diff --git a/vendor/github.com/jhump/protoreflect/codec/codec.go b/vendor/github.com/jhump/protoreflect/codec/codec.go
new file mode 100644
index 0000000..b6f4ed0
--- /dev/null
+++ b/vendor/github.com/jhump/protoreflect/codec/codec.go
@@ -0,0 +1,217 @@
+package codec
+
+import (
+	"io"
+
+	"github.com/golang/protobuf/proto"
+	"github.com/jhump/protoreflect/internal/codec"
+)
+
+// ErrOverflow is returned when an integer is too large to be represented.
+var ErrOverflow = codec.ErrOverflow
+
+// ErrBadWireType is returned when decoding a wire-type from a buffer that
+// is not valid.
+var ErrBadWireType = codec.ErrBadWireType
+
+// NB: much of the implementation is in an internal package, to avoid an import
+// cycle between this codec package and the desc package. We export it from
+// this package, but we can't use a type alias because we also need to add
+// methods to it, to broaden the exposed API.
+
+// Buffer is a reader and a writer that wraps a slice of bytes and also
+// provides API for decoding and encoding the protobuf binary format.
+//
+// Its operation is similar to that of a bytes.Buffer: writing pushes
+// data to the end of the buffer while reading pops data from the head
+// of the buffer. So the same buffer can be used to both read and write.
+type Buffer codec.Buffer
+
+// NewBuffer creates a new buffer with the given slice of bytes as the
+// buffer's initial contents.
+func NewBuffer(buf []byte) *Buffer {
+	return (*Buffer)(codec.NewBuffer(buf))
+}
+
+// SetDeterministic sets this buffer to encode messages deterministically. This
+// is useful for tests. But the overhead is non-zero, so it should not likely be
+// used outside of tests. When true, map fields in a message must have their
+// keys sorted before serialization to ensure deterministic output. Otherwise,
+// values in a map field will be serialized in map iteration order.
+func (cb *Buffer) SetDeterministic(deterministic bool) {
+	(*codec.Buffer)(cb).SetDeterministic(deterministic)
+}
+
+// IsDeterministic returns whether or not this buffer is configured to encode
+// messages deterministically.
+func (cb *Buffer) IsDeterministic() bool {
+	return (*codec.Buffer)(cb).IsDeterministic()
+}
+
+// Reset resets this buffer back to empty. Any subsequent writes/encodes
+// to the buffer will allocate a new backing slice of bytes.
+func (cb *Buffer) Reset() {
+	(*codec.Buffer)(cb).Reset()
+}
+
+// Bytes returns the slice of bytes remaining in the buffer. Note that
+// this does not perform a copy: if the contents of the returned slice
+// are modified, the modifications will be visible to subsequent reads
+// via the buffer.
+func (cb *Buffer) Bytes() []byte {
+	return (*codec.Buffer)(cb).Bytes()
+}
+
+// String returns the remaining bytes in the buffer as a string.
+func (cb *Buffer) String() string {
+	return (*codec.Buffer)(cb).String()
+}
+
+// EOF returns true if there are no more bytes remaining to read.
+func (cb *Buffer) EOF() bool {
+	return (*codec.Buffer)(cb).EOF()
+}
+
+// Skip attempts to skip the given number of bytes in the input. If
+// the input has fewer bytes than the given count, io.ErrUnexpectedEOF
+// is returned and the buffer is unchanged. Otherwise, the given number
+// of bytes are skipped and nil is returned.
+func (cb *Buffer) Skip(count int) error {
+	return (*codec.Buffer)(cb).Skip(count)
+
+}
+
+// Len returns the remaining number of bytes in the buffer.
+func (cb *Buffer) Len() int {
+	return (*codec.Buffer)(cb).Len()
+}
+
+// Read implements the io.Reader interface. If there are no bytes
+// remaining in the buffer, it will return 0, io.EOF. Otherwise,
+// it reads max(len(dest), cb.Len()) bytes from input and copies
+// them into dest. It returns the number of bytes copied and a nil
+// error in this case.
+func (cb *Buffer) Read(dest []byte) (int, error) {
+	return (*codec.Buffer)(cb).Read(dest)
+}
+
+var _ io.Reader = (*Buffer)(nil)
+
+// Write implements the io.Writer interface. It always returns
+// len(data), nil.
+func (cb *Buffer) Write(data []byte) (int, error) {
+	return (*codec.Buffer)(cb).Write(data)
+}
+
+var _ io.Writer = (*Buffer)(nil)
+
+// DecodeVarint reads a varint-encoded integer from the Buffer.
+// This is the format for the
+// int32, int64, uint32, uint64, bool, and enum
+// protocol buffer types.
+func (cb *Buffer) DecodeVarint() (uint64, error) {
+	return (*codec.Buffer)(cb).DecodeVarint()
+}
+
+// DecodeTagAndWireType decodes a field tag and wire type from input.
+// This reads a varint and then extracts the two fields from the varint
+// value read.
+func (cb *Buffer) DecodeTagAndWireType() (tag int32, wireType int8, err error) {
+	return (*codec.Buffer)(cb).DecodeTagAndWireType()
+}
+
+// DecodeFixed64 reads a 64-bit integer from the Buffer.
+// This is the format for the
+// fixed64, sfixed64, and double protocol buffer types.
+func (cb *Buffer) DecodeFixed64() (x uint64, err error) {
+	return (*codec.Buffer)(cb).DecodeFixed64()
+}
+
+// DecodeFixed32 reads a 32-bit integer from the Buffer.
+// This is the format for the
+// fixed32, sfixed32, and float protocol buffer types.
+func (cb *Buffer) DecodeFixed32() (x uint64, err error) {
+	return (*codec.Buffer)(cb).DecodeFixed32()
+}
+
+// DecodeRawBytes reads a count-delimited byte buffer from the Buffer.
+// This is the format used for the bytes protocol buffer
+// type and for embedded messages.
+func (cb *Buffer) DecodeRawBytes(alloc bool) (buf []byte, err error) {
+	return (*codec.Buffer)(cb).DecodeRawBytes(alloc)
+}
+
+// ReadGroup reads the input until a "group end" tag is found
+// and returns the data up to that point. Subsequent reads from
+// the buffer will read data after the group end tag. If alloc
+// is true, the data is copied to a new slice before being returned.
+// Otherwise, the returned slice is a view into the buffer's
+// underlying byte slice.
+//
+// This function correctly handles nested groups: if a "group start"
+// tag is found, then that group's end tag will be included in the
+// returned data.
+func (cb *Buffer) ReadGroup(alloc bool) ([]byte, error) {
+	return (*codec.Buffer)(cb).ReadGroup(alloc)
+}
+
+// SkipGroup is like ReadGroup, except that it discards the
+// data and just advances the buffer to point to the input
+// right *after* the "group end" tag.
+func (cb *Buffer) SkipGroup() error {
+	return (*codec.Buffer)(cb).SkipGroup()
+}
+
+// SkipField attempts to skip the value of a field with the given wire
+// type. When consuming a protobuf-encoded stream, it can be called immediately
+// after DecodeTagAndWireType to discard the subsequent data for the field.
+func (cb *Buffer) SkipField(wireType int8) error {
+	return (*codec.Buffer)(cb).SkipField(wireType)
+}
+
+// EncodeVarint writes a varint-encoded integer to the Buffer.
+// This is the format for the
+// int32, int64, uint32, uint64, bool, and enum
+// protocol buffer types.
+func (cb *Buffer) EncodeVarint(x uint64) error {
+	return (*codec.Buffer)(cb).EncodeVarint(x)
+}
+
+// EncodeTagAndWireType encodes the given field tag and wire type to the
+// buffer. This combines the two values and then writes them as a varint.
+func (cb *Buffer) EncodeTagAndWireType(tag int32, wireType int8) error {
+	return (*codec.Buffer)(cb).EncodeTagAndWireType(tag, wireType)
+}
+
+// EncodeFixed64 writes a 64-bit integer to the Buffer.
+// This is the format for the
+// fixed64, sfixed64, and double protocol buffer types.
+func (cb *Buffer) EncodeFixed64(x uint64) error {
+	return (*codec.Buffer)(cb).EncodeFixed64(x)
+
+}
+
+// EncodeFixed32 writes a 32-bit integer to the Buffer.
+// This is the format for the
+// fixed32, sfixed32, and float protocol buffer types.
+func (cb *Buffer) EncodeFixed32(x uint64) error {
+	return (*codec.Buffer)(cb).EncodeFixed32(x)
+}
+
+// EncodeRawBytes writes a count-delimited byte buffer to the Buffer.
+// This is the format used for the bytes protocol buffer
+// type and for embedded messages.
+func (cb *Buffer) EncodeRawBytes(b []byte) error {
+	return (*codec.Buffer)(cb).EncodeRawBytes(b)
+}
+
+// EncodeMessage writes the given message to the buffer.
+func (cb *Buffer) EncodeMessage(pm proto.Message) error {
+	return (*codec.Buffer)(cb).EncodeMessage(pm)
+}
+
+// EncodeDelimitedMessage writes the given message to the buffer with a
+// varint-encoded length prefix (the delimiter).
+func (cb *Buffer) EncodeDelimitedMessage(pm proto.Message) error {
+	return (*codec.Buffer)(cb).EncodeDelimitedMessage(pm)
+}