return nil
+}
+
+// SetContext replaces the current EncodeContext of the encoder with er.
+func (e *Encoder) SetContext(ec bsoncodec.EncodeContext) error {
+	e.ec = ec
+	return nil
+}
diff --git a/vendor/go.mongodb.org/mongo-driver/bson/marshal.go b/vendor/go.mongodb.org/mongo-driver/bson/marshal.go
new file mode 100644
index 000000000..db8d8ee92
--- /dev/null
+++ b/vendor/go.mongodb.org/mongo-driver/bson/marshal.go
@@ -0,0 +1,248 @@
+// Copyright (C) MongoDB, Inc. 2017-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+
+package bson
+
+import (
+	"bytes"
+	"encoding/json"
+
+	"go.mongodb.org/mongo-driver/bson/bsoncodec"
+	"go.mongodb.org/mongo-driver/bson/bsonrw"
+	"go.mongodb.org/mongo-driver/bson/bsontype"
+)
+
+const defaultDstCap = 256
+
+var bvwPool = bsonrw.NewBSONValueWriterPool()
+var extjPool = bsonrw.NewExtJSONValueWriterPool()
+
+// Marshaler is an interface implemented by types that can marshal themselves
+// into a BSON document represented as bytes. The bytes returned must be a valid
+// BSON document if the error is nil.
+type Marshaler interface {
+	MarshalBSON() ([]byte, error)
+}
+
+// ValueMarshaler is an interface implemented by types that can marshal
+// themselves into a BSON value as bytes. The type must be the valid type for
+// the bytes returned. The bytes and byte type together must be valid if the
+// error is nil.
+type ValueMarshaler interface {
+	MarshalBSONValue() (bsontype.Type, []byte, error)
+}
+
+// Marshal returns the BSON encoding of val as a BSON document. If val is not a type that can be transformed into a
+// document, MarshalValue should be used instead.
+//
+// Marshal will use the default registry created by NewRegistry to recursively
+// marshal val into a []byte. Marshal will inspect struct tags and alter the
+// marshaling process accordingly.
+func Marshal(val interface{}) ([]byte, error) {
+	return MarshalWithRegistry(DefaultRegistry, val)
+}
+
+// MarshalAppend will encode val as a BSON document and append the bytes to dst. If dst is not large enough to hold the
+// bytes, it will be grown. If val is not a type that can be transformed into a document, MarshalValueAppend should be
+// used instead.
+func MarshalAppend(dst []byte, val interface{}) ([]byte, error) {
+	return MarshalAppendWithRegistry(DefaultRegistry, dst, val)
+}
+
+// MarshalWithRegistry returns the BSON encoding of val as a BSON document. If val is not a type that can be transformed
+// into a document, MarshalValueWithRegistry should be used instead.
+func MarshalWithRegistry(r *bsoncodec.Registry, val interface{}) ([]byte, error) {
+	dst := make([]byte, 0)
+	return MarshalAppendWithRegistry(r, dst, val)
+}
+
+// MarshalWithContext returns the BSON encoding of val as a BSON document using EncodeContext ec. If val is not a type
+// that can be transformed into a document, MarshalValueWithContext should be used instead.
+func MarshalWithContext(ec bsoncodec.EncodeContext, val interface{}) ([]byte, error) {
+	dst := make([]byte, 0)
+	return MarshalAppendWithContext(ec, dst, val)
+}
+
+// MarshalAppendWithRegistry will encode val as a BSON document using Registry r and append the bytes to dst. If dst is
+// not large enough to hold the bytes, it will be grown. If val is not a type that can be transformed into a document,
+// MarshalValueAppendWithRegistry should be used instead.
+func MarshalAppendWithRegistry(r *bsoncodec.Registry, dst []byte, val interface{}) ([]byte, error) {
+	return MarshalAppendWithContext(bsoncodec.EncodeContext{Registry: r}, dst, val)
+}
+
+// MarshalAppendWithContext will encode val as a BSON document using Registry r and EncodeContext ec and append the
+// bytes to dst. If dst is not large enough to hold the bytes, it will be grown. If val is not a type that can be
+// transformed into a document, MarshalValueAppendWithContext should be used instead.
+func MarshalAppendWithContext(ec bsoncodec.EncodeContext, dst []byte, val interface{}) ([]byte, error) {
+	sw := new(bsonrw.SliceWriter)
+	*sw = dst
+	vw := bvwPool.Get(sw)
+	defer bvwPool.Put(vw)
+
+	enc := encPool.Get().(*Encoder)
+	defer encPool.Put(enc)
+
+	err := enc.Reset(vw)
+	if err != nil {
+		return nil, err
+	}
+	err = enc.SetContext(ec)
+	if err != nil {
+		return nil, err
+	}
+
+	err = enc.Encode(val)
+	if err != nil {
+		return nil, err
+	}
+
+	return *sw, nil
+}
+
+// MarshalValue returns the BSON encoding of val.
+//
+// MarshalValue will use bson.DefaultRegistry to transform val into a BSON value. If val is a struct, this function will
+// inspect struct tags and alter the marshalling process accordingly.
+func MarshalValue(val interface{}) (bsontype.Type, []byte, error) {
+	return MarshalValueWithRegistry(DefaultRegistry, val)
+}
+
+// MarshalValueAppend will append the BSON encoding of val to dst. If dst is not large enough to hold the BSON encoding
+// of val, dst will be grown.
+func MarshalValueAppend(dst []byte, val interface{}) (bsontype.Type, []byte, error) {
+	return MarshalValueAppendWithRegistry(DefaultRegistry, dst, val)
+}
+
+// MarshalValueWithRegistry returns the BSON encoding of val using Registry r.
+func MarshalValueWithRegistry(r *bsoncodec.Registry, val interface{}) (bsontype.Type, []byte, error) {
+	dst := make([]byte, 0)
+	return MarshalValueAppendWithRegistry(r, dst, val)
+}
+
+// MarshalValueWithContext returns the BSON encoding of val using EncodeContext ec.
+func MarshalValueWithContext(ec bsoncodec.EncodeContext, val interface{}) (bsontype.Type, []byte, error) {
+	dst := make([]byte, 0)
+	return MarshalValueAppendWithContext(ec, dst, val)
+}
+
+// MarshalValueAppendWithRegistry will append the BSON encoding of val to dst using Registry r. If dst is not large
+// enough to hold the BSON encoding of val, dst will be grown.
+func MarshalValueAppendWithRegistry(r *bsoncodec.Registry, dst []byte, val interface{}) (bsontype.Type, []byte, error) {
+	return MarshalValueAppendWithContext(bsoncodec.EncodeContext{Registry: r}, dst, val)
+}
+
+// MarshalValueAppendWithContext will append the BSON encoding of val to dst using EncodeContext ec. If dst is not large
+// enough to hold the BSON encoding of val, dst will be grown.
+func MarshalValueAppendWithContext(ec bsoncodec.EncodeContext, dst []byte, val interface{}) (bsontype.Type, []byte, error) {
+	// get a ValueWriter configured to write to dst
+	sw := new(bsonrw.SliceWriter)
+	*sw = dst
+	vwFlusher := bvwPool.GetAtModeElement(sw)
+
+	// get an Encoder and encode the value
+	enc := encPool.Get().(*Encoder)
+	defer encPool.Put(enc)
+	if err := enc.Reset(vwFlusher); err != nil {
+		return 0, nil, err
+	}
+	if err := enc.SetContext(ec); err != nil {
+		return 0, nil, err
+	}
+	if err := enc.Encode(val); err != nil {
+		return 0, nil, err
+	}
+
+	// flush the bytes written because we cannot guarantee that a full document has been written
+	// after the flush, *sw will be in the format
+	// [value type, 0 (null byte to indicate end of empty element name), value bytes..]
+	if err := vwFlusher.Flush(); err != nil {
+		return 0, nil, err
+	}
+	buffer := *sw
+	return bsontype.Type(buffer[0]), buffer[2:], nil
+}
+
+// MarshalExtJSON returns the extended JSON encoding of val.
+func MarshalExtJSON(val interface{}, canonical, escapeHTML bool) ([]byte, error) {
+	return MarshalExtJSONWithRegistry(DefaultRegistry, val, canonical, escapeHTML)
+}
+
+// MarshalExtJSONAppend will append the extended JSON encoding of val to dst.
+// If dst is not large enough to hold the extended JSON encoding of val, dst
+// will be grown.
+func MarshalExtJSONAppend(dst []byte, val interface{}, canonical, escapeHTML bool) ([]byte, error) {
+	return MarshalExtJSONAppendWithRegistry(DefaultRegistry, dst, val, canonical, escapeHTML)
+}
+
+// MarshalExtJSONWithRegistry returns the extended JSON encoding of val using Registry r.
+func MarshalExtJSONWithRegistry(r *bsoncodec.Registry, val interface{}, canonical, escapeHTML bool) ([]byte, error) {
+	dst := make([]byte, 0, defaultDstCap)
+	return MarshalExtJSONAppendWithContext(bsoncodec.EncodeContext{Registry: r}, dst, val, canonical, escapeHTML)
+}
+
+// MarshalExtJSONWithContext returns the extended JSON encoding of val using Registry r.
+func MarshalExtJSONWithContext(ec bsoncodec.EncodeContext, val interface{}, canonical, escapeHTML bool) ([]byte, error) {
+	dst := make([]byte, 0, defaultDstCap)
+	return MarshalExtJSONAppendWithContext(ec, dst, val, canonical, escapeHTML)
+}
+
+// MarshalExtJSONAppendWithRegistry will append the extended JSON encoding of
+// val to dst using Registry r. If dst is not large enough to hold the BSON
+// encoding of val, dst will be grown.
+func MarshalExtJSONAppendWithRegistry(r *bsoncodec.Registry, dst []byte, val interface{}, canonical, escapeHTML bool) ([]byte, error) {
+	return MarshalExtJSONAppendWithContext(bsoncodec.EncodeContext{Registry: r}, dst, val, canonical, escapeHTML)
+}
+
+// MarshalExtJSONAppendWithContext will append the extended JSON encoding of
+// val to dst using Registry r. If dst is not large enough to hold the BSON
+// encoding of val, dst will be grown.
+func MarshalExtJSONAppendWithContext(ec bsoncodec.EncodeContext, dst []byte, val interface{}, canonical, escapeHTML bool) ([]byte, error) {
+	sw := new(bsonrw.SliceWriter)
+	*sw = dst
+	ejvw := extjPool.Get(sw, canonical, escapeHTML)
+	defer extjPool.Put(ejvw)
+
+	enc := encPool.Get().(*Encoder)
+	defer encPool.Put(enc)
+
+	err := enc.Reset(ejvw)
+	if err != nil {
+		return nil, err
+	}
+	err = enc.SetContext(ec)
+	if err != nil {
+		return nil, err
+	}
+
+	err = enc.Encode(val)
+	if err != nil {
+		return nil, err
+	}
+
+	return *sw, nil
+}
+
+// IndentExtJSON will prefix and indent the provided extended JSON src and append it to dst.
+func IndentExtJSON(dst *bytes.Buffer, src []byte, prefix, indent string) error {
+	return json.Indent(dst, src, prefix, indent)
+}
+
+// MarshalExtJSONIndent returns the extended JSON encoding of val with each line with prefixed
+// and indented.
+func MarshalExtJSONIndent(val interface{}, canonical, escapeHTML bool, prefix, indent string) ([]byte, error) {
+	marshaled, err := MarshalExtJSON(val, canonical, escapeHTML)
+	if err != nil {
+		return nil, err
+	}
+
+	var buf bytes.Buffer
+	err = IndentExtJSON(&buf, marshaled, prefix, indent)
+	if err != nil {
+		return nil, err
+	}
+
+	return buf.Bytes(), nil
+}
diff --git a/vendor/go.mongodb.org/mongo-driver/bson/primitive/decimal.go b/vendor/go.mongodb.org/mongo-driver/bson/primitive/decimal.go
new file mode 100644
index 000000000..ba7c9112e
--- /dev/null
+++ b/vendor/go.mongodb.org/mongo-driver/bson/primitive/decimal.go
@@ -0,0 +1,423 @@
+// Copyright (C) MongoDB, Inc. 2017-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+//
+// Based on gopkg.in/mgo.v2/bson by Gustavo Niemeyer
+// See THIRD-PARTY-NOTICES for original license terms.
+
+package primitive
+
+import (
+	"encoding/json"
+	"errors"
+	"fmt"
+	"math/big"
+	"regexp"
+	"strconv"
+	"strings"
+)
+
+// These constants are the maximum and minimum values for the exponent field in a decimal128 value.
+const (
+	MaxDecimal128Exp = 6111
+	MinDecimal128Exp = -6176
+)
+
+// These errors are returned when an invalid value is parsed as a big.Int.
+var (
+	ErrParseNaN    = errors.New("cannot parse NaN as a *big.Int")
+	ErrParseInf    = errors.New("cannot parse Infinity as a *big.Int")
+	ErrParseNegInf = errors.New("cannot parse -Infinity as a *big.Int")
+)
+
+// Decimal128 holds decimal128 BSON values.
+type Decimal128 struct {
+	h, l uint64
+}
+
+// NewDecimal128 creates a Decimal128 using the provide high and low uint64s.
+func NewDecimal128(h, l uint64) Decimal128 {
+	return Decimal128{h: h, l: l}
+}
+
+// GetBytes returns the underlying bytes of the BSON decimal value as two uint64 values. The first
+// contains the most first 8 bytes of the value and the second contains the latter.
+func (d Decimal128) GetBytes() (uint64, uint64) {
+	return d.h, d.l
+}
+
+// String returns a string representation of the decimal value.
+func (d Decimal128) String() string {
+	var posSign int      // positive sign
+	var exp int          // exponent
+	var high, low uint64 // significand high/low
+
+	if d.h>>63&1 == 0 {
+		posSign = 1
+	}
+
+	switch d.h >> 58 & (1<<5 - 1) {
+	case 0x1F:
+		return "NaN"
+	case 0x1E:
+		return "-Infinity"[posSign:]
+	}
+
+	low = d.l
+	if d.h>>61&3 == 3 {
+		// Bits: 1*sign 2*ignored 14*exponent 111*significand.
+		// Implicit 0b100 prefix in significand.
+		exp = int(d.h >> 47 & (1<<14 - 1))
+		//high = 4<<47 | d.h&(1<<47-1)
+		// Spec says all of these values are out of range.
+		high, low = 0, 0
+	} else {
+		// Bits: 1*sign 14*exponent 113*significand
+		exp = int(d.h >> 49 & (1<<14 - 1))
+		high = d.h & (1<<49 - 1)
+	}
+	exp += MinDecimal128Exp
+
+	// Would be handled by the logic below, but that's trivial and common.
+	if high == 0 && low == 0 && exp == 0 {
+		return "-0"[posSign:]
+	}
+
+	var repr [48]byte // Loop 5 times over 9 digits plus dot, negative sign, and leading zero.
+	var last = len(repr)
+	var i = len(repr)
+	var dot = len(repr) + exp
+	var rem uint32
+Loop:
+	for d9 := 0; d9 < 5; d9++ {
+		high, low, rem = divmod(high, low, 1e9)
+		for d1 := 0; d1 < 9; d1++ {
+			// Handle "-0.0", "0.00123400", "-1.00E-6", "1.050E+3", etc.
+			if i < len(repr) && (dot == i || low == 0 && high == 0 && rem > 0 && rem < 10 && (dot < i-6 || exp > 0)) {
+				exp += len(repr) - i
+				i--
+				repr[i] = '.'
+				last = i - 1
+				dot = len(repr) // Unmark.
+			}
+			c := '0' + byte(rem%10)
+			rem /= 10
+			i--
+			repr[i] = c
+			// Handle "0E+3", "1E+3", etc.
+			if low == 0 && high == 0 && rem == 0 && i == len(repr)-1 && (dot < i-5 || exp > 0) {
+				last = i
+				break Loop
+			}
+			if c != '0' {
+				last = i
+			}
+			// Break early. Works without it, but why.
+			if dot > i && low == 0 && high == 0 && rem == 0 {
+				break Loop
+			}
+		}
+	}
+	repr[last-1] = '-'
+	last--
+
+	if exp > 0 {
+		return string(repr[last+posSign:]) + "E+" + strconv.Itoa(exp)
+	}
+	if exp < 0 {
+		return string(repr[last+posSign:]) + "E" + strconv.Itoa(exp)
+	}
+	return string(repr[last+posSign:])
+}
+
+// BigInt returns significand as big.Int and exponent, bi * 10 ^ exp.
+func (d Decimal128) BigInt() (*big.Int, int, error) {
+	high, low := d.GetBytes()
+	posSign := high>>63&1 == 0 // positive sign
+
+	switch high >> 58 & (1<<5 - 1) {
+	case 0x1F:
+		return nil, 0, ErrParseNaN
+	case 0x1E:
+		if posSign {
+			return nil, 0, ErrParseInf
+		}
+		return nil, 0, ErrParseNegInf
+	}
+
+	var exp int
+	if high>>61&3 == 3 {
+		// Bits: 1*sign 2*ignored 14*exponent 111*significand.
+		// Implicit 0b100 prefix in significand.
+		exp = int(high >> 47 & (1<<14 - 1))
+		//high = 4<<47 | d.h&(1<<47-1)
+		// Spec says all of these values are out of range.
+		high, low = 0, 0
+	} else {
+		// Bits: 1*sign 14*exponent 113*significand
+		exp = int(high >> 49 & (1<<14 - 1))
+		high = high & (1<<49 - 1)
+	}
+	exp += MinDecimal128Exp
+
+	// Would be handled by the logic below, but that's trivial and common.
+	if high == 0 && low == 0 && exp == 0 {
+		if posSign {
+			return new(big.Int), 0, nil
+		}
+		return new(big.Int), 0, nil
+	}
+
+	bi := big.NewInt(0)
+	const host32bit = ^uint(0)>>32 == 0
+	if host32bit {
+		bi.SetBits([]big.Word{big.Word(low), big.Word(low >> 32), big.Word(high), big.Word(high >> 32)})
+	} else {
+		bi.SetBits([]big.Word{big.Word(low), big.Word(high)})
+	}
+
+	if !posSign {
+		return bi.Neg(bi), exp, nil
+	}
+	return bi, exp, nil
+}
+
+// IsNaN returns whether d is NaN.
+func (d Decimal128) IsNaN() bool {
+	return d.h>>58&(1<<5-1) == 0x1F
+}
+
+// IsInf returns:
+//
+//	+1 d == Infinity
+//	 0 other case
+//	-1 d == -Infinity
+func (d Decimal128) IsInf() int {
+	if d.h>>58&(1<<5-1) != 0x1E {
+		return 0
+	}
+
+	if d.h>>63&1 == 0 {
+		return 1
+	}
+	return -1
+}
+
+// IsZero returns true if d is the empty Decimal128.
+func (d Decimal128) IsZero() bool {
+	return d.h == 0 && d.l == 0
+}
+
+// MarshalJSON returns Decimal128 as a string.
+func (d Decimal128) MarshalJSON() ([]byte, error) {
+	return json.Marshal(d.String())
+}
+
+// UnmarshalJSON creates a primitive.Decimal128 from a JSON string, an extended JSON $numberDecimal value, or the string
+// "null". If b is a JSON string or extended JSON value, d will have the value of that string, and if b is "null", d will
+// be unchanged.
+func (d *Decimal128) UnmarshalJSON(b []byte) error {
+	// Ignore "null" to keep parity with the standard library. Decoding a JSON null into a non-pointer Decimal128 field
+	// will leave the field unchanged. For pointer values, encoding/json will set the pointer to nil and will not
+	// enter the UnmarshalJSON hook.
+	if string(b) == "null" {
+		return nil
+	}
+
+	var res interface{}
+	err := json.Unmarshal(b, &res)
+	if err != nil {
+		return err
+	}
+	str, ok := res.(string)
+
+	// Extended JSON
+	if !ok {
+		m, ok := res.(map[string]interface{})
+		if !ok {
+			return errors.New("not an extended JSON Decimal128: expected document")
+		}
+		d128, ok := m["$numberDecimal"]
+		if !ok {
+			return errors.New("not an extended JSON Decimal128: expected key $numberDecimal")
+		}
+		str, ok = d128.(string)
+		if !ok {
+			return errors.New("not an extended JSON Decimal128: expected decimal to be string")
+		}
+	}
+
+	*d, err = ParseDecimal128(str)
+	return err
+}
+
+func divmod(h, l uint64, div uint32) (qh, ql uint64, rem uint32) {
+	div64 := uint64(div)
+	a := h >> 32
+	aq := a / div64
+	ar := a % div64
+	b := ar<<32 + h&(1<<32-1)
+	bq := b / div64
+	br := b % div64
+	c := br<<32 + l>>32
+	cq := c / div64
+	cr := c % div64
+	d := cr<<32 + l&(1<<32-1)
+	dq := d / div64
+	dr := d % div64
+	return (aq<<32 | bq), (cq<<32 | dq), uint32(dr)
+}
+
+var dNaN = Decimal128{0x1F << 58, 0}
+var dPosInf = Decimal128{0x1E << 58, 0}
+var dNegInf = Decimal128{0x3E << 58, 0}
+
+func dErr(s string) (Decimal128, error) {
+	return dNaN, fmt.Errorf("cannot parse %q as a decimal128", s)
+}
+
+// match scientific notation number, example -10.15e-18
+var normalNumber = regexp.MustCompile(`^(?P<int>[-+]?\d*)?(?:\.(?P<dec>\d*))?(?:[Ee](?P<exp>[-+]?\d+))?$`)
+
+// ParseDecimal128 takes the given string and attempts to parse it into a valid
+// Decimal128 value.
+func ParseDecimal128(s string) (Decimal128, error) {
+	if s == "" {
+		return dErr(s)
+	}
+
+	matches := normalNumber.FindStringSubmatch(s)
+	if len(matches) == 0 {
+		orig := s
+		neg := s[0] == '-'
+		if neg || s[0] == '+' {
+			s = s[1:]
+		}
+
+		if s == "NaN" || s == "nan" || strings.EqualFold(s, "nan") {
+			return dNaN, nil
+		}
+		if s == "Inf" || s == "inf" || strings.EqualFold(s, "inf") || strings.EqualFold(s, "infinity") {
+			if neg {
+				return dNegInf, nil
+			}
+			return dPosInf, nil
+		}
+		return dErr(orig)
+	}
+
+	intPart := matches[1]
+	decPart := matches[2]
+	expPart := matches[3]
+
+	var err error
+	exp := 0
+	if expPart != "" {
+		exp, err = strconv.Atoi(expPart)
+		if err != nil {
+			return dErr(s)
+		}
+	}
+	if decPart != "" {
+		exp -= len(decPart)
+	}
+
+	if len(strings.Trim(intPart+decPart, "-0")) > 35 {
+		return dErr(s)
+	}
+
+	bi, ok := new(big.Int).SetString(intPart+decPart, 10)
+	if !ok {
+		return dErr(s)
+	}
+
+	d, ok := ParseDecimal128FromBigInt(bi, exp)
+	if !ok {
+		return dErr(s)
+	}
+
+	if bi.Sign() == 0 && s[0] == '-' {
+		d.h |= 1 << 63
+	}
+
+	return d, nil
+}
+
+var (
+	ten  = big.NewInt(10)
+	zero = new(big.Int)
+
+	maxS, _ = new(big.Int).SetString("9999999999999999999999999999999999", 10)
+)
+
+// ParseDecimal128FromBigInt attempts to parse the given significand and exponent into a valid Decimal128 value.
+func ParseDecimal128FromBigInt(bi *big.Int, exp int) (Decimal128, bool) {
+	//copy
+	bi = new(big.Int).Set(bi)
+
+	q := new(big.Int)
+	r := new(big.Int)
+
+	for bigIntCmpAbs(bi, maxS) == 1 {
+		bi, _ = q.QuoRem(bi, ten, r)
+		if r.Cmp(zero) != 0 {
+			return Decimal128{}, false
+		}
+		exp++
+		if exp > MaxDecimal128Exp {
+			return Decimal128{}, false
+		}
+	}
+
+	for exp < MinDecimal128Exp {
+		// Subnormal.
+		bi, _ = q.QuoRem(bi, ten, r)
+		if r.Cmp(zero) != 0 {
+			return Decimal128{}, false
+		}
+		exp++
+	}
+	for exp > MaxDecimal128Exp {
+		// Clamped.
+		bi.Mul(bi, ten)
+		if bigIntCmpAbs(bi, maxS) == 1 {
+			return Decimal128{}, false
+		}
+		exp--
+	}
+
+	b := bi.Bytes()
+	var h, l uint64
+	for i := 0; i < len(b); i++ {
+		if i < len(b)-8 {
+			h = h<<8 | uint64(b[i])
+			continue
+		}
+		l = l<<8 | uint64(b[i])
+	}
+
+	h |= uint64(exp-MinDecimal128Exp) & uint64(1<<14-1) << 49
+	if bi.Sign() == -1 {
+		h |= 1 << 63
+	}
+
+	return Decimal128{h: h, l: l}, true
+}
+
+// bigIntCmpAbs computes big.Int.Cmp(absoluteValue(x), absoluteValue(y)).
+func bigIntCmpAbs(x, y *big.Int) int {
+	xAbs := bigIntAbsValue(x)
+	yAbs := bigIntAbsValue(y)
+	return xAbs.Cmp(yAbs)
+}
+
+// bigIntAbsValue returns a big.Int containing the absolute value of b.
+// If b is already a non-negative number, it is returned without any changes or copies.
+func bigIntAbsValue(b *big.Int) *big.Int {
+	if b.Sign() >= 0 {
+		return b // already positive
+	}
+	return new(big.Int).Abs(b)
+}
diff --git a/vendor/go.mongodb.org/mongo-driver/bson/primitive/objectid.go b/vendor/go.mongodb.org/mongo-driver/bson/primitive/objectid.go
new file mode 100644
index 000000000..ded367316
--- /dev/null
+++ b/vendor/go.mongodb.org/mongo-driver/bson/primitive/objectid.go
@@ -0,0 +1,206 @@
+// Copyright (C) MongoDB, Inc. 2017-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+//
+// Based on gopkg.in/mgo.v2/bson by Gustavo Niemeyer
+// See THIRD-PARTY-NOTICES for original license terms.
+
+package primitive
+
+import (
+	"crypto/rand"
+	"encoding"
+	"encoding/binary"
+	"encoding/hex"
+	"encoding/json"
+	"errors"
+	"fmt"
+	"io"
+	"sync/atomic"
+	"time"
+)
+
+// ErrInvalidHex indicates that a hex string cannot be converted to an ObjectID.
+var ErrInvalidHex = errors.New("the provided hex string is not a valid ObjectID")
+
+// ObjectID is the BSON ObjectID type.
+type ObjectID [12]byte
+
+// NilObjectID is the zero value for ObjectID.
+var NilObjectID ObjectID
+
+var objectIDCounter = readRandomUint32()
+var processUnique = processUniqueBytes()
+
+var _ encoding.TextMarshaler = ObjectID{}
+var _ encoding.TextUnmarshaler = &ObjectID{}
+
+// NewObjectID generates a new ObjectID.
+func NewObjectID() ObjectID {
+	return NewObjectIDFromTimestamp(time.Now())
+}
+
+// NewObjectIDFromTimestamp generates a new ObjectID based on the given time.
+func NewObjectIDFromTimestamp(timestamp time.Time) ObjectID {
+	var b [12]byte
+
+	binary.BigEndian.PutUint32(b[0:4], uint32(timestamp.Unix()))
+	copy(b[4:9], processUnique[:])
+	putUint24(b[9:12], atomic.AddUint32(&objectIDCounter, 1))
+
+	return b
+}
+
+// Timestamp extracts the time part of the ObjectId.
+func (id ObjectID) Timestamp() time.Time {
+	unixSecs := binary.BigEndian.Uint32(id[0:4])
+	return time.Unix(int64(unixSecs), 0).UTC()
+}
+
+// Hex returns the hex encoding of the ObjectID as a string.
+func (id ObjectID) Hex() string {
+	var buf [24]byte
+	hex.Encode(buf[:], id[:])
+	return string(buf[:])
+}
+
+func (id ObjectID) String() string {
+	return fmt.Sprintf("ObjectID(%q)", id.Hex())
+}
+
+// IsZero returns true if id is the empty ObjectID.
+func (id ObjectID) IsZero() bool {
+	return id == NilObjectID
+}
+
+// ObjectIDFromHex creates a new ObjectID from a hex string. It returns an error if the hex string is not a
+// valid ObjectID.
+func ObjectIDFromHex(s string) (ObjectID, error) {
+	if len(s) != 24 {
+		return NilObjectID, ErrInvalidHex
+	}
+
+	b, err := hex.DecodeString(s)
+	if err != nil {
+		return NilObjectID, err
+	}
+
+	var oid [12]byte
+	copy(oid[:], b)
+
+	return oid, nil
+}
+
+// IsValidObjectID returns true if the provided hex string represents a valid ObjectID and false if not.
+func IsValidObjectID(s string) bool {
+	_, err := ObjectIDFromHex(s)
+	return err == nil
+}
+
+// MarshalText returns the ObjectID as UTF-8-encoded text. Implementing this allows us to use ObjectID
+// as a map key when marshalling JSON. See https://pkg.go.dev/encoding#TextMarshaler
+func (id ObjectID) MarshalText() ([]byte, error) {
+	return []byte(id.Hex()), nil
+}
+
+// UnmarshalText populates the byte slice with the ObjectID. Implementing this allows us to use ObjectID
+// as a map key when unmarshalling JSON. See https://pkg.go.dev/encoding#TextUnmarshaler
+func (id *ObjectID) UnmarshalText(b []byte) error {
+	oid, err := ObjectIDFromHex(string(b))
+	if err != nil {
+		return err
+	}
+	*id = oid
+	return nil
+}
+
+// MarshalJSON returns the ObjectID as a string
+func (id ObjectID) MarshalJSON() ([]byte, error) {
+	return json.Marshal(id.Hex())
+}
+
+// UnmarshalJSON populates the byte slice with the ObjectID. If the byte slice is 24 bytes long, it
+// will be populated with the hex representation of the ObjectID. If the byte slice is twelve bytes
+// long, it will be populated with the BSON representation of the ObjectID. This method also accepts empty strings and
+// decodes them as NilObjectID. For any other inputs, an error will be returned.
+func (id *ObjectID) UnmarshalJSON(b []byte) error {
+	// Ignore "null" to keep parity with the standard library. Decoding a JSON null into a non-pointer ObjectID field
+	// will leave the field unchanged. For pointer values, encoding/json will set the pointer to nil and will not
+	// enter the UnmarshalJSON hook.
+	if string(b) == "null" {
+		return nil
+	}
+
+	var err error
+	switch len(b) {
+	case 12:
+		copy(id[:], b)
+	default:
+		// Extended JSON
+		var res interface{}
+		err := json.Unmarshal(b, &res)
+		if err != nil {
+			return err
+		}
+		str, ok := res.(string)
+		if !ok {
+			m, ok := res.(map[string]interface{})
+			if !ok {
+				return errors.New("not an extended JSON ObjectID")
+			}
+			oid, ok := m["$oid"]
+			if !ok {
+				return errors.New("not an extended JSON ObjectID")
+			}
+			str, ok = oid.(string)
+			if !ok {
+				return errors.New("not an extended JSON ObjectID")
+			}
+		}
+
+		// An empty string is not a valid ObjectID, but we treat it as a special value that decodes as NilObjectID.
+		if len(str) == 0 {
+			copy(id[:], NilObjectID[:])
+			return nil
+		}
+
+		if len(str) != 24 {
+			return fmt.Errorf("cannot unmarshal into an ObjectID, the length must be 24 but it is %d", len(str))
+		}
+
+		_, err = hex.Decode(id[:], []byte(str))
+		if err != nil {
+			return err
+		}
+	}
+
+	return err
+}
+
+func processUniqueBytes() [5]byte {
+	var b [5]byte
+	_, err := io.ReadFull(rand.Reader, b[:])
+	if err != nil {
+		panic(fmt.Errorf("cannot initialize objectid package with crypto.rand.Reader: %v", err))
+	}
+
+	return b
+}
+
+func readRandomUint32() uint32 {
+	var b [4]byte
+	_, err := io.ReadFull(rand.Reader, b[:])
+	if err != nil {
+		panic(fmt.Errorf("cannot initialize objectid package with crypto.rand.Reader: %v", err))
+	}
+
+	return (uint32(b[0]) << 0) | (uint32(b[1]) << 8) | (uint32(b[2]) << 16) | (uint32(b[3]) << 24)
+}
+
+func putUint24(b []byte, v uint32) {
+	b[0] = byte(v >> 16)
+	b[1] = byte(v >> 8)
+	b[2] = byte(v)
+}
diff --git a/vendor/go.mongodb.org/mongo-driver/bson/primitive/primitive.go b/vendor/go.mongodb.org/mongo-driver/bson/primitive/primitive.go
new file mode 100644
index 000000000..c72ccc1c4
--- /dev/null
+++ b/vendor/go.mongodb.org/mongo-driver/bson/primitive/primitive.go
@@ -0,0 +1,217 @@
+// Copyright (C) MongoDB, Inc. 2017-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+
+// Package primitive contains types similar to Go primitives for BSON types that do not have direct
+// Go primitive representations.
+package primitive // import "go.mongodb.org/mongo-driver/bson/primitive"
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"time"
+)
+
+// Binary represents a BSON binary value.
+type Binary struct {
+	Subtype byte
+	Data    []byte
+}
+
+// Equal compares bp to bp2 and returns true if they are equal.
+func (bp Binary) Equal(bp2 Binary) bool {
+	if bp.Subtype != bp2.Subtype {
+		return false
+	}
+	return bytes.Equal(bp.Data, bp2.Data)
+}
+
+// IsZero returns if bp is the empty Binary.
+func (bp Binary) IsZero() bool {
+	return bp.Subtype == 0 && len(bp.Data) == 0
+}
+
+// Undefined represents the BSON undefined value type.
+type Undefined struct{}
+
+// DateTime represents the BSON datetime value.
+type DateTime int64
+
+var _ json.Marshaler = DateTime(0)
+var _ json.Unmarshaler = (*DateTime)(nil)
+
+// MarshalJSON marshal to time type.
+func (d DateTime) MarshalJSON() ([]byte, error) {
+	return json.Marshal(d.Time())
+}
+
+// UnmarshalJSON creates a primitive.DateTime from a JSON string.
+func (d *DateTime) UnmarshalJSON(data []byte) error {
+	// Ignore "null" to keep parity with the time.Time type and the standard library. Decoding "null" into a non-pointer
+	// DateTime field will leave the field unchanged. For pointer values, the encoding/json will set the pointer to nil
+	// and will not defer to the UnmarshalJSON hook.
+	if string(data) == "null" {
+		return nil
+	}
+
+	var tempTime time.Time
+	if err := json.Unmarshal(data, &tempTime); err != nil {
+		return err
+	}
+
+	*d = NewDateTimeFromTime(tempTime)
+	return nil
+}
+
+// Time returns the date as a time type.
+func (d DateTime) Time() time.Time {
+	return time.Unix(int64(d)/1000, int64(d)%1000*1000000)
+}
+
+// NewDateTimeFromTime creates a new DateTime from a Time.
+func NewDateTimeFromTime(t time.Time) DateTime {
+	return DateTime(t.Unix()*1e3 + int64(t.Nanosecond())/1e6)
+}
+
+// Null represents the BSON null value.
+type Null struct{}
+
+// Regex represents a BSON regex value.
+type Regex struct {
+	Pattern string
+	Options string
+}
+
+func (rp Regex) String() string {
+	return fmt.Sprintf(`{"pattern": "%s", "options": "%s"}`, rp.Pattern, rp.Options)
+}
+
+// Equal compares rp to rp2 and returns true if they are equal.
+func (rp Regex) Equal(rp2 Regex) bool {
+	return rp.Pattern == rp2.Pattern && rp.Options == rp2.Options
+}
+
+// IsZero returns if rp is the empty Regex.
+func (rp Regex) IsZero() bool {
+	return rp.Pattern == "" && rp.Options == ""
+}
+
+// DBPointer represents a BSON dbpointer value.
+type DBPointer struct {
+	DB      string
+	Pointer ObjectID
+}
+
+func (d DBPointer) String() string {
+	return fmt.Sprintf(`{"db": "%s", "pointer": "%s"}`, d.DB, d.Pointer)
+}
+
+// Equal compares d to d2 and returns true if they are equal.
+func (d DBPointer) Equal(d2 DBPointer) bool {
+	return d == d2
+}
+
+// IsZero returns if d is the empty DBPointer.
+func (d DBPointer) IsZero() bool {
+	return d.DB == "" && d.Pointer.IsZero()
+}
+
+// JavaScript represents a BSON JavaScript code value.
+type JavaScript string
+
+// Symbol represents a BSON symbol value.
+type Symbol string
+
+// CodeWithScope represents a BSON JavaScript code with scope value.
+type CodeWithScope struct {
+	Code  JavaScript
+	Scope interface{}
+}
+
+func (cws CodeWithScope) String() string {
+	return fmt.Sprintf(`{"code": "%s", "scope": %v}`, cws.Code, cws.Scope)
+}
+
+// Timestamp represents a BSON timestamp value.
+type Timestamp struct {
+	T uint32
+	I uint32
+}
+
+// Equal compares tp to tp2 and returns true if they are equal.
+func (tp Timestamp) Equal(tp2 Timestamp) bool {
+	return tp.T == tp2.T && tp.I == tp2.I
+}
+
+// IsZero returns if tp is the zero Timestamp.
+func (tp Timestamp) IsZero() bool {
+	return tp.T == 0 && tp.I == 0
+}
+
+// CompareTimestamp returns an integer comparing two Timestamps, where T is compared first, followed by I.
+// Returns 0 if tp = tp2, 1 if tp > tp2, -1 if tp < tp2.
+func CompareTimestamp(tp, tp2 Timestamp) int {
+	if tp.Equal(tp2) {
+		return 0
+	}
+
+	if tp.T > tp2.T {
+		return 1
+	}
+	if tp.T < tp2.T {
+		return -1
+	}
+	// Compare I values because T values are equal
+	if tp.I > tp2.I {
+		return 1
+	}
+	return -1
+}
+
+// MinKey represents the BSON minkey value.
+type MinKey struct{}
+
+// MaxKey represents the BSON maxkey value.
+type MaxKey struct{}
+
+// D is an ordered representation of a BSON document. This type should be used when the order of the elements matters,
+// such as MongoDB command documents. If the order of the elements does not matter, an M should be used instead.
+//
+// Example usage:
+//
+//	bson.D{{"foo", "bar"}, {"hello", "world"}, {"pi", 3.14159}}
+type D []E
+
+// Map creates a map from the elements of the D.
+func (d D) Map() M {
+	m := make(M, len(d))
+	for _, e := range d {
+		m[e.Key] = e.Value
+	}
+	return m
+}
+
+// E represents a BSON element for a D. It is usually used inside a D.
+type E struct {
+	Key   string
+	Value interface{}
+}
+
+// M is an unordered representation of a BSON document. This type should be used when the order of the elements does not
+// matter. This type is handled as a regular map[string]interface{} when encoding and decoding. Elements will be
+// serialized in an undefined, random order. If the order of the elements matters, a D should be used instead.
+//
+// Example usage:
+//
+//	bson.M{"foo": "bar", "hello": "world", "pi": 3.14159}
+type M map[string]interface{}
+
+// An A is an ordered representation of a BSON array.
+//
+// Example usage:
+//
+//	bson.A{"bar", "world", 3.14159, bson.D{{"qux", 12345}}}
+type A []interface{}
diff --git a/vendor/go.mongodb.org/mongo-driver/bson/primitive_codecs.go b/vendor/go.mongodb.org/mongo-driver/bson/primitive_codecs.go
new file mode 100644
index 000000000..1cbe3884d
--- /dev/null
+++ b/vendor/go.mongodb.org/mongo-driver/bson/primitive_codecs.go
@@ -0,0 +1,92 @@
+// Copyright (C) MongoDB, Inc. 2017-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+
+package bson
+
+import (
+	"errors"
+	"reflect"
+
+	"go.mongodb.org/mongo-driver/bson/bsoncodec"
+	"go.mongodb.org/mongo-driver/bson/bsonrw"
+)
+
+var tRawValue = reflect.TypeOf(RawValue{})
+var tRaw = reflect.TypeOf(Raw(nil))
+
+var primitiveCodecs PrimitiveCodecs
+
+// PrimitiveCodecs is a namespace for all of the default bsoncodec.Codecs for the primitive types
+// defined in this package.
+type PrimitiveCodecs struct{}
+
+// RegisterPrimitiveCodecs will register the encode and decode methods attached to PrimitiveCodecs
+// with the provided RegistryBuilder. if rb is nil, a new empty RegistryBuilder will be created.
+func (pc PrimitiveCodecs) RegisterPrimitiveCodecs(rb *bsoncodec.RegistryBuilder) {
+	if rb == nil {
+		panic(errors.New("argument to RegisterPrimitiveCodecs must not be nil"))
+	}
+
+	rb.
+		RegisterTypeEncoder(tRawValue, bsoncodec.ValueEncoderFunc(pc.RawValueEncodeValue)).
+		RegisterTypeEncoder(tRaw, bsoncodec.ValueEncoderFunc(pc.RawEncodeValue)).
+		RegisterTypeDecoder(tRawValue, bsoncodec.ValueDecoderFunc(pc.RawValueDecodeValue)).
+		RegisterTypeDecoder(tRaw, bsoncodec.ValueDecoderFunc(pc.RawDecodeValue))
+}
+
+// RawValueEncodeValue is the ValueEncoderFunc for RawValue.
+func (PrimitiveCodecs) RawValueEncodeValue(ec bsoncodec.EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error {
+	if !val.IsValid() || val.Type() != tRawValue {
+		return bsoncodec.ValueEncoderError{Name: "RawValueEncodeValue", Types: []reflect.Type{tRawValue}, Received: val}
+	}
+
+	rawvalue := val.Interface().(RawValue)
+
+	return bsonrw.Copier{}.CopyValueFromBytes(vw, rawvalue.Type, rawvalue.Value)
+}
+
+// RawValueDecodeValue is the ValueDecoderFunc for RawValue.
+func (PrimitiveCodecs) RawValueDecodeValue(dc bsoncodec.DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error {
+	if !val.CanSet() || val.Type() != tRawValue {
+		return bsoncodec.ValueDecoderError{Name: "RawValueDecodeValue", Types: []reflect.Type{tRawValue}, Received: val}
+	}
+
+	t, value, err := bsonrw.Copier{}.CopyValueToBytes(vr)
+	if err != nil {
+		return err
+	}
+
+	val.Set(reflect.ValueOf(RawValue{Type: t, Value: value}))
+	return nil
+}
+
+// RawEncodeValue is the ValueEncoderFunc for Reader.
+func (PrimitiveCodecs) RawEncodeValue(ec bsoncodec.EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error {
+	if !val.IsValid() || val.Type() != tRaw {
+		return bsoncodec.ValueEncoderError{Name: "RawEncodeValue", Types: []reflect.Type{tRaw}, Received: val}
+	}
+
+	rdr := val.Interface().(Raw)
+
+	return bsonrw.Copier{}.CopyDocumentFromBytes(vw, rdr)
+}
+
+// RawDecodeValue is the ValueDecoderFunc for Reader.
+func (PrimitiveCodecs) RawDecodeValue(dc bsoncodec.DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error {
+	if !val.CanSet() || val.Type() != tRaw {
+		return bsoncodec.ValueDecoderError{Name: "RawDecodeValue", Types: []reflect.Type{tRaw}, Received: val}
+	}
+
+	if val.IsNil() {
+		val.Set(reflect.MakeSlice(val.Type(), 0, 0))
+	}
+
+	val.SetLen(0)
+
+	rdr, err := bsonrw.Copier{}.AppendDocumentBytes(val.Interface().(Raw), vr)
+	val.Set(reflect.ValueOf(rdr))
+	return err
+}
diff --git a/vendor/go.mongodb.org/mongo-driver/bson/raw.go b/vendor/go.mongodb.org/mongo-driver/bson/raw.go
new file mode 100644
index 000000000..efd705daa
--- /dev/null
+++ b/vendor/go.mongodb.org/mongo-driver/bson/raw.go
@@ -0,0 +1,85 @@
+// Copyright (C) MongoDB, Inc. 2017-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+
+package bson
+
+import (
+	"errors"
+	"io"
+
+	"go.mongodb.org/mongo-driver/x/bsonx/bsoncore"
+)
+
+// ErrNilReader indicates that an operation was attempted on a nil bson.Reader.
+var ErrNilReader = errors.New("nil reader")
+
+// Raw is a wrapper around a byte slice. It will interpret the slice as a
+// BSON document. This type is a wrapper around a bsoncore.Document. Errors returned from the
+// methods on this type and associated types come from the bsoncore package.
+type Raw []byte
+
+// NewFromIOReader reads in a document from the given io.Reader and constructs a Raw from
+// it.
+func NewFromIOReader(r io.Reader) (Raw, error) {
+	doc, err := bsoncore.NewDocumentFromReader(r)
+	return Raw(doc), err
+}
+
+// Validate validates the document. This method only validates the first document in
+// the slice, to validate other documents, the slice must be resliced.
+func (r Raw) Validate() (err error) { return bsoncore.Document(r).Validate() }
+
+// Lookup search the document, potentially recursively, for the given key. If
+// there are multiple keys provided, this method will recurse down, as long as
+// the top and intermediate nodes are either documents or arrays.If an error
+// occurs or if the value doesn't exist, an empty RawValue is returned.
+func (r Raw) Lookup(key ...string) RawValue {
+	return convertFromCoreValue(bsoncore.Document(r).Lookup(key...))
+}
+
+// LookupErr searches the document and potentially subdocuments or arrays for the
+// provided key. Each key provided to this method represents a layer of depth.
+func (r Raw) LookupErr(key ...string) (RawValue, error) {
+	val, err := bsoncore.Document(r).LookupErr(key...)
+	return convertFromCoreValue(val), err
+}
+
+// Elements returns this document as a slice of elements. The returned slice will contain valid
+// elements. If the document is not valid, the elements up to the invalid point will be returned
+// along with an error.
+func (r Raw) Elements() ([]RawElement, error) {
+	elems, err := bsoncore.Document(r).Elements()
+	relems := make([]RawElement, 0, len(elems))
+	for _, elem := range elems {
+		relems = append(relems, RawElement(elem))
+	}
+	return relems, err
+}
+
+// Values returns this document as a slice of values. The returned slice will contain valid values.
+// If the document is not valid, the values up to the invalid point will be returned along with an
+// error.
+func (r Raw) Values() ([]RawValue, error) {
+	vals, err := bsoncore.Document(r).Values()
+	rvals := make([]RawValue, 0, len(vals))
+	for _, val := range vals {
+		rvals = append(rvals, convertFromCoreValue(val))
+	}
+	return rvals, err
+}
+
+// Index searches for and retrieves the element at the given index. This method will panic if
+// the document is invalid or if the index is out of bounds.
+func (r Raw) Index(index uint) RawElement { return RawElement(bsoncore.Document(r).Index(index)) }
+
+// IndexErr searches for and retrieves the element at the given index.
+func (r Raw) IndexErr(index uint) (RawElement, error) {
+	elem, err := bsoncore.Document(r).IndexErr(index)
+	return RawElement(elem), err
+}
+
+// String implements the fmt.Stringer interface.
+func (r Raw) String() string { return bsoncore.Document(r).String() }
diff --git a/vendor/go.mongodb.org/mongo-driver/bson/raw_element.go b/vendor/go.mongodb.org/mongo-driver/bson/raw_element.go
new file mode 100644
index 000000000..006f503a3
--- /dev/null
+++ b/vendor/go.mongodb.org/mongo-driver/bson/raw_element.go
@@ -0,0 +1,51 @@
+// Copyright (C) MongoDB, Inc. 2017-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+
+package bson
+
+import (
+	"go.mongodb.org/mongo-driver/x/bsonx/bsoncore"
+)
+
+// RawElement represents a BSON element in byte form. This type provides a simple way to
+// transform a slice of bytes into a BSON element and extract information from it.
+//
+// RawElement is a thin wrapper around a bsoncore.Element.
+type RawElement []byte
+
+// Key returns the key for this element. If the element is not valid, this method returns an empty
+// string. If knowing if the element is valid is important, use KeyErr.
+func (re RawElement) Key() string { return bsoncore.Element(re).Key() }
+
+// KeyErr returns the key for this element, returning an error if the element is not valid.
+func (re RawElement) KeyErr() (string, error) { return bsoncore.Element(re).KeyErr() }
+
+// Value returns the value of this element. If the element is not valid, this method returns an
+// empty Value. If knowing if the element is valid is important, use ValueErr.
+func (re RawElement) Value() RawValue { return convertFromCoreValue(bsoncore.Element(re).Value()) }
+
+// ValueErr returns the value for this element, returning an error if the element is not valid.
+func (re RawElement) ValueErr() (RawValue, error) {
+	val, err := bsoncore.Element(re).ValueErr()
+	return convertFromCoreValue(val), err
+}
+
+// Validate ensures re is a valid BSON element.
+func (re RawElement) Validate() error { return bsoncore.Element(re).Validate() }
+
+// String implements the fmt.Stringer interface. The output will be in extended JSON format.
+func (re RawElement) String() string {
+	doc := bsoncore.BuildDocument(nil, re)
+	j, err := MarshalExtJSON(Raw(doc), true, false)
+	if err != nil {
+		return "<malformed>"
+	}
+	return string(j)
+}
+
+// DebugString outputs a human readable version of RawElement. It will attempt to stringify the
+// valid components of the element even if the entire element is not valid.
+func (re RawElement) DebugString() string { return bsoncore.Element(re).DebugString() }
diff --git a/vendor/go.mongodb.org/mongo-driver/bson/raw_value.go b/vendor/go.mongodb.org/mongo-driver/bson/raw_value.go
new file mode 100644
index 000000000..75297f30f
--- /dev/null
+++ b/vendor/go.mongodb.org/mongo-driver/bson/raw_value.go
@@ -0,0 +1,309 @@
+// Copyright (C) MongoDB, Inc. 2017-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+
+package bson
+
+import (
+	"bytes"
+	"errors"
+	"fmt"
+	"reflect"
+	"time"
+
+	"go.mongodb.org/mongo-driver/bson/bsoncodec"
+	"go.mongodb.org/mongo-driver/bson/bsonrw"
+	"go.mongodb.org/mongo-driver/bson/bsontype"
+	"go.mongodb.org/mongo-driver/bson/primitive"
+	"go.mongodb.org/mongo-driver/x/bsonx/bsoncore"
+)
+
+// ErrNilContext is returned when the provided DecodeContext is nil.
+var ErrNilContext = errors.New("DecodeContext cannot be nil")
+
+// ErrNilRegistry is returned when the provided registry is nil.
+var ErrNilRegistry = errors.New("Registry cannot be nil")
+
+// RawValue represents a BSON value in byte form. It can be used to hold unprocessed BSON or to
+// defer processing of BSON. Type is the BSON type of the value and Value are the raw bytes that
+// represent the element.
+//
+// This type wraps bsoncore.Value for most of it's functionality.
+type RawValue struct {
+	Type  bsontype.Type
+	Value []byte
+
+	r *bsoncodec.Registry
+}
+
+// Unmarshal deserializes BSON into the provided val. If RawValue cannot be unmarshaled into val, an
+// error is returned. This method will use the registry used to create the RawValue, if the RawValue
+// was created from partial BSON processing, or it will use the default registry. Users wishing to
+// specify the registry to use should use UnmarshalWithRegistry.
+func (rv RawValue) Unmarshal(val interface{}) error {
+	reg := rv.r
+	if reg == nil {
+		reg = DefaultRegistry
+	}
+	return rv.UnmarshalWithRegistry(reg, val)
+}
+
+// Equal compares rv and rv2 and returns true if they are equal.
+func (rv RawValue) Equal(rv2 RawValue) bool {
+	if rv.Type != rv2.Type {
+		return false
+	}
+
+	if !bytes.Equal(rv.Value, rv2.Value) {
+		return false
+	}
+
+	return true
+}
+
+// UnmarshalWithRegistry performs the same unmarshalling as Unmarshal but uses the provided registry
+// instead of the one attached or the default registry.
+func (rv RawValue) UnmarshalWithRegistry(r *bsoncodec.Registry, val interface{}) error {
+	if r == nil {
+		return ErrNilRegistry
+	}
+
+	vr := bsonrw.NewBSONValueReader(rv.Type, rv.Value)
+	rval := reflect.ValueOf(val)
+	if rval.Kind() != reflect.Ptr {
+		return fmt.Errorf("argument to Unmarshal* must be a pointer to a type, but got %v", rval)
+	}
+	rval = rval.Elem()
+	dec, err := r.LookupDecoder(rval.Type())
+	if err != nil {
+		return err
+	}
+	return dec.DecodeValue(bsoncodec.DecodeContext{Registry: r}, vr, rval)
+}
+
+// UnmarshalWithContext performs the same unmarshalling as Unmarshal but uses the provided DecodeContext
+// instead of the one attached or the default registry.
+func (rv RawValue) UnmarshalWithContext(dc *bsoncodec.DecodeContext, val interface{}) error {
+	if dc == nil {
+		return ErrNilContext
+	}
+
+	vr := bsonrw.NewBSONValueReader(rv.Type, rv.Value)
+	rval := reflect.ValueOf(val)
+	if rval.Kind() != reflect.Ptr {
+		return fmt.Errorf("argument to Unmarshal* must be a pointer to a type, but got %v", rval)
+	}
+	rval = rval.Elem()
+	dec, err := dc.LookupDecoder(rval.Type())
+	if err != nil {
+		return err
+	}
+	return dec.DecodeValue(*dc, vr, rval)
+}
+
+func convertFromCoreValue(v bsoncore.Value) RawValue { return RawValue{Type: v.Type, Value: v.Data} }
+func convertToCoreValue(v RawValue) bsoncore.Value {
+	return bsoncore.Value{Type: v.Type, Data: v.Value}
+}
+
+// Validate ensures the value is a valid BSON value.
+func (rv RawValue) Validate() error { return convertToCoreValue(rv).Validate() }
+
+// IsNumber returns true if the type of v is a numeric BSON type.
+func (rv RawValue) IsNumber() bool { return convertToCoreValue(rv).IsNumber() }
+
+// String implements the fmt.String interface. This method will return values in extended JSON
+// format. If the value is not valid, this returns an empty string
+func (rv RawValue) String() string { return convertToCoreValue(rv).String() }
+
+// DebugString outputs a human readable version of Document. It will attempt to stringify the
+// valid components of the document even if the entire document is not valid.
+func (rv RawValue) DebugString() string { return convertToCoreValue(rv).DebugString() }
+
+// Double returns the float64 value for this element.
+// It panics if e's BSON type is not bsontype.Double.
+func (rv RawValue) Double() float64 { return convertToCoreValue(rv).Double() }
+
+// DoubleOK is the same as Double, but returns a boolean instead of panicking.
+func (rv RawValue) DoubleOK() (float64, bool) { return convertToCoreValue(rv).DoubleOK() }
+
+// StringValue returns the string value for this element.
+// It panics if e's BSON type is not bsontype.String.
+//
+// NOTE: This method is called StringValue to avoid a collision with the String method which
+// implements the fmt.Stringer interface.
+func (rv RawValue) StringValue() string { return convertToCoreValue(rv).StringValue() }
+
+// StringValueOK is the same as StringValue, but returns a boolean instead of
+// panicking.
+func (rv RawValue) StringValueOK() (string, bool) { return convertToCoreValue(rv).StringValueOK() }
+
+// Document returns the BSON document the Value represents as a Document. It panics if the
+// value is a BSON type other than document.
+func (rv RawValue) Document() Raw { return Raw(convertToCoreValue(rv).Document()) }
+
+// DocumentOK is the same as Document, except it returns a boolean
+// instead of panicking.
+func (rv RawValue) DocumentOK() (Raw, bool) {
+	doc, ok := convertToCoreValue(rv).DocumentOK()
+	return Raw(doc), ok
+}
+
+// Array returns the BSON array the Value represents as an Array. It panics if the
+// value is a BSON type other than array.
+func (rv RawValue) Array() Raw { return Raw(convertToCoreValue(rv).Array()) }
+
+// ArrayOK is the same as Array, except it returns a boolean instead
+// of panicking.
+func (rv RawValue) ArrayOK() (Raw, bool) {
+	doc, ok := convertToCoreValue(rv).ArrayOK()
+	return Raw(doc), ok
+}
+
+// Binary returns the BSON binary value the Value represents. It panics if the value is a BSON type
+// other than binary.
+func (rv RawValue) Binary() (subtype byte, data []byte) { return convertToCoreValue(rv).Binary() }
+
+// BinaryOK is the same as Binary, except it returns a boolean instead of
+// panicking.
+func (rv RawValue) BinaryOK() (subtype byte, data []byte, ok bool) {
+	return convertToCoreValue(rv).BinaryOK()
+}
+
+// ObjectID returns the BSON objectid value the Value represents. It panics if the value is a BSON
+// type other than objectid.
+func (rv RawValue) ObjectID() primitive.ObjectID { return convertToCoreValue(rv).ObjectID() }
+
+// ObjectIDOK is the same as ObjectID, except it returns a boolean instead of
+// panicking.
+func (rv RawValue) ObjectIDOK() (primitive.ObjectID, bool) {
+	return convertToCoreValue(rv).ObjectIDOK()
+}
+
+// Boolean returns the boolean value the Value represents. It panics if the
+// value is a BSON type other than boolean.
+func (rv RawValue) Boolean() bool { return convertToCoreValue(rv).Boolean() }
+
+// BooleanOK is the same as Boolean, except it returns a boolean instead of
+// panicking.
+func (rv RawValue) BooleanOK() (bool, bool) { return convertToCoreValue(rv).BooleanOK() }
+
+// DateTime returns the BSON datetime value the Value represents as a
+// unix timestamp. It panics if the value is a BSON type other than datetime.
+func (rv RawValue) DateTime() int64 { return convertToCoreValue(rv).DateTime() }
+
+// DateTimeOK is the same as DateTime, except it returns a boolean instead of
+// panicking.
+func (rv RawValue) DateTimeOK() (int64, bool) { return convertToCoreValue(rv).DateTimeOK() }
+
+// Time returns the BSON datetime value the Value represents. It panics if the value is a BSON
+// type other than datetime.
+func (rv RawValue) Time() time.Time { return convertToCoreValue(rv).Time() }
+
+// TimeOK is the same as Time, except it returns a boolean instead of
+// panicking.
+func (rv RawValue) TimeOK() (time.Time, bool) { return convertToCoreValue(rv).TimeOK() }
+
+// Regex returns the BSON regex value the Value represents. It panics if the value is a BSON
+// type other than regex.
+func (rv RawValue) Regex() (pattern, options string) { return convertToCoreValue(rv).Regex() }
+
+// RegexOK is the same as Regex, except it returns a boolean instead of
+// panicking.
+func (rv RawValue) RegexOK() (pattern, options string, ok bool) {
+	return convertToCoreValue(rv).RegexOK()
+}
+
+// DBPointer returns the BSON dbpointer value the Value represents. It panics if the value is a BSON
+// type other than DBPointer.
+func (rv RawValue) DBPointer() (string, primitive.ObjectID) {
+	return convertToCoreValue(rv).DBPointer()
+}
+
+// DBPointerOK is the same as DBPoitner, except that it returns a boolean
+// instead of panicking.
+func (rv RawValue) DBPointerOK() (string, primitive.ObjectID, bool) {
+	return convertToCoreValue(rv).DBPointerOK()
+}
+
+// JavaScript returns the BSON JavaScript code value the Value represents. It panics if the value is
+// a BSON type other than JavaScript code.
+func (rv RawValue) JavaScript() string { return convertToCoreValue(rv).JavaScript() }
+
+// JavaScriptOK is the same as Javascript, excepti that it returns a boolean
+// instead of panicking.
+func (rv RawValue) JavaScriptOK() (string, bool) { return convertToCoreValue(rv).JavaScriptOK() }
+
+// Symbol returns the BSON symbol value the Value represents. It panics if the value is a BSON
+// type other than symbol.
+func (rv RawValue) Symbol() string { return convertToCoreValue(rv).Symbol() }
+
+// SymbolOK is the same as Symbol, excepti that it returns a boolean
+// instead of panicking.
+func (rv RawValue) SymbolOK() (string, bool) { return convertToCoreValue(rv).SymbolOK() }
+
+// CodeWithScope returns the BSON JavaScript code with scope the Value represents.
+// It panics if the value is a BSON type other than JavaScript code with scope.
+func (rv RawValue) CodeWithScope() (string, Raw) {
+	code, scope := convertToCoreValue(rv).CodeWithScope()
+	return code, Raw(scope)
+}
+
+// CodeWithScopeOK is the same as CodeWithScope, except that it returns a boolean instead of
+// panicking.
+func (rv RawValue) CodeWithScopeOK() (string, Raw, bool) {
+	code, scope, ok := convertToCoreValue(rv).CodeWithScopeOK()
+	return code, Raw(scope), ok
+}
+
+// Int32 returns the int32 the Value represents. It panics if the value is a BSON type other than
+// int32.
+func (rv RawValue) Int32() int32 { return convertToCoreValue(rv).Int32() }
+
+// Int32OK is the same as Int32, except that it returns a boolean instead of
+// panicking.
+func (rv RawValue) Int32OK() (int32, bool) { return convertToCoreValue(rv).Int32OK() }
+
+// AsInt32 returns a BSON number as an int32. If the BSON type is not a numeric one, this method
+// will panic.
+func (rv RawValue) AsInt32() int32 { return convertToCoreValue(rv).AsInt32() }
+
+// AsInt32OK is the same as AsInt32, except that it returns a boolean instead of
+// panicking.
+func (rv RawValue) AsInt32OK() (int32, bool) { return convertToCoreValue(rv).AsInt32OK() }
+
+// Timestamp returns the BSON timestamp value the Value represents. It panics if the value is a
+// BSON type other than timestamp.
+func (rv RawValue) Timestamp() (t, i uint32) { return convertToCoreValue(rv).Timestamp() }
+
+// TimestampOK is the same as Timestamp, except that it returns a boolean
+// instead of panicking.
+func (rv RawValue) TimestampOK() (t, i uint32, ok bool) { return convertToCoreValue(rv).TimestampOK() }
+
+// Int64 returns the int64 the Value represents. It panics if the value is a BSON type other than
+// int64.
+func (rv RawValue) Int64() int64 { return convertToCoreValue(rv).Int64() }
+
+// Int64OK is the same as Int64, except that it returns a boolean instead of
+// panicking.
+func (rv RawValue) Int64OK() (int64, bool) { return convertToCoreValue(rv).Int64OK() }
+
+// AsInt64 returns a BSON number as an int64. If the BSON type is not a numeric one, this method
+// will panic.
+func (rv RawValue) AsInt64() int64 { return convertToCoreValue(rv).AsInt64() }
+
+// AsInt64OK is the same as AsInt64, except that it returns a boolean instead of
+// panicking.
+func (rv RawValue) AsInt64OK() (int64, bool) { return convertToCoreValue(rv).AsInt64OK() }
+
+// Decimal128 returns the decimal the Value represents. It panics if the value is a BSON type other than
+// decimal.
+func (rv RawValue) Decimal128() primitive.Decimal128 { return convertToCoreValue(rv).Decimal128() }
+
+// Decimal128OK is the same as Decimal128, except that it returns a boolean
+// instead of panicking.
+func (rv RawValue) Decimal128OK() (primitive.Decimal128, bool) {
+	return convertToCoreValue(rv).Decimal128OK()
+}
diff --git a/vendor/go.mongodb.org/mongo-driver/bson/registry.go b/vendor/go.mongodb.org/mongo-driver/bson/registry.go
new file mode 100644
index 000000000..16d7573e7
--- /dev/null
+++ b/vendor/go.mongodb.org/mongo-driver/bson/registry.go
@@ -0,0 +1,24 @@
+// Copyright (C) MongoDB, Inc. 2017-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+
+package bson
+
+import "go.mongodb.org/mongo-driver/bson/bsoncodec"
+
+// DefaultRegistry is the default bsoncodec.Registry. It contains the default codecs and the
+// primitive codecs.
+var DefaultRegistry = NewRegistryBuilder().Build()
+
+// NewRegistryBuilder creates a new RegistryBuilder configured with the default encoders and
+// decoders from the bsoncodec.DefaultValueEncoders and bsoncodec.DefaultValueDecoders types and the
+// PrimitiveCodecs type in this package.
+func NewRegistryBuilder() *bsoncodec.RegistryBuilder {
+	rb := bsoncodec.NewRegistryBuilder()
+	bsoncodec.DefaultValueEncoders{}.RegisterDefaultEncoders(rb)
+	bsoncodec.DefaultValueDecoders{}.RegisterDefaultDecoders(rb)
+	primitiveCodecs.RegisterPrimitiveCodecs(rb)
+	return rb
+}
diff --git a/vendor/go.mongodb.org/mongo-driver/bson/types.go b/vendor/go.mongodb.org/mongo-driver/bson/types.go
new file mode 100644
index 000000000..13a1c35cf
--- /dev/null
+++ b/vendor/go.mongodb.org/mongo-driver/bson/types.go
@@ -0,0 +1,36 @@
+// Copyright (C) MongoDB, Inc. 2017-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+
+package bson
+
+import (
+	"go.mongodb.org/mongo-driver/bson/bsontype"
+)
+
+// These constants uniquely refer to each BSON type.
+const (
+	TypeDouble           = bsontype.Double
+	TypeString           = bsontype.String
+	TypeEmbeddedDocument = bsontype.EmbeddedDocument
+	TypeArray            = bsontype.Array
+	TypeBinary           = bsontype.Binary
+	TypeUndefined        = bsontype.Undefined
+	TypeObjectID         = bsontype.ObjectID
+	TypeBoolean          = bsontype.Boolean
+	TypeDateTime         = bsontype.DateTime
+	TypeNull             = bsontype.Null
+	TypeRegex            = bsontype.Regex
+	TypeDBPointer        = bsontype.DBPointer
+	TypeJavaScript       = bsontype.JavaScript
+	TypeSymbol           = bsontype.Symbol
+	TypeCodeWithScope    = bsontype.CodeWithScope
+	TypeInt32            = bsontype.Int32
+	TypeTimestamp        = bsontype.Timestamp
+	TypeInt64            = bsontype.Int64
+	TypeDecimal128       = bsontype.Decimal128
+	TypeMinKey           = bsontype.MinKey
+	TypeMaxKey           = bsontype.MaxKey
+)
diff --git a/vendor/go.mongodb.org/mongo-driver/bson/unmarshal.go b/vendor/go.mongodb.org/mongo-driver/bson/unmarshal.go
new file mode 100644
index 000000000..f936ba183
--- /dev/null
+++ b/vendor/go.mongodb.org/mongo-driver/bson/unmarshal.go
@@ -0,0 +1,101 @@
+// Copyright (C) MongoDB, Inc. 2017-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+
+package bson
+
+import (
+	"bytes"
+
+	"go.mongodb.org/mongo-driver/bson/bsoncodec"
+	"go.mongodb.org/mongo-driver/bson/bsonrw"
+	"go.mongodb.org/mongo-driver/bson/bsontype"
+)
+
+// Unmarshaler is an interface implemented by types that can unmarshal a BSON
+// document representation of themselves. The BSON bytes can be assumed to be
+// valid. UnmarshalBSON must copy the BSON bytes if it wishes to retain the data
+// after returning.
+type Unmarshaler interface {
+	UnmarshalBSON([]byte) error
+}
+
+// ValueUnmarshaler is an interface implemented by types that can unmarshal a
+// BSON value representation of themselves. The BSON bytes and type can be
+// assumed to be valid. UnmarshalBSONValue must copy the BSON value bytes if it
+// wishes to retain the data after returning.
+type ValueUnmarshaler interface {
+	UnmarshalBSONValue(bsontype.Type, []byte) error
+}
+
+// Unmarshal parses the BSON-encoded data and stores the result in the value
+// pointed to by val. If val is nil or not a pointer, Unmarshal returns
+// InvalidUnmarshalError.
+func Unmarshal(data []byte, val interface{}) error {
+	return UnmarshalWithRegistry(DefaultRegistry, data, val)
+}
+
+// UnmarshalWithRegistry parses the BSON-encoded data using Registry r and
+// stores the result in the value pointed to by val. If val is nil or not
+// a pointer, UnmarshalWithRegistry returns InvalidUnmarshalError.
+func UnmarshalWithRegistry(r *bsoncodec.Registry, data []byte, val interface{}) error {
+	vr := bsonrw.NewBSONDocumentReader(data)
+	return unmarshalFromReader(bsoncodec.DecodeContext{Registry: r}, vr, val)
+}
+
+// UnmarshalWithContext parses the BSON-encoded data using DecodeContext dc and
+// stores the result in the value pointed to by val. If val is nil or not
+// a pointer, UnmarshalWithRegistry returns InvalidUnmarshalError.
+func UnmarshalWithContext(dc bsoncodec.DecodeContext, data []byte, val interface{}) error {
+	vr := bsonrw.NewBSONDocumentReader(data)
+	return unmarshalFromReader(dc, vr, val)
+}
+
+// UnmarshalExtJSON parses the extended JSON-encoded data and stores the result
+// in the value pointed to by val. If val is nil or not a pointer, Unmarshal
+// returns InvalidUnmarshalError.
+func UnmarshalExtJSON(data []byte, canonical bool, val interface{}) error {
+	return UnmarshalExtJSONWithRegistry(DefaultRegistry, data, canonical, val)
+}
+
+// UnmarshalExtJSONWithRegistry parses the extended JSON-encoded data using
+// Registry r and stores the result in the value pointed to by val. If val is
+// nil or not a pointer, UnmarshalWithRegistry returns InvalidUnmarshalError.
+func UnmarshalExtJSONWithRegistry(r *bsoncodec.Registry, data []byte, canonical bool, val interface{}) error {
+	ejvr, err := bsonrw.NewExtJSONValueReader(bytes.NewReader(data), canonical)
+	if err != nil {
+		return err
+	}
+
+	return unmarshalFromReader(bsoncodec.DecodeContext{Registry: r}, ejvr, val)
+}
+
+// UnmarshalExtJSONWithContext parses the extended JSON-encoded data using
+// DecodeContext dc and stores the result in the value pointed to by val. If val is
+// nil or not a pointer, UnmarshalWithRegistry returns InvalidUnmarshalError.
+func UnmarshalExtJSONWithContext(dc bsoncodec.DecodeContext, data []byte, canonical bool, val interface{}) error {
+	ejvr, err := bsonrw.NewExtJSONValueReader(bytes.NewReader(data), canonical)
+	if err != nil {
+		return err
+	}
+
+	return unmarshalFromReader(dc, ejvr, val)
+}
+
+func unmarshalFromReader(dc bsoncodec.DecodeContext, vr bsonrw.ValueReader, val interface{}) error {
+	dec := decPool.Get().(*Decoder)
+	defer decPool.Put(dec)
+
+	err := dec.Reset(vr)
+	if err != nil {
+		return err
+	}
+	err = dec.SetContext(dc)
+	if err != nil {
+		return err
+	}
+
+	return dec.Decode(val)
+}
diff --git a/vendor/go.mongodb.org/mongo-driver/x/bsonx/bsoncore/array.go b/vendor/go.mongodb.org/mongo-driver/x/bsonx/bsoncore/array.go
new file mode 100644
index 000000000..8ea60ba3c
--- /dev/null
+++ b/vendor/go.mongodb.org/mongo-driver/x/bsonx/bsoncore/array.go
@@ -0,0 +1,164 @@
+// Copyright (C) MongoDB, Inc. 2017-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+
+package bsoncore
+
+import (
+	"bytes"
+	"fmt"
+	"io"
+	"strconv"
+)
+
+// NewArrayLengthError creates and returns an error for when the length of an array exceeds the
+// bytes available.
+func NewArrayLengthError(length, rem int) error {
+	return lengthError("array", length, rem)
+}
+
+// Array is a raw bytes representation of a BSON array.
+type Array []byte
+
+// NewArrayFromReader reads an array from r. This function will only validate the length is
+// correct and that the array ends with a null byte.
+func NewArrayFromReader(r io.Reader) (Array, error) {
+	return newBufferFromReader(r)
+}
+
+// Index searches for and retrieves the value at the given index. This method will panic if
+// the array is invalid or if the index is out of bounds.
+func (a Array) Index(index uint) Value {
+	value, err := a.IndexErr(index)
+	if err != nil {
+		panic(err)
+	}
+	return value
+}
+
+// IndexErr searches for and retrieves the value at the given index.
+func (a Array) IndexErr(index uint) (Value, error) {
+	elem, err := indexErr(a, index)
+	if err != nil {
+		return Value{}, err
+	}
+	return elem.Value(), err
+}
+
+// DebugString outputs a human readable version of Array. It will attempt to stringify the
+// valid components of the array even if the entire array is not valid.
+func (a Array) DebugString() string {
+	if len(a) < 5 {
+		return "<malformed>"
+	}
+	var buf bytes.Buffer
+	buf.WriteString("Array")
+	length, rem, _ := ReadLength(a) // We know we have enough bytes to read the length
+	buf.WriteByte('(')
+	buf.WriteString(strconv.Itoa(int(length)))
+	length -= 4
+	buf.WriteString(")[")
+	var elem Element
+	var ok bool
+	for length > 1 {
+		elem, rem, ok = ReadElement(rem)
+		length -= int32(len(elem))
+		if !ok {
+			buf.WriteString(fmt.Sprintf("<malformed (%d)>", length))
+			break
+		}
+		fmt.Fprintf(&buf, "%s", elem.Value().DebugString())
+		if length != 1 {
+			buf.WriteByte(',')
+		}
+	}
+	buf.WriteByte(']')
+
+	return buf.String()
+}
+
+// String outputs an ExtendedJSON version of Array. If the Array is not valid, this method
+// returns an empty string.
+func (a Array) String() string {
+	if len(a) < 5 {
+		return ""
+	}
+	var buf bytes.Buffer
+	buf.WriteByte('[')
+
+	length, rem, _ := ReadLength(a) // We know we have enough bytes to read the length
+
+	length -= 4
+
+	var elem Element
+	var ok bool
+	for length > 1 {
+		elem, rem, ok = ReadElement(rem)
+		length -= int32(len(elem))
+		if !ok {
+			return ""
+		}
+		fmt.Fprintf(&buf, "%s", elem.Value().String())
+		if length > 1 {
+			buf.WriteByte(',')
+		}
+	}
+	if length != 1 { // Missing final null byte or inaccurate length
+		return ""
+	}
+
+	buf.WriteByte(']')
+	return buf.String()
+}
+
+// Values returns this array as a slice of values. The returned slice will contain valid values.
+// If the array is not valid, the values up to the invalid point will be returned along with an
+// error.
+func (a Array) Values() ([]Value, error) {
+	return values(a)
+}
+
+// Validate validates the array and ensures the elements contained within are valid.
+func (a Array) Validate() error {
+	length, rem, ok := ReadLength(a)
+	if !ok {
+		return NewInsufficientBytesError(a, rem)
+	}
+	if int(length) > len(a) {
+		return NewArrayLengthError(int(length), len(a))
+	}
+	if a[length-1] != 0x00 {
+		return ErrMissingNull
+	}
+
+	length -= 4
+	var elem Element
+
+	var keyNum int64
+	for length > 1 {
+		elem, rem, ok = ReadElement(rem)
+		length -= int32(len(elem))
+		if !ok {
+			return NewInsufficientBytesError(a, rem)
+		}
+
+		// validate element
+		err := elem.Validate()
+		if err != nil {
+			return err
+		}
+
+		// validate keys increase numerically
+		if fmt.Sprint(keyNum) != elem.Key() {
+			return fmt.Errorf("array key %q is out of order or invalid", elem.Key())
+		}
+		keyNum++
+	}
+
+	if len(rem) < 1 || rem[0] != 0x00 {
+		return ErrMissingNull
+	}
+	return nil
+}
diff --git a/vendor/go.mongodb.org/mongo-driver/x/bsonx/bsoncore/bson_arraybuilder.go b/vendor/go.mongodb.org/mongo-driver/x/bsonx/bsoncore/bson_arraybuilder.go
new file mode 100644
index 000000000..7e6937d89
--- /dev/null
+++ b/vendor/go.mongodb.org/mongo-driver/x/bsonx/bsoncore/bson_arraybuilder.go
@@ -0,0 +1,201 @@
+// Copyright (C) MongoDB, Inc. 2017-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+
+package bsoncore
+
+import (
+	"strconv"
+
+	"go.mongodb.org/mongo-driver/bson/bsontype"
+	"go.mongodb.org/mongo-driver/bson/primitive"
+)
+
+// ArrayBuilder builds a bson array
+type ArrayBuilder struct {
+	arr     []byte
+	indexes []int32
+	keys    []int
+}
+
+// NewArrayBuilder creates a new ArrayBuilder
+func NewArrayBuilder() *ArrayBuilder {
+	return (&ArrayBuilder{}).startArray()
+}
+
+// startArray reserves the array's length and sets the index to where the length begins
+func (a *ArrayBuilder) startArray() *ArrayBuilder {
+	var index int32
+	index, a.arr = AppendArrayStart(a.arr)
+	a.indexes = append(a.indexes, index)
+	a.keys = append(a.keys, 0)
+	return a
+}
+
+// Build updates the length of the array and index to the beginning of the documents length
+// bytes, then returns the array (bson bytes)
+func (a *ArrayBuilder) Build() Array {
+	lastIndex := len(a.indexes) - 1
+	lastKey := len(a.keys) - 1
+	a.arr, _ = AppendArrayEnd(a.arr, a.indexes[lastIndex])
+	a.indexes = a.indexes[:lastIndex]
+	a.keys = a.keys[:lastKey]
+	return a.arr
+}
+
+// incrementKey() increments the value keys and returns the key to be used to a.appendArray* functions
+func (a *ArrayBuilder) incrementKey() string {
+	idx := len(a.keys) - 1
+	key := strconv.Itoa(a.keys[idx])
+	a.keys[idx]++
+	return key
+}
+
+// AppendInt32 will append i32 to ArrayBuilder.arr
+func (a *ArrayBuilder) AppendInt32(i32 int32) *ArrayBuilder {
+	a.arr = AppendInt32Element(a.arr, a.incrementKey(), i32)
+	return a
+}
+
+// AppendDocument will append doc to ArrayBuilder.arr
+func (a *ArrayBuilder) AppendDocument(doc []byte) *ArrayBuilder {
+	a.arr = AppendDocumentElement(a.arr, a.incrementKey(), doc)
+	return a
+}
+
+// AppendArray will append arr to ArrayBuilder.arr
+func (a *ArrayBuilder) AppendArray(arr []byte) *ArrayBuilder {
+	a.arr = AppendArrayElement(a.arr, a.incrementKey(), arr)
+	return a
+}
+
+// AppendDouble will append f to ArrayBuilder.doc
+func (a *ArrayBuilder) AppendDouble(f float64) *ArrayBuilder {
+	a.arr = AppendDoubleElement(a.arr, a.incrementKey(), f)
+	return a
+}
+
+// AppendString will append str to ArrayBuilder.doc
+func (a *ArrayBuilder) AppendString(str string) *ArrayBuilder {
+	a.arr = AppendStringElement(a.arr, a.incrementKey(), str)
+	return a
+}
+
+// AppendObjectID will append oid to ArrayBuilder.doc
+func (a *ArrayBuilder) AppendObjectID(oid primitive.ObjectID) *ArrayBuilder {
+	a.arr = AppendObjectIDElement(a.arr, a.incrementKey(), oid)
+	return a
+}
+
+// AppendBinary will append a BSON binary element using subtype, and
+// b to a.arr
+func (a *ArrayBuilder) AppendBinary(subtype byte, b []byte) *ArrayBuilder {
+	a.arr = AppendBinaryElement(a.arr, a.incrementKey(), subtype, b)
+	return a
+}
+
+// AppendUndefined will append a BSON undefined element using key to a.arr
+func (a *ArrayBuilder) AppendUndefined() *ArrayBuilder {
+	a.arr = AppendUndefinedElement(a.arr, a.incrementKey())
+	return a
+}
+
+// AppendBoolean will append a boolean element using b to a.arr
+func (a *ArrayBuilder) AppendBoolean(b bool) *ArrayBuilder {
+	a.arr = AppendBooleanElement(a.arr, a.incrementKey(), b)
+	return a
+}
+
+// AppendDateTime will append datetime element dt to a.arr
+func (a *ArrayBuilder) AppendDateTime(dt int64) *ArrayBuilder {
+	a.arr = AppendDateTimeElement(a.arr, a.incrementKey(), dt)
+	return a
+}
+
+// AppendNull will append a null element to a.arr
+func (a *ArrayBuilder) AppendNull() *ArrayBuilder {
+	a.arr = AppendNullElement(a.arr, a.incrementKey())
+	return a
+}
+
+// AppendRegex will append pattern and options to a.arr
+func (a *ArrayBuilder) AppendRegex(pattern, options string) *ArrayBuilder {
+	a.arr = AppendRegexElement(a.arr, a.incrementKey(), pattern, options)
+	return a
+}
+
+// AppendDBPointer will append ns and oid to a.arr
+func (a *ArrayBuilder) AppendDBPointer(ns string, oid primitive.ObjectID) *ArrayBuilder {
+	a.arr = AppendDBPointerElement(a.arr, a.incrementKey(), ns, oid)
+	return a
+}
+
+// AppendJavaScript will append js to a.arr
+func (a *ArrayBuilder) AppendJavaScript(js string) *ArrayBuilder {
+	a.arr = AppendJavaScriptElement(a.arr, a.incrementKey(), js)
+	return a
+}
+
+// AppendSymbol will append symbol to a.arr
+func (a *ArrayBuilder) AppendSymbol(symbol string) *ArrayBuilder {
+	a.arr = AppendSymbolElement(a.arr, a.incrementKey(), symbol)
+	return a
+}
+
+// AppendCodeWithScope will append code and scope to a.arr
+func (a *ArrayBuilder) AppendCodeWithScope(code string, scope Document) *ArrayBuilder {
+	a.arr = AppendCodeWithScopeElement(a.arr, a.incrementKey(), code, scope)
+	return a
+}
+
+// AppendTimestamp will append t and i to a.arr
+func (a *ArrayBuilder) AppendTimestamp(t, i uint32) *ArrayBuilder {
+	a.arr = AppendTimestampElement(a.arr, a.incrementKey(), t, i)
+	return a
+}
+
+// AppendInt64 will append i64 to a.arr
+func (a *ArrayBuilder) AppendInt64(i64 int64) *ArrayBuilder {
+	a.arr = AppendInt64Element(a.arr, a.incrementKey(), i64)
+	return a
+}
+
+// AppendDecimal128 will append d128 to a.arr
+func (a *ArrayBuilder) AppendDecimal128(d128 primitive.Decimal128) *ArrayBuilder {
+	a.arr = AppendDecimal128Element(a.arr, a.incrementKey(), d128)
+	return a
+}
+
+// AppendMaxKey will append a max key element to a.arr
+func (a *ArrayBuilder) AppendMaxKey() *ArrayBuilder {
+	a.arr = AppendMaxKeyElement(a.arr, a.incrementKey())
+	return a
+}
+
+// AppendMinKey will append a min key element to a.arr
+func (a *ArrayBuilder) AppendMinKey() *ArrayBuilder {
+	a.arr = AppendMinKeyElement(a.arr, a.incrementKey())
+	return a
+}
+
+// AppendValue appends a BSON value to the array.
+func (a *ArrayBuilder) AppendValue(val Value) *ArrayBuilder {
+	a.arr = AppendValueElement(a.arr, a.incrementKey(), val)
+	return a
+}
+
+// StartArray starts building an inline Array. After this document is completed,
+// the user must call a.FinishArray
+func (a *ArrayBuilder) StartArray() *ArrayBuilder {
+	a.arr = AppendHeader(a.arr, bsontype.Array, a.incrementKey())
+	a.startArray()
+	return a
+}
+
+// FinishArray builds the most recent array created
+func (a *ArrayBuilder) FinishArray() *ArrayBuilder {
+	a.arr = a.Build()
+	return a
+}
diff --git a/vendor/go.mongodb.org/mongo-driver/x/bsonx/bsoncore/bson_documentbuilder.go b/vendor/go.mongodb.org/mongo-driver/x/bsonx/bsoncore/bson_documentbuilder.go
new file mode 100644
index 000000000..52162f8aa
--- /dev/null
+++ b/vendor/go.mongodb.org/mongo-driver/x/bsonx/bsoncore/bson_documentbuilder.go
@@ -0,0 +1,189 @@
+// Copyright (C) MongoDB, Inc. 2017-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+
+package bsoncore
+
+import (
+	"go.mongodb.org/mongo-driver/bson/bsontype"
+	"go.mongodb.org/mongo-driver/bson/primitive"
+)
+
+// DocumentBuilder builds a bson document
+type DocumentBuilder struct {
+	doc     []byte
+	indexes []int32
+}
+
+// startDocument reserves the document's length and set the index to where the length begins
+func (db *DocumentBuilder) startDocument() *DocumentBuilder {
+	var index int32
+	index, db.doc = AppendDocumentStart(db.doc)
+	db.indexes = append(db.indexes, index)
+	return db
+}
+
+// NewDocumentBuilder creates a new DocumentBuilder
+func NewDocumentBuilder() *DocumentBuilder {
+	return (&DocumentBuilder{}).startDocument()
+}
+
+// Build updates the length of the document and index to the beginning of the documents length
+// bytes, then returns the document (bson bytes)
+func (db *DocumentBuilder) Build() Document {
+	last := len(db.indexes) - 1
+	db.doc, _ = AppendDocumentEnd(db.doc, db.indexes[last])
+	db.indexes = db.indexes[:last]
+	return db.doc
+}
+
+// AppendInt32 will append an int32 element using key and i32 to DocumentBuilder.doc
+func (db *DocumentBuilder) AppendInt32(key string, i32 int32) *DocumentBuilder {
+	db.doc = AppendInt32Element(db.doc, key, i32)
+	return db
+}
+
+// AppendDocument will append a bson embedded document element using key
+// and doc to DocumentBuilder.doc
+func (db *DocumentBuilder) AppendDocument(key string, doc []byte) *DocumentBuilder {
+	db.doc = AppendDocumentElement(db.doc, key, doc)
+	return db
+}
+
+// AppendArray will append a bson array using key and arr to DocumentBuilder.doc
+func (db *DocumentBuilder) AppendArray(key string, arr []byte) *DocumentBuilder {
+	db.doc = AppendHeader(db.doc, bsontype.Array, key)
+	db.doc = AppendArray(db.doc, arr)
+	return db
+}
+
+// AppendDouble will append a double element using key and f to DocumentBuilder.doc
+func (db *DocumentBuilder) AppendDouble(key string, f float64) *DocumentBuilder {
+	db.doc = AppendDoubleElement(db.doc, key, f)
+	return db
+}
+
+// AppendString will append str to DocumentBuilder.doc with the given key
+func (db *DocumentBuilder) AppendString(key string, str string) *DocumentBuilder {
+	db.doc = AppendStringElement(db.doc, key, str)
+	return db
+}
+
+// AppendObjectID will append oid to DocumentBuilder.doc with the given key
+func (db *DocumentBuilder) AppendObjectID(key string, oid primitive.ObjectID) *DocumentBuilder {
+	db.doc = AppendObjectIDElement(db.doc, key, oid)
+	return db
+}
+
+// AppendBinary will append a BSON binary element using key, subtype, and
+// b to db.doc
+func (db *DocumentBuilder) AppendBinary(key string, subtype byte, b []byte) *DocumentBuilder {
+	db.doc = AppendBinaryElement(db.doc, key, subtype, b)
+	return db
+}
+
+// AppendUndefined will append a BSON undefined element using key to db.doc
+func (db *DocumentBuilder) AppendUndefined(key string) *DocumentBuilder {
+	db.doc = AppendUndefinedElement(db.doc, key)
+	return db
+}
+
+// AppendBoolean will append a boolean element using key and b to db.doc
+func (db *DocumentBuilder) AppendBoolean(key string, b bool) *DocumentBuilder {
+	db.doc = AppendBooleanElement(db.doc, key, b)
+	return db
+}
+
+// AppendDateTime will append a datetime element using key and dt to db.doc
+func (db *DocumentBuilder) AppendDateTime(key string, dt int64) *DocumentBuilder {
+	db.doc = AppendDateTimeElement(db.doc, key, dt)
+	return db
+}
+
+// AppendNull will append a null element using key to db.doc
+func (db *DocumentBuilder) AppendNull(key string) *DocumentBuilder {
+	db.doc = AppendNullElement(db.doc, key)
+	return db
+}
+
+// AppendRegex will append pattern and options using key to db.doc
+func (db *DocumentBuilder) AppendRegex(key, pattern, options string) *DocumentBuilder {
+	db.doc = AppendRegexElement(db.doc, key, pattern, options)
+	return db
+}
+
+// AppendDBPointer will append ns and oid to using key to db.doc
+func (db *DocumentBuilder) AppendDBPointer(key string, ns string, oid primitive.ObjectID) *DocumentBuilder {
+	db.doc = AppendDBPointerElement(db.doc, key, ns, oid)
+	return db
+}
+
+// AppendJavaScript will append js using the provided key to db.doc
+func (db *DocumentBuilder) AppendJavaScript(key, js string) *DocumentBuilder {
+	db.doc = AppendJavaScriptElement(db.doc, key, js)
+	return db
+}
+
+// AppendSymbol will append a BSON symbol element using key and symbol db.doc
+func (db *DocumentBuilder) AppendSymbol(key, symbol string) *DocumentBuilder {
+	db.doc = AppendSymbolElement(db.doc, key, symbol)
+	return db
+}
+
+// AppendCodeWithScope will append code and scope using key to db.doc
+func (db *DocumentBuilder) AppendCodeWithScope(key string, code string, scope Document) *DocumentBuilder {
+	db.doc = AppendCodeWithScopeElement(db.doc, key, code, scope)
+	return db
+}
+
+// AppendTimestamp will append t and i to db.doc using provided key
+func (db *DocumentBuilder) AppendTimestamp(key string, t, i uint32) *DocumentBuilder {
+	db.doc = AppendTimestampElement(db.doc, key, t, i)
+	return db
+}
+
+// AppendInt64 will append i64 to dst using key to db.doc
+func (db *DocumentBuilder) AppendInt64(key string, i64 int64) *DocumentBuilder {
+	db.doc = AppendInt64Element(db.doc, key, i64)
+	return db
+}
+
+// AppendDecimal128 will append d128 to db.doc using provided key
+func (db *DocumentBuilder) AppendDecimal128(key string, d128 primitive.Decimal128) *DocumentBuilder {
+	db.doc = AppendDecimal128Element(db.doc, key, d128)
+	return db
+}
+
+// AppendMaxKey will append a max key element using key to db.doc
+func (db *DocumentBuilder) AppendMaxKey(key string) *DocumentBuilder {
+	db.doc = AppendMaxKeyElement(db.doc, key)
+	return db
+}
+
+// AppendMinKey will append a min key element using key to db.doc
+func (db *DocumentBuilder) AppendMinKey(key string) *DocumentBuilder {
+	db.doc = AppendMinKeyElement(db.doc, key)
+	return db
+}
+
+// AppendValue will append a BSON element with the provided key and value to the document.
+func (db *DocumentBuilder) AppendValue(key string, val Value) *DocumentBuilder {
+	db.doc = AppendValueElement(db.doc, key, val)
+	return db
+}
+
+// StartDocument starts building an inline document element with the provided key
+// After this document is completed, the user must call finishDocument
+func (db *DocumentBuilder) StartDocument(key string) *DocumentBuilder {
+	db.doc = AppendHeader(db.doc, bsontype.EmbeddedDocument, key)
+	db = db.startDocument()
+	return db
+}
+
+// FinishDocument builds the most recent document created
+func (db *DocumentBuilder) FinishDocument() *DocumentBuilder {
+	db.doc = db.Build()
+	return db
+}
diff --git a/vendor/go.mongodb.org/mongo-driver/x/bsonx/bsoncore/bsoncore.go b/vendor/go.mongodb.org/mongo-driver/x/bsonx/bsoncore/bsoncore.go
new file mode 100644
index 000000000..17aad6d71
--- /dev/null
+++ b/vendor/go.mongodb.org/mongo-driver/x/bsonx/bsoncore/bsoncore.go
@@ -0,0 +1,862 @@
+// Copyright (C) MongoDB, Inc. 2017-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+
+// Package bsoncore contains functions that can be used to encode and decode BSON
+// elements and values to or from a slice of bytes. These functions are aimed at
+// allowing low level manipulation of BSON and can be used to build a higher
+// level BSON library.
+//
+// The Read* functions within this package return the values of the element and
+// a boolean indicating if the values are valid. A boolean was used instead of
+// an error because any error that would be returned would be the same: not
+// enough bytes. This library attempts to do no validation, it will only return
+// false if there are not enough bytes for an item to be read. For example, the
+// ReadDocument function checks the length, if that length is larger than the
+// number of bytes available, it will return false, if there are enough bytes, it
+// will return those bytes and true. It is the consumers responsibility to
+// validate those bytes.
+//
+// The Append* functions within this package will append the type value to the
+// given dst slice. If the slice has enough capacity, it will not grow the
+// slice. The Append*Element functions within this package operate in the same
+// way, but additionally append the BSON type and the key before the value.
+package bsoncore // import "go.mongodb.org/mongo-driver/x/bsonx/bsoncore"
+
+import (
+	"bytes"
+	"fmt"
+	"math"
+	"strconv"
+	"strings"
+	"time"
+
+	"go.mongodb.org/mongo-driver/bson/bsontype"
+	"go.mongodb.org/mongo-driver/bson/primitive"
+)
+
+const (
+	// EmptyDocumentLength is the length of a document that has been started/ended but has no elements.
+	EmptyDocumentLength = 5
+	// nullTerminator is a string version of the 0 byte that is appended at the end of cstrings.
+	nullTerminator       = string(byte(0))
+	invalidKeyPanicMsg   = "BSON element keys cannot contain null bytes"
+	invalidRegexPanicMsg = "BSON regex values cannot contain null bytes"
+)
+
+// AppendType will append t to dst and return the extended buffer.
+func AppendType(dst []byte, t bsontype.Type) []byte { return append(dst, byte(t)) }
+
+// AppendKey will append key to dst and return the extended buffer.
+func AppendKey(dst []byte, key string) []byte { return append(dst, key+nullTerminator...) }
+
+// AppendHeader will append Type t and key to dst and return the extended
+// buffer.
+func AppendHeader(dst []byte, t bsontype.Type, key string) []byte {
+	if !isValidCString(key) {
+		panic(invalidKeyPanicMsg)
+	}
+
+	dst = AppendType(dst, t)
+	dst = append(dst, key...)
+	return append(dst, 0x00)
+	// return append(AppendType(dst, t), key+string(0x00)...)
+}
+
+// TODO(skriptble): All of the Read* functions should return src resliced to start just after what was read.
+
+// ReadType will return the first byte of the provided []byte as a type. If
+// there is no available byte, false is returned.
+func ReadType(src []byte) (bsontype.Type, []byte, bool) {
+	if len(src) < 1 {
+		return 0, src, false
+	}
+	return bsontype.Type(src[0]), src[1:], true
+}
+
+// ReadKey will read a key from src. The 0x00 byte will not be present
+// in the returned string. If there are not enough bytes available, false is
+// returned.
+func ReadKey(src []byte) (string, []byte, bool) { return readcstring(src) }
+
+// ReadKeyBytes will read a key from src as bytes. The 0x00 byte will
+// not be present in the returned string. If there are not enough bytes
+// available, false is returned.
+func ReadKeyBytes(src []byte) ([]byte, []byte, bool) { return readcstringbytes(src) }
+
+// ReadHeader will read a type byte and a key from src. If both of these
+// values cannot be read, false is returned.
+func ReadHeader(src []byte) (t bsontype.Type, key string, rem []byte, ok bool) {
+	t, rem, ok = ReadType(src)
+	if !ok {
+		return 0, "", src, false
+	}
+	key, rem, ok = ReadKey(rem)
+	if !ok {
+		return 0, "", src, false
+	}
+
+	return t, key, rem, true
+}
+
+// ReadHeaderBytes will read a type and a key from src and the remainder of the bytes
+// are returned as rem. If either the type or key cannot be red, ok will be false.
+func ReadHeaderBytes(src []byte) (header []byte, rem []byte, ok bool) {
+	if len(src) < 1 {
+		return nil, src, false
+	}
+	idx := bytes.IndexByte(src[1:], 0x00)
+	if idx == -1 {
+		return nil, src, false
+	}
+	return src[:idx], src[idx+1:], true
+}
+
+// ReadElement reads the next full element from src. It returns the element, the remaining bytes in
+// the slice, and a boolean indicating if the read was successful.
+func ReadElement(src []byte) (Element, []byte, bool) {
+	if len(src) < 1 {
+		return nil, src, false
+	}
+	t := bsontype.Type(src[0])
+	idx := bytes.IndexByte(src[1:], 0x00)
+	if idx == -1 {
+		return nil, src, false
+	}
+	length, ok := valueLength(src[idx+2:], t) // We add 2 here because we called IndexByte with src[1:]
+	if !ok {
+		return nil, src, false
+	}
+	elemLength := 1 + idx + 1 + int(length)
+	if elemLength > len(src) {
+		return nil, src, false
+	}
+	if elemLength < 0 {
+		return nil, src, false
+	}
+	return src[:elemLength], src[elemLength:], true
+}
+
+// AppendValueElement appends value to dst as an element using key as the element's key.
+func AppendValueElement(dst []byte, key string, value Value) []byte {
+	dst = AppendHeader(dst, value.Type, key)
+	dst = append(dst, value.Data...)
+	return dst
+}
+
+// ReadValue reads the next value as the provided types and returns a Value, the remaining bytes,
+// and a boolean indicating if the read was successful.
+func ReadValue(src []byte, t bsontype.Type) (Value, []byte, bool) {
+	data, rem, ok := readValue(src, t)
+	if !ok {
+		return Value{}, src, false
+	}
+	return Value{Type: t, Data: data}, rem, true
+}
+
+// AppendDouble will append f to dst and return the extended buffer.
+func AppendDouble(dst []byte, f float64) []byte {
+	return appendu64(dst, math.Float64bits(f))
+}
+
+// AppendDoubleElement will append a BSON double element using key and f to dst
+// and return the extended buffer.
+func AppendDoubleElement(dst []byte, key string, f float64) []byte {
+	return AppendDouble(AppendHeader(dst, bsontype.Double, key), f)
+}
+
+// ReadDouble will read a float64 from src. If there are not enough bytes it
+// will return false.
+func ReadDouble(src []byte) (float64, []byte, bool) {
+	bits, src, ok := readu64(src)
+	if !ok {
+		return 0, src, false
+	}
+	return math.Float64frombits(bits), src, true
+}
+
+// AppendString will append s to dst and return the extended buffer.
+func AppendString(dst []byte, s string) []byte {
+	return appendstring(dst, s)
+}
+
+// AppendStringElement will append a BSON string element using key and val to dst
+// and return the extended buffer.
+func AppendStringElement(dst []byte, key, val string) []byte {
+	return AppendString(AppendHeader(dst, bsontype.String, key), val)
+}
+
+// ReadString will read a string from src. If there are not enough bytes it
+// will return false.
+func ReadString(src []byte) (string, []byte, bool) {
+	return readstring(src)
+}
+
+// AppendDocumentStart reserves a document's length and returns the index where the length begins.
+// This index can later be used to write the length of the document.
+func AppendDocumentStart(dst []byte) (index int32, b []byte) {
+	// TODO(skriptble): We really need AppendDocumentStart and AppendDocumentEnd.  AppendDocumentStart would handle calling
+	// TODO ReserveLength and providing the index of the start of the document. AppendDocumentEnd would handle taking that
+	// TODO start index, adding the null byte, calculating the length, and filling in the length at the start of the
+	// TODO document.
+	return ReserveLength(dst)
+}
+
+// AppendDocumentStartInline functions the same as AppendDocumentStart but takes a pointer to the
+// index int32 which allows this function to be used inline.
+func AppendDocumentStartInline(dst []byte, index *int32) []byte {
+	idx, doc := AppendDocumentStart(dst)
+	*index = idx
+	return doc
+}
+
+// AppendDocumentElementStart writes a document element header and then reserves the length bytes.
+func AppendDocumentElementStart(dst []byte, key string) (index int32, b []byte) {
+	return AppendDocumentStart(AppendHeader(dst, bsontype.EmbeddedDocument, key))
+}
+
+// AppendDocumentEnd writes the null byte for a document and updates the length of the document.
+// The index should be the beginning of the document's length bytes.
+func AppendDocumentEnd(dst []byte, index int32) ([]byte, error) {
+	if int(index) > len(dst)-4 {
+		return dst, fmt.Errorf("not enough bytes available after index to write length")
+	}
+	dst = append(dst, 0x00)
+	dst = UpdateLength(dst, index, int32(len(dst[index:])))
+	return dst, nil
+}
+
+// AppendDocument will append doc to dst and return the extended buffer.
+func AppendDocument(dst []byte, doc []byte) []byte { return append(dst, doc...) }
+
+// AppendDocumentElement will append a BSON embedded document element using key
+// and doc to dst and return the extended buffer.
+func AppendDocumentElement(dst []byte, key string, doc []byte) []byte {
+	return AppendDocument(AppendHeader(dst, bsontype.EmbeddedDocument, key), doc)
+}
+
+// BuildDocument will create a document with the given slice of elements and will append
+// it to dst and return the extended buffer.
+func BuildDocument(dst []byte, elems ...[]byte) []byte {
+	idx, dst := ReserveLength(dst)
+	for _, elem := range elems {
+		dst = append(dst, elem...)
+	}
+	dst = append(dst, 0x00)
+	dst = UpdateLength(dst, idx, int32(len(dst[idx:])))
+	return dst
+}
+
+// BuildDocumentValue creates an Embedded Document value from the given elements.
+func BuildDocumentValue(elems ...[]byte) Value {
+	return Value{Type: bsontype.EmbeddedDocument, Data: BuildDocument(nil, elems...)}
+}
+
+// BuildDocumentElement will append a BSON embedded document elemnt using key and the provided
+// elements and return the extended buffer.
+func BuildDocumentElement(dst []byte, key string, elems ...[]byte) []byte {
+	return BuildDocument(AppendHeader(dst, bsontype.EmbeddedDocument, key), elems...)
+}
+
+// BuildDocumentFromElements is an alaias for the BuildDocument function.
+var BuildDocumentFromElements = BuildDocument
+
+// ReadDocument will read a document from src. If there are not enough bytes it
+// will return false.
+func ReadDocument(src []byte) (doc Document, rem []byte, ok bool) { return readLengthBytes(src) }
+
+// AppendArrayStart appends the length bytes to an array and then returns the index of the start
+// of those length bytes.
+func AppendArrayStart(dst []byte) (index int32, b []byte) { return ReserveLength(dst) }
+
+// AppendArrayElementStart appends an array element header and then the length bytes for an array,
+// returning the index where the length starts.
+func AppendArrayElementStart(dst []byte, key string) (index int32, b []byte) {
+	return AppendArrayStart(AppendHeader(dst, bsontype.Array, key))
+}
+
+// AppendArrayEnd appends the null byte to an array and calculates the length, inserting that
+// calculated length starting at index.
+func AppendArrayEnd(dst []byte, index int32) ([]byte, error) { return AppendDocumentEnd(dst, index) }
+
+// AppendArray will append arr to dst and return the extended buffer.
+func AppendArray(dst []byte, arr []byte) []byte { return append(dst, arr...) }
+
+// AppendArrayElement will append a BSON array element using key and arr to dst
+// and return the extended buffer.
+func AppendArrayElement(dst []byte, key string, arr []byte) []byte {
+	return AppendArray(AppendHeader(dst, bsontype.Array, key), arr)
+}
+
+// BuildArray will append a BSON array to dst built from values.
+func BuildArray(dst []byte, values ...Value) []byte {
+	idx, dst := ReserveLength(dst)
+	for pos, val := range values {
+		dst = AppendValueElement(dst, strconv.Itoa(pos), val)
+	}
+	dst = append(dst, 0x00)
+	dst = UpdateLength(dst, idx, int32(len(dst[idx:])))
+	return dst
+}
+
+// BuildArrayElement will create an array element using the provided values.
+func BuildArrayElement(dst []byte, key string, values ...Value) []byte {
+	return BuildArray(AppendHeader(dst, bsontype.Array, key), values...)
+}
+
+// ReadArray will read an array from src. If there are not enough bytes it
+// will return false.
+func ReadArray(src []byte) (arr Array, rem []byte, ok bool) { return readLengthBytes(src) }
+
+// AppendBinary will append subtype and b to dst and return the extended buffer.
+func AppendBinary(dst []byte, subtype byte, b []byte) []byte {
+	if subtype == 0x02 {
+		return appendBinarySubtype2(dst, subtype, b)
+	}
+	dst = append(appendLength(dst, int32(len(b))), subtype)
+	return append(dst, b...)
+}
+
+// AppendBinaryElement will append a BSON binary element using key, subtype, and
+// b to dst and return the extended buffer.
+func AppendBinaryElement(dst []byte, key string, subtype byte, b []byte) []byte {
+	return AppendBinary(AppendHeader(dst, bsontype.Binary, key), subtype, b)
+}
+
+// ReadBinary will read a subtype and bin from src. If there are not enough bytes it
+// will return false.
+func ReadBinary(src []byte) (subtype byte, bin []byte, rem []byte, ok bool) {
+	length, rem, ok := ReadLength(src)
+	if !ok {
+		return 0x00, nil, src, false
+	}
+	if len(rem) < 1 { // subtype
+		return 0x00, nil, src, false
+	}
+	subtype, rem = rem[0], rem[1:]
+
+	if len(rem) < int(length) {
+		return 0x00, nil, src, false
+	}
+
+	if subtype == 0x02 {
+		length, rem, ok = ReadLength(rem)
+		if !ok || len(rem) < int(length) {
+			return 0x00, nil, src, false
+		}
+	}
+
+	return subtype, rem[:length], rem[length:], true
+}
+
+// AppendUndefinedElement will append a BSON undefined element using key to dst
+// and return the extended buffer.
+func AppendUndefinedElement(dst []byte, key string) []byte {
+	return AppendHeader(dst, bsontype.Undefined, key)
+}
+
+// AppendObjectID will append oid to dst and return the extended buffer.
+func AppendObjectID(dst []byte, oid primitive.ObjectID) []byte { return append(dst, oid[:]...) }
+
+// AppendObjectIDElement will append a BSON ObjectID element using key and oid to dst
+// and return the extended buffer.
+func AppendObjectIDElement(dst []byte, key string, oid primitive.ObjectID) []byte {
+	return AppendObjectID(AppendHeader(dst, bsontype.ObjectID, key), oid)
+}
+
+// ReadObjectID will read an ObjectID from src. If there are not enough bytes it
+// will return false.
+func ReadObjectID(src []byte) (primitive.ObjectID, []byte, bool) {
+	if len(src) < 12 {
+		return primitive.ObjectID{}, src, false
+	}
+	var oid primitive.ObjectID
+	copy(oid[:], src[0:12])
+	return oid, src[12:], true
+}
+
+// AppendBoolean will append b to dst and return the extended buffer.
+func AppendBoolean(dst []byte, b bool) []byte {
+	if b {
+		return append(dst, 0x01)
+	}
+	return append(dst, 0x00)
+}
+
+// AppendBooleanElement will append a BSON boolean element using key and b to dst
+// and return the extended buffer.
+func AppendBooleanElement(dst []byte, key string, b bool) []byte {
+	return AppendBoolean(AppendHeader(dst, bsontype.Boolean, key), b)
+}
+
+// ReadBoolean will read a bool from src. If there are not enough bytes it
+// will return false.
+func ReadBoolean(src []byte) (bool, []byte, bool) {
+	if len(src) < 1 {
+		return false, src, false
+	}
+
+	return src[0] == 0x01, src[1:], true
+}
+
+// AppendDateTime will append dt to dst and return the extended buffer.
+func AppendDateTime(dst []byte, dt int64) []byte { return appendi64(dst, dt) }
+
+// AppendDateTimeElement will append a BSON datetime element using key and dt to dst
+// and return the extended buffer.
+func AppendDateTimeElement(dst []byte, key string, dt int64) []byte {
+	return AppendDateTime(AppendHeader(dst, bsontype.DateTime, key), dt)
+}
+
+// ReadDateTime will read an int64 datetime from src. If there are not enough bytes it
+// will return false.
+func ReadDateTime(src []byte) (int64, []byte, bool) { return readi64(src) }
+
+// AppendTime will append time as a BSON DateTime to dst and return the extended buffer.
+func AppendTime(dst []byte, t time.Time) []byte {
+	return AppendDateTime(dst, t.Unix()*1000+int64(t.Nanosecond()/1e6))
+}
+
+// AppendTimeElement will append a BSON datetime element using key and dt to dst
+// and return the extended buffer.
+func AppendTimeElement(dst []byte, key string, t time.Time) []byte {
+	return AppendTime(AppendHeader(dst, bsontype.DateTime, key), t)
+}
+
+// ReadTime will read an time.Time datetime from src. If there are not enough bytes it
+// will return false.
+func ReadTime(src []byte) (time.Time, []byte, bool) {
+	dt, rem, ok := readi64(src)
+	return time.Unix(dt/1e3, dt%1e3*1e6), rem, ok
+}
+
+// AppendNullElement will append a BSON null element using key to dst
+// and return the extended buffer.
+func AppendNullElement(dst []byte, key string) []byte { return AppendHeader(dst, bsontype.Null, key) }
+
+// AppendRegex will append pattern and options to dst and return the extended buffer.
+func AppendRegex(dst []byte, pattern, options string) []byte {
+	if !isValidCString(pattern) || !isValidCString(options) {
+		panic(invalidRegexPanicMsg)
+	}
+
+	return append(dst, pattern+nullTerminator+options+nullTerminator...)
+}
+
+// AppendRegexElement will append a BSON regex element using key, pattern, and
+// options to dst and return the extended buffer.
+func AppendRegexElement(dst []byte, key, pattern, options string) []byte {
+	return AppendRegex(AppendHeader(dst, bsontype.Regex, key), pattern, options)
+}
+
+// ReadRegex will read a pattern and options from src. If there are not enough bytes it
+// will return false.
+func ReadRegex(src []byte) (pattern, options string, rem []byte, ok bool) {
+	pattern, rem, ok = readcstring(src)
+	if !ok {
+		return "", "", src, false
+	}
+	options, rem, ok = readcstring(rem)
+	if !ok {
+		return "", "", src, false
+	}
+	return pattern, options, rem, true
+}
+
+// AppendDBPointer will append ns and oid to dst and return the extended buffer.
+func AppendDBPointer(dst []byte, ns string, oid primitive.ObjectID) []byte {
+	return append(appendstring(dst, ns), oid[:]...)
+}
+
+// AppendDBPointerElement will append a BSON DBPointer element using key, ns,
+// and oid to dst and return the extended buffer.
+func AppendDBPointerElement(dst []byte, key, ns string, oid primitive.ObjectID) []byte {
+	return AppendDBPointer(AppendHeader(dst, bsontype.DBPointer, key), ns, oid)
+}
+
+// ReadDBPointer will read a ns and oid from src. If there are not enough bytes it
+// will return false.
+func ReadDBPointer(src []byte) (ns string, oid primitive.ObjectID, rem []byte, ok bool) {
+	ns, rem, ok = readstring(src)
+	if !ok {
+		return "", primitive.ObjectID{}, src, false
+	}
+	oid, rem, ok = ReadObjectID(rem)
+	if !ok {
+		return "", primitive.ObjectID{}, src, false
+	}
+	return ns, oid, rem, true
+}
+
+// AppendJavaScript will append js to dst and return the extended buffer.
+func AppendJavaScript(dst []byte, js string) []byte { return appendstring(dst, js) }
+
+// AppendJavaScriptElement will append a BSON JavaScript element using key and
+// js to dst and return the extended buffer.
+func AppendJavaScriptElement(dst []byte, key, js string) []byte {
+	return AppendJavaScript(AppendHeader(dst, bsontype.JavaScript, key), js)
+}
+
+// ReadJavaScript will read a js string from src. If there are not enough bytes it
+// will return false.
+func ReadJavaScript(src []byte) (js string, rem []byte, ok bool) { return readstring(src) }
+
+// AppendSymbol will append symbol to dst and return the extended buffer.
+func AppendSymbol(dst []byte, symbol string) []byte { return appendstring(dst, symbol) }
+
+// AppendSymbolElement will append a BSON symbol element using key and symbol to dst
+// and return the extended buffer.
+func AppendSymbolElement(dst []byte, key, symbol string) []byte {
+	return AppendSymbol(AppendHeader(dst, bsontype.Symbol, key), symbol)
+}
+
+// ReadSymbol will read a symbol string from src. If there are not enough bytes it
+// will return false.
+func ReadSymbol(src []byte) (symbol string, rem []byte, ok bool) { return readstring(src) }
+
+// AppendCodeWithScope will append code and scope to dst and return the extended buffer.
+func AppendCodeWithScope(dst []byte, code string, scope []byte) []byte {
+	length := int32(4 + 4 + len(code) + 1 + len(scope)) // length of cws, length of code, code, 0x00, scope
+	dst = appendLength(dst, length)
+
+	return append(appendstring(dst, code), scope...)
+}
+
+// AppendCodeWithScopeElement will append a BSON code with scope element using
+// key, code, and scope to dst
+// and return the extended buffer.
+func AppendCodeWithScopeElement(dst []byte, key, code string, scope []byte) []byte {
+	return AppendCodeWithScope(AppendHeader(dst, bsontype.CodeWithScope, key), code, scope)
+}
+
+// ReadCodeWithScope will read code and scope from src. If there are not enough bytes it
+// will return false.
+func ReadCodeWithScope(src []byte) (code string, scope []byte, rem []byte, ok bool) {
+	length, rem, ok := ReadLength(src)
+	if !ok || len(src) < int(length) {
+		return "", nil, src, false
+	}
+
+	code, rem, ok = readstring(rem)
+	if !ok {
+		return "", nil, src, false
+	}
+
+	scope, rem, ok = ReadDocument(rem)
+	if !ok {
+		return "", nil, src, false
+	}
+	return code, scope, rem, true
+}
+
+// AppendInt32 will append i32 to dst and return the extended buffer.
+func AppendInt32(dst []byte, i32 int32) []byte { return appendi32(dst, i32) }
+
+// AppendInt32Element will append a BSON int32 element using key and i32 to dst
+// and return the extended buffer.
+func AppendInt32Element(dst []byte, key string, i32 int32) []byte {
+	return AppendInt32(AppendHeader(dst, bsontype.Int32, key), i32)
+}
+
+// ReadInt32 will read an int32 from src. If there are not enough bytes it
+// will return false.
+func ReadInt32(src []byte) (int32, []byte, bool) { return readi32(src) }
+
+// AppendTimestamp will append t and i to dst and return the extended buffer.
+func AppendTimestamp(dst []byte, t, i uint32) []byte {
+	return appendu32(appendu32(dst, i), t) // i is the lower 4 bytes, t is the higher 4 bytes
+}
+
+// AppendTimestampElement will append a BSON timestamp element using key, t, and
+// i to dst and return the extended buffer.
+func AppendTimestampElement(dst []byte, key string, t, i uint32) []byte {
+	return AppendTimestamp(AppendHeader(dst, bsontype.Timestamp, key), t, i)
+}
+
+// ReadTimestamp will read t and i from src. If there are not enough bytes it
+// will return false.
+func ReadTimestamp(src []byte) (t, i uint32, rem []byte, ok bool) {
+	i, rem, ok = readu32(src)
+	if !ok {
+		return 0, 0, src, false
+	}
+	t, rem, ok = readu32(rem)
+	if !ok {
+		return 0, 0, src, false
+	}
+	return t, i, rem, true
+}
+
+// AppendInt64 will append i64 to dst and return the extended buffer.
+func AppendInt64(dst []byte, i64 int64) []byte { return appendi64(dst, i64) }
+
+// AppendInt64Element will append a BSON int64 element using key and i64 to dst
+// and return the extended buffer.
+func AppendInt64Element(dst []byte, key string, i64 int64) []byte {
+	return AppendInt64(AppendHeader(dst, bsontype.Int64, key), i64)
+}
+
+// ReadInt64 will read an int64 from src. If there are not enough bytes it
+// will return false.
+func ReadInt64(src []byte) (int64, []byte, bool) { return readi64(src) }
+
+// AppendDecimal128 will append d128 to dst and return the extended buffer.
+func AppendDecimal128(dst []byte, d128 primitive.Decimal128) []byte {
+	high, low := d128.GetBytes()
+	return appendu64(appendu64(dst, low), high)
+}
+
+// AppendDecimal128Element will append a BSON primitive.28 element using key and
+// d128 to dst and return the extended buffer.
+func AppendDecimal128Element(dst []byte, key string, d128 primitive.Decimal128) []byte {
+	return AppendDecimal128(AppendHeader(dst, bsontype.Decimal128, key), d128)
+}
+
+// ReadDecimal128 will read a primitive.Decimal128 from src. If there are not enough bytes it
+// will return false.
+func ReadDecimal128(src []byte) (primitive.Decimal128, []byte, bool) {
+	l, rem, ok := readu64(src)
+	if !ok {
+		return primitive.Decimal128{}, src, false
+	}
+
+	h, rem, ok := readu64(rem)
+	if !ok {
+		return primitive.Decimal128{}, src, false
+	}
+
+	return primitive.NewDecimal128(h, l), rem, true
+}
+
+// AppendMaxKeyElement will append a BSON max key element using key to dst
+// and return the extended buffer.
+func AppendMaxKeyElement(dst []byte, key string) []byte {
+	return AppendHeader(dst, bsontype.MaxKey, key)
+}
+
+// AppendMinKeyElement will append a BSON min key element using key to dst
+// and return the extended buffer.
+func AppendMinKeyElement(dst []byte, key string) []byte {
+	return AppendHeader(dst, bsontype.MinKey, key)
+}
+
+// EqualValue will return true if the two values are equal.
+func EqualValue(t1, t2 bsontype.Type, v1, v2 []byte) bool {
+	if t1 != t2 {
+		return false
+	}
+	v1, _, ok := readValue(v1, t1)
+	if !ok {
+		return false
+	}
+	v2, _, ok = readValue(v2, t2)
+	if !ok {
+		return false
+	}
+	return bytes.Equal(v1, v2)
+}
+
+// valueLength will determine the length of the next value contained in src as if it
+// is type t. The returned bool will be false if there are not enough bytes in src for
+// a value of type t.
+func valueLength(src []byte, t bsontype.Type) (int32, bool) {
+	var length int32
+	ok := true
+	switch t {
+	case bsontype.Array, bsontype.EmbeddedDocument, bsontype.CodeWithScope:
+		length, _, ok = ReadLength(src)
+	case bsontype.Binary:
+		length, _, ok = ReadLength(src)
+		length += 4 + 1 // binary length + subtype byte
+	case bsontype.Boolean:
+		length = 1
+	case bsontype.DBPointer:
+		length, _, ok = ReadLength(src)
+		length += 4 + 12 // string length + ObjectID length
+	case bsontype.DateTime, bsontype.Double, bsontype.Int64, bsontype.Timestamp:
+		length = 8
+	case bsontype.Decimal128:
+		length = 16
+	case bsontype.Int32:
+		length = 4
+	case bsontype.JavaScript, bsontype.String, bsontype.Symbol:
+		length, _, ok = ReadLength(src)
+		length += 4
+	case bsontype.MaxKey, bsontype.MinKey, bsontype.Null, bsontype.Undefined:
+		length = 0
+	case bsontype.ObjectID:
+		length = 12
+	case bsontype.Regex:
+		regex := bytes.IndexByte(src, 0x00)
+		if regex < 0 {
+			ok = false
+			break
+		}
+		pattern := bytes.IndexByte(src[regex+1:], 0x00)
+		if pattern < 0 {
+			ok = false
+			break
+		}
+		length = int32(int64(regex) + 1 + int64(pattern) + 1)
+	default:
+		ok = false
+	}
+
+	return length, ok
+}
+
+func readValue(src []byte, t bsontype.Type) ([]byte, []byte, bool) {
+	length, ok := valueLength(src, t)
+	if !ok || int(length) > len(src) {
+		return nil, src, false
+	}
+
+	return src[:length], src[length:], true
+}
+
+// ReserveLength reserves the space required for length and returns the index where to write the length
+// and the []byte with reserved space.
+func ReserveLength(dst []byte) (int32, []byte) {
+	index := len(dst)
+	return int32(index), append(dst, 0x00, 0x00, 0x00, 0x00)
+}
+
+// UpdateLength updates the length at index with length and returns the []byte.
+func UpdateLength(dst []byte, index, length int32) []byte {
+	dst[index] = byte(length)
+	dst[index+1] = byte(length >> 8)
+	dst[index+2] = byte(length >> 16)
+	dst[index+3] = byte(length >> 24)
+	return dst
+}
+
+func appendLength(dst []byte, l int32) []byte { return appendi32(dst, l) }
+
+func appendi32(dst []byte, i32 int32) []byte {
+	return append(dst, byte(i32), byte(i32>>8), byte(i32>>16), byte(i32>>24))
+}
+
+// ReadLength reads an int32 length from src and returns the length and the remaining bytes. If
+// there aren't enough bytes to read a valid length, src is returned unomdified and the returned
+// bool will be false.
+func ReadLength(src []byte) (int32, []byte, bool) {
+	ln, src, ok := readi32(src)
+	if ln < 0 {
+		return ln, src, false
+	}
+	return ln, src, ok
+}
+
+func readi32(src []byte) (int32, []byte, bool) {
+	if len(src) < 4 {
+		return 0, src, false
+	}
+	return (int32(src[0]) | int32(src[1])<<8 | int32(src[2])<<16 | int32(src[3])<<24), src[4:], true
+}
+
+func appendi64(dst []byte, i64 int64) []byte {
+	return append(dst,
+		byte(i64), byte(i64>>8), byte(i64>>16), byte(i64>>24),
+		byte(i64>>32), byte(i64>>40), byte(i64>>48), byte(i64>>56),
+	)
+}
+
+func readi64(src []byte) (int64, []byte, bool) {
+	if len(src) < 8 {
+		return 0, src, false
+	}
+	i64 := (int64(src[0]) | int64(src[1])<<8 | int64(src[2])<<16 | int64(src[3])<<24 |
+		int64(src[4])<<32 | int64(src[5])<<40 | int64(src[6])<<48 | int64(src[7])<<56)
+	return i64, src[8:], true
+}
+
+func appendu32(dst []byte, u32 uint32) []byte {
+	return append(dst, byte(u32), byte(u32>>8), byte(u32>>16), byte(u32>>24))
+}
+
+func readu32(src []byte) (uint32, []byte, bool) {
+	if len(src) < 4 {
+		return 0, src, false
+	}
+
+	return (uint32(src[0]) | uint32(src[1])<<8 | uint32(src[2])<<16 | uint32(src[3])<<24), src[4:], true
+}
+
+func appendu64(dst []byte, u64 uint64) []byte {
+	return append(dst,
+		byte(u64), byte(u64>>8), byte(u64>>16), byte(u64>>24),
+		byte(u64>>32), byte(u64>>40), byte(u64>>48), byte(u64>>56),
+	)
+}
+
+func readu64(src []byte) (uint64, []byte, bool) {
+	if len(src) < 8 {
+		return 0, src, false
+	}
+	u64 := (uint64(src[0]) | uint64(src[1])<<8 | uint64(src[2])<<16 | uint64(src[3])<<24 |
+		uint64(src[4])<<32 | uint64(src[5])<<40 | uint64(src[6])<<48 | uint64(src[7])<<56)
+	return u64, src[8:], true
+}
+
+// keep in sync with readcstringbytes
+func readcstring(src []byte) (string, []byte, bool) {
+	idx := bytes.IndexByte(src, 0x00)
+	if idx < 0 {
+		return "", src, false
+	}
+	return string(src[:idx]), src[idx+1:], true
+}
+
+// keep in sync with readcstring
+func readcstringbytes(src []byte) ([]byte, []byte, bool) {
+	idx := bytes.IndexByte(src, 0x00)
+	if idx < 0 {
+		return nil, src, false
+	}
+	return src[:idx], src[idx+1:], true
+}
+
+func appendstring(dst []byte, s string) []byte {
+	l := int32(len(s) + 1)
+	dst = appendLength(dst, l)
+	dst = append(dst, s...)
+	return append(dst, 0x00)
+}
+
+func readstring(src []byte) (string, []byte, bool) {
+	l, rem, ok := ReadLength(src)
+	if !ok {
+		return "", src, false
+	}
+	if len(src[4:]) < int(l) || l == 0 {
+		return "", src, false
+	}
+
+	return string(rem[:l-1]), rem[l:], true
+}
+
+// readLengthBytes attempts to read a length and that number of bytes. This
+// function requires that the length include the four bytes for itself.
+func readLengthBytes(src []byte) ([]byte, []byte, bool) {
+	l, _, ok := ReadLength(src)
+	if !ok {
+		return nil, src, false
+	}
+	if len(src) < int(l) {
+		return nil, src, false
+	}
+	return src[:l], src[l:], true
+}
+
+func appendBinarySubtype2(dst []byte, subtype byte, b []byte) []byte {
+	dst = appendLength(dst, int32(len(b)+4)) // The bytes we'll encode need to be 4 larger for the length bytes
+	dst = append(dst, subtype)
+	dst = appendLength(dst, int32(len(b)))
+	return append(dst, b...)
+}
+
+func isValidCString(cs string) bool {
+	return !strings.ContainsRune(cs, '\x00')
+}
diff --git a/vendor/go.mongodb.org/mongo-driver/x/bsonx/bsoncore/document.go b/vendor/go.mongodb.org/mongo-driver/x/bsonx/bsoncore/document.go
new file mode 100644
index 000000000..d6e4bb069
--- /dev/null
+++ b/vendor/go.mongodb.org/mongo-driver/x/bsonx/bsoncore/document.go
@@ -0,0 +1,386 @@
+// Copyright (C) MongoDB, Inc. 2017-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+
+package bsoncore
+
+import (
+	"bytes"
+	"errors"
+	"fmt"
+	"io"
+	"strconv"
+
+	"go.mongodb.org/mongo-driver/bson/bsontype"
+)
+
+// ValidationError is an error type returned when attempting to validate a document or array.
+type ValidationError string
+
+func (ve ValidationError) Error() string { return string(ve) }
+
+// NewDocumentLengthError creates and returns an error for when the length of a document exceeds the
+// bytes available.
+func NewDocumentLengthError(length, rem int) error {
+	return lengthError("document", length, rem)
+}
+
+func lengthError(bufferType string, length, rem int) error {
+	return ValidationError(fmt.Sprintf("%v length exceeds available bytes. length=%d remainingBytes=%d",
+		bufferType, length, rem))
+}
+
+// InsufficientBytesError indicates that there were not enough bytes to read the next component.
+type InsufficientBytesError struct {
+	Source    []byte
+	Remaining []byte
+}
+
+// NewInsufficientBytesError creates a new InsufficientBytesError with the given Document and
+// remaining bytes.
+func NewInsufficientBytesError(src, rem []byte) InsufficientBytesError {
+	return InsufficientBytesError{Source: src, Remaining: rem}
+}
+
+// Error implements the error interface.
+func (ibe InsufficientBytesError) Error() string {
+	return "too few bytes to read next component"
+}
+
+// Equal checks that err2 also is an ErrTooSmall.
+func (ibe InsufficientBytesError) Equal(err2 error) bool {
+	switch err2.(type) {
+	case InsufficientBytesError:
+		return true
+	default:
+		return false
+	}
+}
+
+// InvalidDepthTraversalError is returned when attempting a recursive Lookup when one component of
+// the path is neither an embedded document nor an array.
+type InvalidDepthTraversalError struct {
+	Key  string
+	Type bsontype.Type
+}
+
+func (idte InvalidDepthTraversalError) Error() string {
+	return fmt.Sprintf(
+		"attempt to traverse into %s, but it's type is %s, not %s nor %s",
+		idte.Key, idte.Type, bsontype.EmbeddedDocument, bsontype.Array,
+	)
+}
+
+// ErrMissingNull is returned when a document or array's last byte is not null.
+const ErrMissingNull ValidationError = "document or array end is missing null byte"
+
+// ErrInvalidLength indicates that a length in a binary representation of a BSON document or array
+// is invalid.
+const ErrInvalidLength ValidationError = "document or array length is invalid"
+
+// ErrNilReader indicates that an operation was attempted on a nil io.Reader.
+var ErrNilReader = errors.New("nil reader")
+
+// ErrEmptyKey indicates that no key was provided to a Lookup method.
+var ErrEmptyKey = errors.New("empty key provided")
+
+// ErrElementNotFound indicates that an Element matching a certain condition does not exist.
+var ErrElementNotFound = errors.New("element not found")
+
+// ErrOutOfBounds indicates that an index provided to access something was invalid.
+var ErrOutOfBounds = errors.New("out of bounds")
+
+// Document is a raw bytes representation of a BSON document.
+type Document []byte
+
+// NewDocumentFromReader reads a document from r. This function will only validate the length is
+// correct and that the document ends with a null byte.
+func NewDocumentFromReader(r io.Reader) (Document, error) {
+	return newBufferFromReader(r)
+}
+
+func newBufferFromReader(r io.Reader) ([]byte, error) {
+	if r == nil {
+		return nil, ErrNilReader
+	}
+
+	var lengthBytes [4]byte
+
+	// ReadFull guarantees that we will have read at least len(lengthBytes) if err == nil
+	_, err := io.ReadFull(r, lengthBytes[:])
+	if err != nil {
+		return nil, err
+	}
+
+	length, _, _ := readi32(lengthBytes[:]) // ignore ok since we always have enough bytes to read a length
+	if length < 0 {
+		return nil, ErrInvalidLength
+	}
+	buffer := make([]byte, length)
+
+	copy(buffer, lengthBytes[:])
+
+	_, err = io.ReadFull(r, buffer[4:])
+	if err != nil {
+		return nil, err
+	}
+
+	if buffer[length-1] != 0x00 {
+		return nil, ErrMissingNull
+	}
+
+	return buffer, nil
+}
+
+// Lookup searches the document, potentially recursively, for the given key. If there are multiple
+// keys provided, this method will recurse down, as long as the top and intermediate nodes are
+// either documents or arrays. If an error occurs or if the value doesn't exist, an empty Value is
+// returned.
+func (d Document) Lookup(key ...string) Value {
+	val, _ := d.LookupErr(key...)
+	return val
+}
+
+// LookupErr is the same as Lookup, except it returns an error in addition to an empty Value.
+func (d Document) LookupErr(key ...string) (Value, error) {
+	if len(key) < 1 {
+		return Value{}, ErrEmptyKey
+	}
+	length, rem, ok := ReadLength(d)
+	if !ok {
+		return Value{}, NewInsufficientBytesError(d, rem)
+	}
+
+	length -= 4
+
+	var elem Element
+	for length > 1 {
+		elem, rem, ok = ReadElement(rem)
+		length -= int32(len(elem))
+		if !ok {
+			return Value{}, NewInsufficientBytesError(d, rem)
+		}
+		// We use `KeyBytes` rather than `Key` to avoid a needless string alloc.
+		if string(elem.KeyBytes()) != key[0] {
+			continue
+		}
+		if len(key) > 1 {
+			tt := bsontype.Type(elem[0])
+			switch tt {
+			case bsontype.EmbeddedDocument:
+				val, err := elem.Value().Document().LookupErr(key[1:]...)
+				if err != nil {
+					return Value{}, err
+				}
+				return val, nil
+			case bsontype.Array:
+				// Convert to Document to continue Lookup recursion.
+				val, err := Document(elem.Value().Array()).LookupErr(key[1:]...)
+				if err != nil {
+					return Value{}, err
+				}
+				return val, nil
+			default:
+				return Value{}, InvalidDepthTraversalError{Key: elem.Key(), Type: tt}
+			}
+		}
+		return elem.ValueErr()
+	}
+	return Value{}, ErrElementNotFound
+}
+
+// Index searches for and retrieves the element at the given index. This method will panic if
+// the document is invalid or if the index is out of bounds.
+func (d Document) Index(index uint) Element {
+	elem, err := d.IndexErr(index)
+	if err != nil {
+		panic(err)
+	}
+	return elem
+}
+
+// IndexErr searches for and retrieves the element at the given index.
+func (d Document) IndexErr(index uint) (Element, error) {
+	return indexErr(d, index)
+}
+
+func indexErr(b []byte, index uint) (Element, error) {
+	length, rem, ok := ReadLength(b)
+	if !ok {
+		return nil, NewInsufficientBytesError(b, rem)
+	}
+
+	length -= 4
+
+	var current uint
+	var elem Element
+	for length > 1 {
+		elem, rem, ok = ReadElement(rem)
+		length -= int32(len(elem))
+		if !ok {
+			return nil, NewInsufficientBytesError(b, rem)
+		}
+		if current != index {
+			current++
+			continue
+		}
+		return elem, nil
+	}
+	return nil, ErrOutOfBounds
+}
+
+// DebugString outputs a human readable version of Document. It will attempt to stringify the
+// valid components of the document even if the entire document is not valid.
+func (d Document) DebugString() string {
+	if len(d) < 5 {
+		return "<malformed>"
+	}
+	var buf bytes.Buffer
+	buf.WriteString("Document")
+	length, rem, _ := ReadLength(d) // We know we have enough bytes to read the length
+	buf.WriteByte('(')
+	buf.WriteString(strconv.Itoa(int(length)))
+	length -= 4
+	buf.WriteString("){")
+	var elem Element
+	var ok bool
+	for length > 1 {
+		elem, rem, ok = ReadElement(rem)
+		length -= int32(len(elem))
+		if !ok {
+			buf.WriteString(fmt.Sprintf("<malformed (%d)>", length))
+			break
+		}
+		fmt.Fprintf(&buf, "%s ", elem.DebugString())
+	}
+	buf.WriteByte('}')
+
+	return buf.String()
+}
+
+// String outputs an ExtendedJSON version of Document. If the document is not valid, this method
+// returns an empty string.
+func (d Document) String() string {
+	if len(d) < 5 {
+		return ""
+	}
+	var buf bytes.Buffer
+	buf.WriteByte('{')
+
+	length, rem, _ := ReadLength(d) // We know we have enough bytes to read the length
+
+	length -= 4
+
+	var elem Element
+	var ok bool
+	first := true
+	for length > 1 {
+		if !first {
+			buf.WriteByte(',')
+		}
+		elem, rem, ok = ReadElement(rem)
+		length -= int32(len(elem))
+		if !ok {
+			return ""
+		}
+		fmt.Fprintf(&buf, "%s", elem.String())
+		first = false
+	}
+	buf.WriteByte('}')
+
+	return buf.String()
+}
+
+// Elements returns this document as a slice of elements. The returned slice will contain valid
+// elements. If the document is not valid, the elements up to the invalid point will be returned
+// along with an error.
+func (d Document) Elements() ([]Element, error) {
+	length, rem, ok := ReadLength(d)
+	if !ok {
+		return nil, NewInsufficientBytesError(d, rem)
+	}
+
+	length -= 4
+
+	var elem Element
+	var elems []Element
+	for length > 1 {
+		elem, rem, ok = ReadElement(rem)
+		length -= int32(len(elem))
+		if !ok {
+			return elems, NewInsufficientBytesError(d, rem)
+		}
+		if err := elem.Validate(); err != nil {
+			return elems, err
+		}
+		elems = append(elems, elem)
+	}
+	return elems, nil
+}
+
+// Values returns this document as a slice of values. The returned slice will contain valid values.
+// If the document is not valid, the values up to the invalid point will be returned along with an
+// error.
+func (d Document) Values() ([]Value, error) {
+	return values(d)
+}
+
+func values(b []byte) ([]Value, error) {
+	length, rem, ok := ReadLength(b)
+	if !ok {
+		return nil, NewInsufficientBytesError(b, rem)
+	}
+
+	length -= 4
+
+	var elem Element
+	var vals []Value
+	for length > 1 {
+		elem, rem, ok = ReadElement(rem)
+		length -= int32(len(elem))
+		if !ok {
+			return vals, NewInsufficientBytesError(b, rem)
+		}
+		if err := elem.Value().Validate(); err != nil {
+			return vals, err
+		}
+		vals = append(vals, elem.Value())
+	}
+	return vals, nil
+}
+
+// Validate validates the document and ensures the elements contained within are valid.
+func (d Document) Validate() error {
+	length, rem, ok := ReadLength(d)
+	if !ok {
+		return NewInsufficientBytesError(d, rem)
+	}
+	if int(length) > len(d) {
+		return NewDocumentLengthError(int(length), len(d))
+	}
+	if d[length-1] != 0x00 {
+		return ErrMissingNull
+	}
+
+	length -= 4
+	var elem Element
+
+	for length > 1 {
+		elem, rem, ok = ReadElement(rem)
+		length -= int32(len(elem))
+		if !ok {
+			return NewInsufficientBytesError(d, rem)
+		}
+		err := elem.Validate()
+		if err != nil {
+			return err
+		}
+	}
+
+	if len(rem) < 1 || rem[0] != 0x00 {
+		return ErrMissingNull
+	}
+	return nil
+}
diff --git a/vendor/go.mongodb.org/mongo-driver/x/bsonx/bsoncore/document_sequence.go b/vendor/go.mongodb.org/mongo-driver/x/bsonx/bsoncore/document_sequence.go
new file mode 100644
index 000000000..e35bd0cd9
--- /dev/null
+++ b/vendor/go.mongodb.org/mongo-driver/x/bsonx/bsoncore/document_sequence.go
@@ -0,0 +1,189 @@
+// Copyright (C) MongoDB, Inc. 2022-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+
+package bsoncore
+
+import (
+	"errors"
+	"io"
+
+	"go.mongodb.org/mongo-driver/bson/bsontype"
+)
+
+// DocumentSequenceStyle is used to represent how a document sequence is laid out in a slice of
+// bytes.
+type DocumentSequenceStyle uint32
+
+// These constants are the valid styles for a DocumentSequence.
+const (
+	_ DocumentSequenceStyle = iota
+	SequenceStyle
+	ArrayStyle
+)
+
+// DocumentSequence represents a sequence of documents. The Style field indicates how the documents
+// are laid out inside of the Data field.
+type DocumentSequence struct {
+	Style DocumentSequenceStyle
+	Data  []byte
+	Pos   int
+}
+
+// ErrCorruptedDocument is returned when a full document couldn't be read from the sequence.
+var ErrCorruptedDocument = errors.New("invalid DocumentSequence: corrupted document")
+
+// ErrNonDocument is returned when a DocumentSequence contains a non-document BSON value.
+var ErrNonDocument = errors.New("invalid DocumentSequence: a non-document value was found in sequence")
+
+// ErrInvalidDocumentSequenceStyle is returned when an unknown DocumentSequenceStyle is set on a
+// DocumentSequence.
+var ErrInvalidDocumentSequenceStyle = errors.New("invalid DocumentSequenceStyle")
+
+// DocumentCount returns the number of documents in the sequence.
+func (ds *DocumentSequence) DocumentCount() int {
+	if ds == nil {
+		return 0
+	}
+	switch ds.Style {
+	case SequenceStyle:
+		var count int
+		var ok bool
+		rem := ds.Data
+		for len(rem) > 0 {
+			_, rem, ok = ReadDocument(rem)
+			if !ok {
+				return 0
+			}
+			count++
+		}
+		return count
+	case ArrayStyle:
+		_, rem, ok := ReadLength(ds.Data)
+		if !ok {
+			return 0
+		}
+
+		var count int
+		for len(rem) > 1 {
+			_, rem, ok = ReadElement(rem)
+			if !ok {
+				return 0
+			}
+			count++
+		}
+		return count
+	default:
+		return 0
+	}
+}
+
+// Empty returns true if the sequence is empty. It always returns true for unknown sequence styles.
+func (ds *DocumentSequence) Empty() bool {
+	if ds == nil {
+		return true
+	}
+
+	switch ds.Style {
+	case SequenceStyle:
+		return len(ds.Data) == 0
+	case ArrayStyle:
+		return len(ds.Data) <= 5
+	default:
+		return true
+	}
+}
+
+// ResetIterator resets the iteration point for the Next method to the beginning of the document
+// sequence.
+func (ds *DocumentSequence) ResetIterator() {
+	if ds == nil {
+		return
+	}
+	ds.Pos = 0
+}
+
+// Documents returns a slice of the documents. If nil either the Data field is also nil or could not
+// be properly read.
+func (ds *DocumentSequence) Documents() ([]Document, error) {
+	if ds == nil {
+		return nil, nil
+	}
+	switch ds.Style {
+	case SequenceStyle:
+		rem := ds.Data
+		var docs []Document
+		var doc Document
+		var ok bool
+		for {
+			doc, rem, ok = ReadDocument(rem)
+			if !ok {
+				if len(rem) == 0 {
+					break
+				}
+				return nil, ErrCorruptedDocument
+			}
+			docs = append(docs, doc)
+		}
+		return docs, nil
+	case ArrayStyle:
+		if len(ds.Data) == 0 {
+			return nil, nil
+		}
+		vals, err := Document(ds.Data).Values()
+		if err != nil {
+			return nil, ErrCorruptedDocument
+		}
+		docs := make([]Document, 0, len(vals))
+		for _, v := range vals {
+			if v.Type != bsontype.EmbeddedDocument {
+				return nil, ErrNonDocument
+			}
+			docs = append(docs, v.Data)
+		}
+		return docs, nil
+	default:
+		return nil, ErrInvalidDocumentSequenceStyle
+	}
+}
+
+// Next retrieves the next document from this sequence and returns it. This method will return
+// io.EOF when it has reached the end of the sequence.
+func (ds *DocumentSequence) Next() (Document, error) {
+	if ds == nil || ds.Pos >= len(ds.Data) {
+		return nil, io.EOF
+	}
+	switch ds.Style {
+	case SequenceStyle:
+		doc, _, ok := ReadDocument(ds.Data[ds.Pos:])
+		if !ok {
+			return nil, ErrCorruptedDocument
+		}
+		ds.Pos += len(doc)
+		return doc, nil
+	case ArrayStyle:
+		if ds.Pos < 4 {
+			if len(ds.Data) < 4 {
+				return nil, ErrCorruptedDocument
+			}
+			ds.Pos = 4 // Skip the length of the document
+		}
+		if len(ds.Data[ds.Pos:]) == 1 && ds.Data[ds.Pos] == 0x00 {
+			return nil, io.EOF // At the end of the document
+		}
+		elem, _, ok := ReadElement(ds.Data[ds.Pos:])
+		if !ok {
+			return nil, ErrCorruptedDocument
+		}
+		ds.Pos += len(elem)
+		val := elem.Value()
+		if val.Type != bsontype.EmbeddedDocument {
+			return nil, ErrNonDocument
+		}
+		return val.Data, nil
+	default:
+		return nil, ErrInvalidDocumentSequenceStyle
+	}
+}
diff --git a/vendor/go.mongodb.org/mongo-driver/x/bsonx/bsoncore/element.go b/vendor/go.mongodb.org/mongo-driver/x/bsonx/bsoncore/element.go
new file mode 100644
index 000000000..3acb4222b
--- /dev/null
+++ b/vendor/go.mongodb.org/mongo-driver/x/bsonx/bsoncore/element.go
@@ -0,0 +1,152 @@
+// Copyright (C) MongoDB, Inc. 2017-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+
+package bsoncore
+
+import (
+	"bytes"
+	"fmt"
+
+	"go.mongodb.org/mongo-driver/bson/bsontype"
+)
+
+// MalformedElementError represents a class of errors that RawElement methods return.
+type MalformedElementError string
+
+func (mee MalformedElementError) Error() string { return string(mee) }
+
+// ErrElementMissingKey is returned when a RawElement is missing a key.
+const ErrElementMissingKey MalformedElementError = "element is missing key"
+
+// ErrElementMissingType is returned when a RawElement is missing a type.
+const ErrElementMissingType MalformedElementError = "element is missing type"
+
+// Element is a raw bytes representation of a BSON element.
+type Element []byte
+
+// Key returns the key for this element. If the element is not valid, this method returns an empty
+// string. If knowing if the element is valid is important, use KeyErr.
+func (e Element) Key() string {
+	key, _ := e.KeyErr()
+	return key
+}
+
+// KeyBytes returns the key for this element as a []byte. If the element is not valid, this method
+// returns an empty string. If knowing if the element is valid is important, use KeyErr. This method
+// will not include the null byte at the end of the key in the slice of bytes.
+func (e Element) KeyBytes() []byte {
+	key, _ := e.KeyBytesErr()
+	return key
+}
+
+// KeyErr returns the key for this element, returning an error if the element is not valid.
+func (e Element) KeyErr() (string, error) {
+	key, err := e.KeyBytesErr()
+	return string(key), err
+}
+
+// KeyBytesErr returns the key for this element as a []byte, returning an error if the element is
+// not valid.
+func (e Element) KeyBytesErr() ([]byte, error) {
+	if len(e) <= 0 {
+		return nil, ErrElementMissingType
+	}
+	idx := bytes.IndexByte(e[1:], 0x00)
+	if idx == -1 {
+		return nil, ErrElementMissingKey
+	}
+	return e[1 : idx+1], nil
+}
+
+// Validate ensures the element is a valid BSON element.
+func (e Element) Validate() error {
+	if len(e) < 1 {
+		return ErrElementMissingType
+	}
+	idx := bytes.IndexByte(e[1:], 0x00)
+	if idx == -1 {
+		return ErrElementMissingKey
+	}
+	return Value{Type: bsontype.Type(e[0]), Data: e[idx+2:]}.Validate()
+}
+
+// CompareKey will compare this element's key to key. This method makes it easy to compare keys
+// without needing to allocate a string. The key may be null terminated. If a valid key cannot be
+// read this method will return false.
+func (e Element) CompareKey(key []byte) bool {
+	if len(e) < 2 {
+		return false
+	}
+	idx := bytes.IndexByte(e[1:], 0x00)
+	if idx == -1 {
+		return false
+	}
+	if index := bytes.IndexByte(key, 0x00); index > -1 {
+		key = key[:index]
+	}
+	return bytes.Equal(e[1:idx+1], key)
+}
+
+// Value returns the value of this element. If the element is not valid, this method returns an
+// empty Value. If knowing if the element is valid is important, use ValueErr.
+func (e Element) Value() Value {
+	val, _ := e.ValueErr()
+	return val
+}
+
+// ValueErr returns the value for this element, returning an error if the element is not valid.
+func (e Element) ValueErr() (Value, error) {
+	if len(e) <= 0 {
+		return Value{}, ErrElementMissingType
+	}
+	idx := bytes.IndexByte(e[1:], 0x00)
+	if idx == -1 {
+		return Value{}, ErrElementMissingKey
+	}
+
+	val, rem, exists := ReadValue(e[idx+2:], bsontype.Type(e[0]))
+	if !exists {
+		return Value{}, NewInsufficientBytesError(e, rem)
+	}
+	return val, nil
+}
+
+// String implements the fmt.String interface. The output will be in extended JSON format.
+func (e Element) String() string {
+	if len(e) <= 0 {
+		return ""
+	}
+	t := bsontype.Type(e[0])
+	idx := bytes.IndexByte(e[1:], 0x00)
+	if idx == -1 {
+		return ""
+	}
+	key, valBytes := []byte(e[1:idx+1]), []byte(e[idx+2:])
+	val, _, valid := ReadValue(valBytes, t)
+	if !valid {
+		return ""
+	}
+	return fmt.Sprintf(`"%s": %v`, key, val)
+}
+
+// DebugString outputs a human readable version of RawElement. It will attempt to stringify the
+// valid components of the element even if the entire element is not valid.
+func (e Element) DebugString() string {
+	if len(e) <= 0 {
+		return "<malformed>"
+	}
+	t := bsontype.Type(e[0])
+	idx := bytes.IndexByte(e[1:], 0x00)
+	if idx == -1 {
+		return fmt.Sprintf(`bson.Element{[%s]<malformed>}`, t)
+	}
+	key, valBytes := []byte(e[1:idx+1]), []byte(e[idx+2:])
+	val, _, valid := ReadValue(valBytes, t)
+	if !valid {
+		return fmt.Sprintf(`bson.Element{[%s]"%s": <malformed>}`, t, key)
+	}
+	return fmt.Sprintf(`bson.Element{[%s]"%s": %v}`, t, key, val)
+}
diff --git a/vendor/go.mongodb.org/mongo-driver/x/bsonx/bsoncore/tables.go b/vendor/go.mongodb.org/mongo-driver/x/bsonx/bsoncore/tables.go
new file mode 100644
index 000000000..9fd903fd2
--- /dev/null
+++ b/vendor/go.mongodb.org/mongo-driver/x/bsonx/bsoncore/tables.go
@@ -0,0 +1,223 @@
+// Copyright (C) MongoDB, Inc. 2017-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+//
+// Based on github.com/golang/go by The Go Authors
+// See THIRD-PARTY-NOTICES for original license terms.
+
+package bsoncore
+
+import "unicode/utf8"
+
+// safeSet holds the value true if the ASCII character with the given array
+// position can be represented inside a JSON string without any further
+// escaping.
+//
+// All values are true except for the ASCII control characters (0-31), the
+// double quote ("), and the backslash character ("\").
+var safeSet = [utf8.RuneSelf]bool{
+	' ':      true,
+	'!':      true,
+	'"':      false,
+	'#':      true,
+	'$':      true,
+	'%':      true,
+	'&':      true,
+	'\'':     true,
+	'(':      true,
+	')':      true,
+	'*':      true,
+	'+':      true,
+	',':      true,
+	'-':      true,
+	'.':      true,
+	'/':      true,
+	'0':      true,
+	'1':      true,
+	'2':      true,
+	'3':      true,
+	'4':      true,
+	'5':      true,
+	'6':      true,
+	'7':      true,
+	'8':      true,
+	'9':      true,
+	':':      true,
+	';':      true,
+	'<':      true,
+	'=':      true,
+	'>':      true,
+	'?':      true,
+	'@':      true,
+	'A':      true,
+	'B':      true,
+	'C':      true,
+	'D':      true,
+	'E':      true,
+	'F':      true,
+	'G':      true,
+	'H':      true,
+	'I':      true,
+	'J':      true,
+	'K':      true,
+	'L':      true,
+	'M':      true,
+	'N':      true,
+	'O':      true,
+	'P':      true,
+	'Q':      true,
+	'R':      true,
+	'S':      true,
+	'T':      true,
+	'U':      true,
+	'V':      true,
+	'W':      true,
+	'X':      true,
+	'Y':      true,
+	'Z':      true,
+	'[':      true,
+	'\\':     false,
+	']':      true,
+	'^':      true,
+	'_':      true,
+	'`':      true,
+	'a':      true,
+	'b':      true,
+	'c':      true,
+	'd':      true,
+	'e':      true,
+	'f':      true,
+	'g':      true,
+	'h':      true,
+	'i':      true,
+	'j':      true,
+	'k':      true,
+	'l':      true,
+	'm':      true,
+	'n':      true,
+	'o':      true,
+	'p':      true,
+	'q':      true,
+	'r':      true,
+	's':      true,
+	't':      true,
+	'u':      true,
+	'v':      true,
+	'w':      true,
+	'x':      true,
+	'y':      true,
+	'z':      true,
+	'{':      true,
+	'|':      true,
+	'}':      true,
+	'~':      true,
+	'\u007f': true,
+}
+
+// htmlSafeSet holds the value true if the ASCII character with the given
+// array position can be safely represented inside a JSON string, embedded
+// inside of HTML <script> tags, without any additional escaping.
+//
+// All values are true except for the ASCII control characters (0-31), the
+// double quote ("), the backslash character ("\"), HTML opening and closing
+// tags ("<" and ">"), and the ampersand ("&").
+var htmlSafeSet = [utf8.RuneSelf]bool{
+	' ':      true,
+	'!':      true,
+	'"':      false,
+	'#':      true,
+	'$':      true,
+	'%':      true,
+	'&':      false,
+	'\'':     true,
+	'(':      true,
+	')':      true,
+	'*':      true,
+	'+':      true,
+	',':      true,
+	'-':      true,
+	'.':      true,
+	'/':      true,
+	'0':      true,
+	'1':      true,
+	'2':      true,
+	'3':      true,
+	'4':      true,
+	'5':      true,
+	'6':      true,
+	'7':      true,
+	'8':      true,
+	'9':      true,
+	':':      true,
+	';':      true,
+	'<':      false,
+	'=':      true,
+	'>':      false,
+	'?':      true,
+	'@':      true,
+	'A':      true,
+	'B':      true,
+	'C':      true,
+	'D':      true,
+	'E':      true,
+	'F':      true,
+	'G':      true,
+	'H':      true,
+	'I':      true,
+	'J':      true,
+	'K':      true,
+	'L':      true,
+	'M':      true,
+	'N':      true,
+	'O':      true,
+	'P':      true,
+	'Q':      true,
+	'R':      true,
+	'S':      true,
+	'T':      true,
+	'U':      true,
+	'V':      true,
+	'W':      true,
+	'X':      true,
+	'Y':      true,
+	'Z':      true,
+	'[':      true,
+	'\\':     false,
+	']':      true,
+	'^':      true,
+	'_':      true,
+	'`':      true,
+	'a':      true,
+	'b':      true,
+	'c':      true,
+	'd':      true,
+	'e':      true,
+	'f':      true,
+	'g':      true,
+	'h':      true,
+	'i':      true,
+	'j':      true,
+	'k':      true,
+	'l':      true,
+	'm':      true,
+	'n':      true,
+	'o':      true,
+	'p':      true,
+	'q':      true,
+	'r':      true,
+	's':      true,
+	't':      true,
+	'u':      true,
+	'v':      true,
+	'w':      true,
+	'x':      true,
+	'y':      true,
+	'z':      true,
+	'{':      true,
+	'|':      true,
+	'}':      true,
+	'~':      true,
+	'\u007f': true,
+}
diff --git a/vendor/go.mongodb.org/mongo-driver/x/bsonx/bsoncore/value.go b/vendor/go.mongodb.org/mongo-driver/x/bsonx/bsoncore/value.go
new file mode 100644
index 000000000..789d2b982
--- /dev/null
+++ b/vendor/go.mongodb.org/mongo-driver/x/bsonx/bsoncore/value.go
@@ -0,0 +1,980 @@
+// Copyright (C) MongoDB, Inc. 2017-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+
+package bsoncore
+
+import (
+	"bytes"
+	"encoding/base64"
+	"fmt"
+	"math"
+	"sort"
+	"strconv"
+	"strings"
+	"time"
+	"unicode/utf8"
+
+	"go.mongodb.org/mongo-driver/bson/bsontype"
+	"go.mongodb.org/mongo-driver/bson/primitive"
+)
+
+// ElementTypeError specifies that a method to obtain a BSON value an incorrect type was called on a bson.Value.
+type ElementTypeError struct {
+	Method string
+	Type   bsontype.Type
+}
+
+// Error implements the error interface.
+func (ete ElementTypeError) Error() string {
+	return "Call of " + ete.Method + " on " + ete.Type.String() + " type"
+}
+
+// Value represents a BSON value with a type and raw bytes.
+type Value struct {
+	Type bsontype.Type
+	Data []byte
+}
+
+// Validate ensures the value is a valid BSON value.
+func (v Value) Validate() error {
+	_, _, valid := readValue(v.Data, v.Type)
+	if !valid {
+		return NewInsufficientBytesError(v.Data, v.Data)
+	}
+	return nil
+}
+
+// IsNumber returns true if the type of v is a numeric BSON type.
+func (v Value) IsNumber() bool {
+	switch v.Type {
+	case bsontype.Double, bsontype.Int32, bsontype.Int64, bsontype.Decimal128:
+		return true
+	default:
+		return false
+	}
+}
+
+// AsInt32 returns a BSON number as an int32. If the BSON type is not a numeric one, this method
+// will panic.
+//
+// TODO(skriptble): Add support for Decimal128.
+func (v Value) AsInt32() int32 {
+	if !v.IsNumber() {
+		panic(ElementTypeError{"bsoncore.Value.AsInt32", v.Type})
+	}
+	var i32 int32
+	switch v.Type {
+	case bsontype.Double:
+		f64, _, ok := ReadDouble(v.Data)
+		if !ok {
+			panic(NewInsufficientBytesError(v.Data, v.Data))
+		}
+		i32 = int32(f64)
+	case bsontype.Int32:
+		var ok bool
+		i32, _, ok = ReadInt32(v.Data)
+		if !ok {
+			panic(NewInsufficientBytesError(v.Data, v.Data))
+		}
+	case bsontype.Int64:
+		i64, _, ok := ReadInt64(v.Data)
+		if !ok {
+			panic(NewInsufficientBytesError(v.Data, v.Data))
+		}
+		i32 = int32(i64)
+	case bsontype.Decimal128:
+		panic(ElementTypeError{"bsoncore.Value.AsInt32", v.Type})
+	}
+	return i32
+}
+
+// AsInt32OK functions the same as AsInt32 but returns a boolean instead of panicking. False
+// indicates an error.
+//
+// TODO(skriptble): Add support for Decimal128.
+func (v Value) AsInt32OK() (int32, bool) {
+	if !v.IsNumber() {
+		return 0, false
+	}
+	var i32 int32
+	switch v.Type {
+	case bsontype.Double:
+		f64, _, ok := ReadDouble(v.Data)
+		if !ok {
+			return 0, false
+		}
+		i32 = int32(f64)
+	case bsontype.Int32:
+		var ok bool
+		i32, _, ok = ReadInt32(v.Data)
+		if !ok {
+			return 0, false
+		}
+	case bsontype.Int64:
+		i64, _, ok := ReadInt64(v.Data)
+		if !ok {
+			return 0, false
+		}
+		i32 = int32(i64)
+	case bsontype.Decimal128:
+		return 0, false
+	}
+	return i32, true
+}
+
+// AsInt64 returns a BSON number as an int64. If the BSON type is not a numeric one, this method
+// will panic.
+//
+// TODO(skriptble): Add support for Decimal128.
+func (v Value) AsInt64() int64 {
+	if !v.IsNumber() {
+		panic(ElementTypeError{"bsoncore.Value.AsInt64", v.Type})
+	}
+	var i64 int64
+	switch v.Type {
+	case bsontype.Double:
+		f64, _, ok := ReadDouble(v.Data)
+		if !ok {
+			panic(NewInsufficientBytesError(v.Data, v.Data))
+		}
+		i64 = int64(f64)
+	case bsontype.Int32:
+		var ok bool
+		i32, _, ok := ReadInt32(v.Data)
+		if !ok {
+			panic(NewInsufficientBytesError(v.Data, v.Data))
+		}
+		i64 = int64(i32)
+	case bsontype.Int64:
+		var ok bool
+		i64, _, ok = ReadInt64(v.Data)
+		if !ok {
+			panic(NewInsufficientBytesError(v.Data, v.Data))
+		}
+	case bsontype.Decimal128:
+		panic(ElementTypeError{"bsoncore.Value.AsInt64", v.Type})
+	}
+	return i64
+}
+
+// AsInt64OK functions the same as AsInt64 but returns a boolean instead of panicking. False
+// indicates an error.
+//
+// TODO(skriptble): Add support for Decimal128.
+func (v Value) AsInt64OK() (int64, bool) {
+	if !v.IsNumber() {
+		return 0, false
+	}
+	var i64 int64
+	switch v.Type {
+	case bsontype.Double:
+		f64, _, ok := ReadDouble(v.Data)
+		if !ok {
+			return 0, false
+		}
+		i64 = int64(f64)
+	case bsontype.Int32:
+		var ok bool
+		i32, _, ok := ReadInt32(v.Data)
+		if !ok {
+			return 0, false
+		}
+		i64 = int64(i32)
+	case bsontype.Int64:
+		var ok bool
+		i64, _, ok = ReadInt64(v.Data)
+		if !ok {
+			return 0, false
+		}
+	case bsontype.Decimal128:
+		return 0, false
+	}
+	return i64, true
+}
+
+// AsFloat64 returns a BSON number as an float64. If the BSON type is not a numeric one, this method
+// will panic.
+//
+// TODO(skriptble): Add support for Decimal128.
+func (v Value) AsFloat64() float64 { return 0 }
+
+// AsFloat64OK functions the same as AsFloat64 but returns a boolean instead of panicking. False
+// indicates an error.
+//
+// TODO(skriptble): Add support for Decimal128.
+func (v Value) AsFloat64OK() (float64, bool) { return 0, false }
+
+// Add will add this value to another. This is currently only implemented for strings and numbers.
+// If either value is a string, the other type is coerced into a string and added to the other.
+//
+// This method will alter v and will attempt to reuse the []byte of v. If the []byte is too small,
+// it will be expanded.
+func (v *Value) Add(v2 Value) error { return nil }
+
+// Equal compaes v to v2 and returns true if they are equal.
+func (v Value) Equal(v2 Value) bool {
+	if v.Type != v2.Type {
+		return false
+	}
+
+	return bytes.Equal(v.Data, v2.Data)
+}
+
+// String implements the fmt.String interface. This method will return values in extended JSON
+// format. If the value is not valid, this returns an empty string
+func (v Value) String() string {
+	switch v.Type {
+	case bsontype.Double:
+		f64, ok := v.DoubleOK()
+		if !ok {
+			return ""
+		}
+		return fmt.Sprintf(`{"$numberDouble":"%s"}`, formatDouble(f64))
+	case bsontype.String:
+		str, ok := v.StringValueOK()
+		if !ok {
+			return ""
+		}
+		return escapeString(str)
+	case bsontype.EmbeddedDocument:
+		doc, ok := v.DocumentOK()
+		if !ok {
+			return ""
+		}
+		return doc.String()
+	case bsontype.Array:
+		arr, ok := v.ArrayOK()
+		if !ok {
+			return ""
+		}
+		return arr.String()
+	case bsontype.Binary:
+		subtype, data, ok := v.BinaryOK()
+		if !ok {
+			return ""
+		}
+		return fmt.Sprintf(`{"$binary":{"base64":"%s","subType":"%02x"}}`, base64.StdEncoding.EncodeToString(data), subtype)
+	case bsontype.Undefined:
+		return `{"$undefined":true}`
+	case bsontype.ObjectID:
+		oid, ok := v.ObjectIDOK()
+		if !ok {
+			return ""
+		}
+		return fmt.Sprintf(`{"$oid":"%s"}`, oid.Hex())
+	case bsontype.Boolean:
+		b, ok := v.BooleanOK()
+		if !ok {
+			return ""
+		}
+		return strconv.FormatBool(b)
+	case bsontype.DateTime:
+		dt, ok := v.DateTimeOK()
+		if !ok {
+			return ""
+		}
+		return fmt.Sprintf(`{"$date":{"$numberLong":"%d"}}`, dt)
+	case bsontype.Null:
+		return "null"
+	case bsontype.Regex:
+		pattern, options, ok := v.RegexOK()
+		if !ok {
+			return ""
+		}
+		return fmt.Sprintf(
+			`{"$regularExpression":{"pattern":%s,"options":"%s"}}`,
+			escapeString(pattern), sortStringAlphebeticAscending(options),
+		)
+	case bsontype.DBPointer:
+		ns, pointer, ok := v.DBPointerOK()
+		if !ok {
+			return ""
+		}
+		return fmt.Sprintf(`{"$dbPointer":{"$ref":%s,"$id":{"$oid":"%s"}}}`, escapeString(ns), pointer.Hex())
+	case bsontype.JavaScript:
+		js, ok := v.JavaScriptOK()
+		if !ok {
+			return ""
+		}
+		return fmt.Sprintf(`{"$code":%s}`, escapeString(js))
+	case bsontype.Symbol:
+		symbol, ok := v.SymbolOK()
+		if !ok {
+			return ""
+		}
+		return fmt.Sprintf(`{"$symbol":%s}`, escapeString(symbol))
+	case bsontype.CodeWithScope:
+		code, scope, ok := v.CodeWithScopeOK()
+		if !ok {
+			return ""
+		}
+		return fmt.Sprintf(`{"$code":%s,"$scope":%s}`, code, scope)
+	case bsontype.Int32:
+		i32, ok := v.Int32OK()
+		if !ok {
+			return ""
+		}
+		return fmt.Sprintf(`{"$numberInt":"%d"}`, i32)
+	case bsontype.Timestamp:
+		t, i, ok := v.TimestampOK()
+		if !ok {
+			return ""
+		}
+		return fmt.Sprintf(`{"$timestamp":{"t":%v,"i":%v}}`, t, i)
+	case bsontype.Int64:
+		i64, ok := v.Int64OK()
+		if !ok {
+			return ""
+		}
+		return fmt.Sprintf(`{"$numberLong":"%d"}`, i64)
+	case bsontype.Decimal128:
+		d128, ok := v.Decimal128OK()
+		if !ok {
+			return ""
+		}
+		return fmt.Sprintf(`{"$numberDecimal":"%s"}`, d128.String())
+	case bsontype.MinKey:
+		return `{"$minKey":1}`
+	case bsontype.MaxKey:
+		return `{"$maxKey":1}`
+	default:
+		return ""
+	}
+}
+
+// DebugString outputs a human readable version of Document. It will attempt to stringify the
+// valid components of the document even if the entire document is not valid.
+func (v Value) DebugString() string {
+	switch v.Type {
+	case bsontype.String:
+		str, ok := v.StringValueOK()
+		if !ok {
+			return "<malformed>"
+		}
+		return escapeString(str)
+	case bsontype.EmbeddedDocument:
+		doc, ok := v.DocumentOK()
+		if !ok {
+			return "<malformed>"
+		}
+		return doc.DebugString()
+	case bsontype.Array:
+		arr, ok := v.ArrayOK()
+		if !ok {
+			return "<malformed>"
+		}
+		return arr.DebugString()
+	case bsontype.CodeWithScope:
+		code, scope, ok := v.CodeWithScopeOK()
+		if !ok {
+			return ""
+		}
+		return fmt.Sprintf(`{"$code":%s,"$scope":%s}`, code, scope.DebugString())
+	default:
+		str := v.String()
+		if str == "" {
+			return "<malformed>"
+		}
+		return str
+	}
+}
+
+// Double returns the float64 value for this element.
+// It panics if e's BSON type is not bsontype.Double.
+func (v Value) Double() float64 {
+	if v.Type != bsontype.Double {
+		panic(ElementTypeError{"bsoncore.Value.Double", v.Type})
+	}
+	f64, _, ok := ReadDouble(v.Data)
+	if !ok {
+		panic(NewInsufficientBytesError(v.Data, v.Data))
+	}
+	return f64
+}
+
+// DoubleOK is the same as Double, but returns a boolean instead of panicking.
+func (v Value) DoubleOK() (float64, bool) {
+	if v.Type != bsontype.Double {
+		return 0, false
+	}
+	f64, _, ok := ReadDouble(v.Data)
+	if !ok {
+		return 0, false
+	}
+	return f64, true
+}
+
+// StringValue returns the string balue for this element.
+// It panics if e's BSON type is not bsontype.String.
+//
+// NOTE: This method is called StringValue to avoid a collision with the String method which
+// implements the fmt.Stringer interface.
+func (v Value) StringValue() string {
+	if v.Type != bsontype.String {
+		panic(ElementTypeError{"bsoncore.Value.StringValue", v.Type})
+	}
+	str, _, ok := ReadString(v.Data)
+	if !ok {
+		panic(NewInsufficientBytesError(v.Data, v.Data))
+	}
+	return str
+}
+
+// StringValueOK is the same as StringValue, but returns a boolean instead of
+// panicking.
+func (v Value) StringValueOK() (string, bool) {
+	if v.Type != bsontype.String {
+		return "", false
+	}
+	str, _, ok := ReadString(v.Data)
+	if !ok {
+		return "", false
+	}
+	return str, true
+}
+
+// Document returns the BSON document the Value represents as a Document. It panics if the
+// value is a BSON type other than document.
+func (v Value) Document() Document {
+	if v.Type != bsontype.EmbeddedDocument {
+		panic(ElementTypeError{"bsoncore.Value.Document", v.Type})
+	}
+	doc, _, ok := ReadDocument(v.Data)
+	if !ok {
+		panic(NewInsufficientBytesError(v.Data, v.Data))
+	}
+	return doc
+}
+
+// DocumentOK is the same as Document, except it returns a boolean
+// instead of panicking.
+func (v Value) DocumentOK() (Document, bool) {
+	if v.Type != bsontype.EmbeddedDocument {
+		return nil, false
+	}
+	doc, _, ok := ReadDocument(v.Data)
+	if !ok {
+		return nil, false
+	}
+	return doc, true
+}
+
+// Array returns the BSON array the Value represents as an Array. It panics if the
+// value is a BSON type other than array.
+func (v Value) Array() Array {
+	if v.Type != bsontype.Array {
+		panic(ElementTypeError{"bsoncore.Value.Array", v.Type})
+	}
+	arr, _, ok := ReadArray(v.Data)
+	if !ok {
+		panic(NewInsufficientBytesError(v.Data, v.Data))
+	}
+	return arr
+}
+
+// ArrayOK is the same as Array, except it returns a boolean instead
+// of panicking.
+func (v Value) ArrayOK() (Array, bool) {
+	if v.Type != bsontype.Array {
+		return nil, false
+	}
+	arr, _, ok := ReadArray(v.Data)
+	if !ok {
+		return nil, false
+	}
+	return arr, true
+}
+
+// Binary returns the BSON binary value the Value represents. It panics if the value is a BSON type
+// other than binary.
+func (v Value) Binary() (subtype byte, data []byte) {
+	if v.Type != bsontype.Binary {
+		panic(ElementTypeError{"bsoncore.Value.Binary", v.Type})
+	}
+	subtype, data, _, ok := ReadBinary(v.Data)
+	if !ok {
+		panic(NewInsufficientBytesError(v.Data, v.Data))
+	}
+	return subtype, data
+}
+
+// BinaryOK is the same as Binary, except it returns a boolean instead of
+// panicking.
+func (v Value) BinaryOK() (subtype byte, data []byte, ok bool) {
+	if v.Type != bsontype.Binary {
+		return 0x00, nil, false
+	}
+	subtype, data, _, ok = ReadBinary(v.Data)
+	if !ok {
+		return 0x00, nil, false
+	}
+	return subtype, data, true
+}
+
+// ObjectID returns the BSON objectid value the Value represents. It panics if the value is a BSON
+// type other than objectid.
+func (v Value) ObjectID() primitive.ObjectID {
+	if v.Type != bsontype.ObjectID {
+		panic(ElementTypeError{"bsoncore.Value.ObjectID", v.Type})
+	}
+	oid, _, ok := ReadObjectID(v.Data)
+	if !ok {
+		panic(NewInsufficientBytesError(v.Data, v.Data))
+	}
+	return oid
+}
+
+// ObjectIDOK is the same as ObjectID, except it returns a boolean instead of
+// panicking.
+func (v Value) ObjectIDOK() (primitive.ObjectID, bool) {
+	if v.Type != bsontype.ObjectID {
+		return primitive.ObjectID{}, false
+	}
+	oid, _, ok := ReadObjectID(v.Data)
+	if !ok {
+		return primitive.ObjectID{}, false
+	}
+	return oid, true
+}
+
+// Boolean returns the boolean value the Value represents. It panics if the
+// value is a BSON type other than boolean.
+func (v Value) Boolean() bool {
+	if v.Type != bsontype.Boolean {
+		panic(ElementTypeError{"bsoncore.Value.Boolean", v.Type})
+	}
+	b, _, ok := ReadBoolean(v.Data)
+	if !ok {
+		panic(NewInsufficientBytesError(v.Data, v.Data))
+	}
+	return b
+}
+
+// BooleanOK is the same as Boolean, except it returns a boolean instead of
+// panicking.
+func (v Value) BooleanOK() (bool, bool) {
+	if v.Type != bsontype.Boolean {
+		return false, false
+	}
+	b, _, ok := ReadBoolean(v.Data)
+	if !ok {
+		return false, false
+	}
+	return b, true
+}
+
+// DateTime returns the BSON datetime value the Value represents as a
+// unix timestamp. It panics if the value is a BSON type other than datetime.
+func (v Value) DateTime() int64 {
+	if v.Type != bsontype.DateTime {
+		panic(ElementTypeError{"bsoncore.Value.DateTime", v.Type})
+	}
+	dt, _, ok := ReadDateTime(v.Data)
+	if !ok {
+		panic(NewInsufficientBytesError(v.Data, v.Data))
+	}
+	return dt
+}
+
+// DateTimeOK is the same as DateTime, except it returns a boolean instead of
+// panicking.
+func (v Value) DateTimeOK() (int64, bool) {
+	if v.Type != bsontype.DateTime {
+		return 0, false
+	}
+	dt, _, ok := ReadDateTime(v.Data)
+	if !ok {
+		return 0, false
+	}
+	return dt, true
+}
+
+// Time returns the BSON datetime value the Value represents. It panics if the value is a BSON
+// type other than datetime.
+func (v Value) Time() time.Time {
+	if v.Type != bsontype.DateTime {
+		panic(ElementTypeError{"bsoncore.Value.Time", v.Type})
+	}
+	dt, _, ok := ReadDateTime(v.Data)
+	if !ok {
+		panic(NewInsufficientBytesError(v.Data, v.Data))
+	}
+	return time.Unix(dt/1000, dt%1000*1000000)
+}
+
+// TimeOK is the same as Time, except it returns a boolean instead of
+// panicking.
+func (v Value) TimeOK() (time.Time, bool) {
+	if v.Type != bsontype.DateTime {
+		return time.Time{}, false
+	}
+	dt, _, ok := ReadDateTime(v.Data)
+	if !ok {
+		return time.Time{}, false
+	}
+	return time.Unix(dt/1000, dt%1000*1000000), true
+}
+
+// Regex returns the BSON regex value the Value represents. It panics if the value is a BSON
+// type other than regex.
+func (v Value) Regex() (pattern, options string) {
+	if v.Type != bsontype.Regex {
+		panic(ElementTypeError{"bsoncore.Value.Regex", v.Type})
+	}
+	pattern, options, _, ok := ReadRegex(v.Data)
+	if !ok {
+		panic(NewInsufficientBytesError(v.Data, v.Data))
+	}
+	return pattern, options
+}
+
+// RegexOK is the same as Regex, except it returns a boolean instead of
+// panicking.
+func (v Value) RegexOK() (pattern, options string, ok bool) {
+	if v.Type != bsontype.Regex {
+		return "", "", false
+	}
+	pattern, options, _, ok = ReadRegex(v.Data)
+	if !ok {
+		return "", "", false
+	}
+	return pattern, options, true
+}
+
+// DBPointer returns the BSON dbpointer value the Value represents. It panics if the value is a BSON
+// type other than DBPointer.
+func (v Value) DBPointer() (string, primitive.ObjectID) {
+	if v.Type != bsontype.DBPointer {
+		panic(ElementTypeError{"bsoncore.Value.DBPointer", v.Type})
+	}
+	ns, pointer, _, ok := ReadDBPointer(v.Data)
+	if !ok {
+		panic(NewInsufficientBytesError(v.Data, v.Data))
+	}
+	return ns, pointer
+}
+
+// DBPointerOK is the same as DBPoitner, except that it returns a boolean
+// instead of panicking.
+func (v Value) DBPointerOK() (string, primitive.ObjectID, bool) {
+	if v.Type != bsontype.DBPointer {
+		return "", primitive.ObjectID{}, false
+	}
+	ns, pointer, _, ok := ReadDBPointer(v.Data)
+	if !ok {
+		return "", primitive.ObjectID{}, false
+	}
+	return ns, pointer, true
+}
+
+// JavaScript returns the BSON JavaScript code value the Value represents. It panics if the value is
+// a BSON type other than JavaScript code.
+func (v Value) JavaScript() string {
+	if v.Type != bsontype.JavaScript {
+		panic(ElementTypeError{"bsoncore.Value.JavaScript", v.Type})
+	}
+	js, _, ok := ReadJavaScript(v.Data)
+	if !ok {
+		panic(NewInsufficientBytesError(v.Data, v.Data))
+	}
+	return js
+}
+
+// JavaScriptOK is the same as Javascript, excepti that it returns a boolean
+// instead of panicking.
+func (v Value) JavaScriptOK() (string, bool) {
+	if v.Type != bsontype.JavaScript {
+		return "", false
+	}
+	js, _, ok := ReadJavaScript(v.Data)
+	if !ok {
+		return "", false
+	}
+	return js, true
+}
+
+// Symbol returns the BSON symbol value the Value represents. It panics if the value is a BSON
+// type other than symbol.
+func (v Value) Symbol() string {
+	if v.Type != bsontype.Symbol {
+		panic(ElementTypeError{"bsoncore.Value.Symbol", v.Type})
+	}
+	symbol, _, ok := ReadSymbol(v.Data)
+	if !ok {
+		panic(NewInsufficientBytesError(v.Data, v.Data))
+	}
+	return symbol
+}
+
+// SymbolOK is the same as Symbol, excepti that it returns a boolean
+// instead of panicking.
+func (v Value) SymbolOK() (string, bool) {
+	if v.Type != bsontype.Symbol {
+		return "", false
+	}
+	symbol, _, ok := ReadSymbol(v.Data)
+	if !ok {
+		return "", false
+	}
+	return symbol, true
+}
+
+// CodeWithScope returns the BSON JavaScript code with scope the Value represents.
+// It panics if the value is a BSON type other than JavaScript code with scope.
+func (v Value) CodeWithScope() (string, Document) {
+	if v.Type != bsontype.CodeWithScope {
+		panic(ElementTypeError{"bsoncore.Value.CodeWithScope", v.Type})
+	}
+	code, scope, _, ok := ReadCodeWithScope(v.Data)
+	if !ok {
+		panic(NewInsufficientBytesError(v.Data, v.Data))
+	}
+	return code, scope
+}
+
+// CodeWithScopeOK is the same as CodeWithScope, except that it returns a boolean instead of
+// panicking.
+func (v Value) CodeWithScopeOK() (string, Document, bool) {
+	if v.Type != bsontype.CodeWithScope {
+		return "", nil, false
+	}
+	code, scope, _, ok := ReadCodeWithScope(v.Data)
+	if !ok {
+		return "", nil, false
+	}
+	return code, scope, true
+}
+
+// Int32 returns the int32 the Value represents. It panics if the value is a BSON type other than
+// int32.
+func (v Value) Int32() int32 {
+	if v.Type != bsontype.Int32 {
+		panic(ElementTypeError{"bsoncore.Value.Int32", v.Type})
+	}
+	i32, _, ok := ReadInt32(v.Data)
+	if !ok {
+		panic(NewInsufficientBytesError(v.Data, v.Data))
+	}
+	return i32
+}
+
+// Int32OK is the same as Int32, except that it returns a boolean instead of
+// panicking.
+func (v Value) Int32OK() (int32, bool) {
+	if v.Type != bsontype.Int32 {
+		return 0, false
+	}
+	i32, _, ok := ReadInt32(v.Data)
+	if !ok {
+		return 0, false
+	}
+	return i32, true
+}
+
+// Timestamp returns the BSON timestamp value the Value represents. It panics if the value is a
+// BSON type other than timestamp.
+func (v Value) Timestamp() (t, i uint32) {
+	if v.Type != bsontype.Timestamp {
+		panic(ElementTypeError{"bsoncore.Value.Timestamp", v.Type})
+	}
+	t, i, _, ok := ReadTimestamp(v.Data)
+	if !ok {
+		panic(NewInsufficientBytesError(v.Data, v.Data))
+	}
+	return t, i
+}
+
+// TimestampOK is the same as Timestamp, except that it returns a boolean
+// instead of panicking.
+func (v Value) TimestampOK() (t, i uint32, ok bool) {
+	if v.Type != bsontype.Timestamp {
+		return 0, 0, false
+	}
+	t, i, _, ok = ReadTimestamp(v.Data)
+	if !ok {
+		return 0, 0, false
+	}
+	return t, i, true
+}
+
+// Int64 returns the int64 the Value represents. It panics if the value is a BSON type other than
+// int64.
+func (v Value) Int64() int64 {
+	if v.Type != bsontype.Int64 {
+		panic(ElementTypeError{"bsoncore.Value.Int64", v.Type})
+	}
+	i64, _, ok := ReadInt64(v.Data)
+	if !ok {
+		panic(NewInsufficientBytesError(v.Data, v.Data))
+	}
+	return i64
+}
+
+// Int64OK is the same as Int64, except that it returns a boolean instead of
+// panicking.
+func (v Value) Int64OK() (int64, bool) {
+	if v.Type != bsontype.Int64 {
+		return 0, false
+	}
+	i64, _, ok := ReadInt64(v.Data)
+	if !ok {
+		return 0, false
+	}
+	return i64, true
+}
+
+// Decimal128 returns the decimal the Value represents. It panics if the value is a BSON type other than
+// decimal.
+func (v Value) Decimal128() primitive.Decimal128 {
+	if v.Type != bsontype.Decimal128 {
+		panic(ElementTypeError{"bsoncore.Value.Decimal128", v.Type})
+	}
+	d128, _, ok := ReadDecimal128(v.Data)
+	if !ok {
+		panic(NewInsufficientBytesError(v.Data, v.Data))
+	}
+	return d128
+}
+
+// Decimal128OK is the same as Decimal128, except that it returns a boolean
+// instead of panicking.
+func (v Value) Decimal128OK() (primitive.Decimal128, bool) {
+	if v.Type != bsontype.Decimal128 {
+		return primitive.Decimal128{}, false
+	}
+	d128, _, ok := ReadDecimal128(v.Data)
+	if !ok {
+		return primitive.Decimal128{}, false
+	}
+	return d128, true
+}
+
+var hexChars = "0123456789abcdef"
+
+func escapeString(s string) string {
+	escapeHTML := true
+	var buf bytes.Buffer
+	buf.WriteByte('"')
+	start := 0
+	for i := 0; i < len(s); {
+		if b := s[i]; b < utf8.RuneSelf {
+			if htmlSafeSet[b] || (!escapeHTML && safeSet[b]) {
+				i++
+				continue
+			}
+			if start < i {
+				buf.WriteString(s[start:i])
+			}
+			switch b {
+			case '\\', '"':
+				buf.WriteByte('\\')
+				buf.WriteByte(b)
+			case '\n':
+				buf.WriteByte('\\')
+				buf.WriteByte('n')
+			case '\r':
+				buf.WriteByte('\\')
+				buf.WriteByte('r')
+			case '\t':
+				buf.WriteByte('\\')
+				buf.WriteByte('t')
+			case '\b':
+				buf.WriteByte('\\')
+				buf.WriteByte('b')
+			case '\f':
+				buf.WriteByte('\\')
+				buf.WriteByte('f')
+			default:
+				// This encodes bytes < 0x20 except for \t, \n and \r.
+				// If escapeHTML is set, it also escapes <, >, and &
+				// because they can lead to security holes when
+				// user-controlled strings are rendered into JSON
+				// and served to some browsers.
+				buf.WriteString(`\u00`)
+				buf.WriteByte(hexChars[b>>4])
+				buf.WriteByte(hexChars[b&0xF])
+			}
+			i++
+			start = i
+			continue
+		}
+		c, size := utf8.DecodeRuneInString(s[i:])
+		if c == utf8.RuneError && size == 1 {
+			if start < i {
+				buf.WriteString(s[start:i])
+			}
+			buf.WriteString(`\ufffd`)
+			i += size
+			start = i
+			continue
+		}
+		// U+2028 is LINE SEPARATOR.
+		// U+2029 is PARAGRAPH SEPARATOR.
+		// They are both technically valid characters in JSON strings,
+		// but don't work in JSONP, which has to be evaluated as JavaScript,
+		// and can lead to security holes there. It is valid JSON to
+		// escape them, so we do so unconditionally.
+		// See http://timelessrepo.com/json-isnt-a-javascript-subset for discussion.
+		if c == '\u2028' || c == '\u2029' {
+			if start < i {
+				buf.WriteString(s[start:i])
+			}
+			buf.WriteString(`\u202`)
+			buf.WriteByte(hexChars[c&0xF])
+			i += size
+			start = i
+			continue
+		}
+		i += size
+	}
+	if start < len(s) {
+		buf.WriteString(s[start:])
+	}
+	buf.WriteByte('"')
+	return buf.String()
+}
+
+func formatDouble(f float64) string {
+	var s string
+	if math.IsInf(f, 1) {
+		s = "Infinity"
+	} else if math.IsInf(f, -1) {
+		s = "-Infinity"
+	} else if math.IsNaN(f) {
+		s = "NaN"
+	} else {
+		// Print exactly one decimalType place for integers; otherwise, print as many are necessary to
+		// perfectly represent it.
+		s = strconv.FormatFloat(f, 'G', -1, 64)
+		if !strings.ContainsRune(s, '.') {
+			s += ".0"
+		}
+	}
+
+	return s
+}
+
+type sortableString []rune
+
+func (ss sortableString) Len() int {
+	return len(ss)
+}
+
+func (ss sortableString) Less(i, j int) bool {
+	return ss[i] < ss[j]
+}
+
+func (ss sortableString) Swap(i, j int) {
+	oldI := ss[i]
+	ss[i] = ss[j]
+	ss[j] = oldI
+}
+
+func sortStringAlphebeticAscending(s string) string {
+	ss := sortableString([]rune(s))
+	sort.Sort(ss)
+	return string([]rune(ss))
+}