diff --git a/vendor/github.com/jhump/protoreflect/dynamic/message_factory.go b/vendor/github.com/jhump/protoreflect/dynamic/message_factory.go
new file mode 100644
index 0000000..9ab8e61
--- /dev/null
+++ b/vendor/github.com/jhump/protoreflect/dynamic/message_factory.go
@@ -0,0 +1,201 @@
+package dynamic
+
+import (
+	"reflect"
+	"sync"
+
+	"github.com/golang/protobuf/proto"
+
+	"github.com/jhump/protoreflect/desc"
+)
+
+// MessageFactory can be used to create new empty message objects. A default instance
+// (without extension registry or known-type registry specified) will always return
+// dynamic messages (e.g. type will be *dynamic.Message) except for "well-known" types.
+// The well-known types include primitive wrapper types and a handful of other special
+// types defined in standard protobuf definitions, like Any, Duration, and Timestamp.
+type MessageFactory struct {
+	er  *ExtensionRegistry
+	ktr *KnownTypeRegistry
+}
+
+// NewMessageFactoryWithExtensionRegistry creates a new message factory where any
+// dynamic messages produced will use the given extension registry to recognize and
+// parse extension fields.
+func NewMessageFactoryWithExtensionRegistry(er *ExtensionRegistry) *MessageFactory {
+	return NewMessageFactoryWithRegistries(er, nil)
+}
+
+// NewMessageFactoryWithKnownTypeRegistry creates a new message factory where the
+// known types, per the given registry, will be returned as normal protobuf messages
+// (e.g. generated structs, instead of dynamic messages).
+func NewMessageFactoryWithKnownTypeRegistry(ktr *KnownTypeRegistry) *MessageFactory {
+	return NewMessageFactoryWithRegistries(nil, ktr)
+}
+
+// NewMessageFactoryWithDefaults creates a new message factory where all "default" types
+// (those for which protoc-generated code is statically linked into the Go program) are
+// known types. If any dynamic messages are produced, they will recognize and parse all
+// "default" extension fields. This is the equivalent of:
+//   NewMessageFactoryWithRegistries(
+//       NewExtensionRegistryWithDefaults(),
+//       NewKnownTypeRegistryWithDefaults())
+func NewMessageFactoryWithDefaults() *MessageFactory {
+	return NewMessageFactoryWithRegistries(NewExtensionRegistryWithDefaults(), NewKnownTypeRegistryWithDefaults())
+}
+
+// NewMessageFactoryWithRegistries creates a new message factory with the given extension
+// and known type registries.
+func NewMessageFactoryWithRegistries(er *ExtensionRegistry, ktr *KnownTypeRegistry) *MessageFactory {
+	return &MessageFactory{
+		er:  er,
+		ktr: ktr,
+	}
+}
+
+// NewMessage creates a new empty message that corresponds to the given descriptor.
+// If the given descriptor describes a "known type" then that type is instantiated.
+// Otherwise, an empty dynamic message is returned.
+func (f *MessageFactory) NewMessage(md *desc.MessageDescriptor) proto.Message {
+	var ktr *KnownTypeRegistry
+	if f != nil {
+		ktr = f.ktr
+	}
+	if m := ktr.CreateIfKnown(md.GetFullyQualifiedName()); m != nil {
+		return m
+	}
+	return NewMessageWithMessageFactory(md, f)
+}
+
+// NewDynamicMessage creates a new empty dynamic message that corresponds to the given
+// descriptor. This is like f.NewMessage(md) except the known type registry is not
+// consulted so the return value is always a dynamic message.
+//
+// This is also like dynamic.NewMessage(md) except that the returned message will use
+// this factory when creating other messages, like during de-serialization of fields
+// that are themselves message types.
+func (f *MessageFactory) NewDynamicMessage(md *desc.MessageDescriptor) *Message {
+	return NewMessageWithMessageFactory(md, f)
+}
+
+// GetKnownTypeRegistry returns the known type registry that this factory uses to
+// instantiate known (e.g. generated) message types.
+func (f *MessageFactory) GetKnownTypeRegistry() *KnownTypeRegistry {
+	if f == nil {
+		return nil
+	}
+	return f.ktr
+}
+
+// GetExtensionRegistry returns the extension registry that this factory uses to
+// create dynamic messages. The registry is used by dynamic messages to recognize
+// and parse extension fields during de-serialization.
+func (f *MessageFactory) GetExtensionRegistry() *ExtensionRegistry {
+	if f == nil {
+		return nil
+	}
+	return f.er
+}
+
+type wkt interface {
+	XXX_WellKnownType() string
+}
+
+var typeOfWkt = reflect.TypeOf((*wkt)(nil)).Elem()
+
+// KnownTypeRegistry is a registry of known message types, as identified by their
+// fully-qualified name. A known message type is one for which a protoc-generated
+// struct exists, so a dynamic message is not necessary to represent it. A
+// MessageFactory uses a KnownTypeRegistry to decide whether to create a generated
+// struct or a dynamic message. The zero-value registry (including the behavior of
+// a nil pointer) only knows about the "well-known types" in protobuf. These
+// include only the wrapper types and a handful of other special types like Any,
+// Duration, and Timestamp.
+type KnownTypeRegistry struct {
+	excludeWkt     bool
+	includeDefault bool
+	mu             sync.RWMutex
+	types          map[string]reflect.Type
+}
+
+// NewKnownTypeRegistryWithDefaults creates a new registry that knows about all
+// "default" types (those for which protoc-generated code is statically linked
+// into the Go program).
+func NewKnownTypeRegistryWithDefaults() *KnownTypeRegistry {
+	return &KnownTypeRegistry{includeDefault: true}
+}
+
+// NewKnownTypeRegistryWithoutWellKnownTypes creates a new registry that does *not*
+// include the "well-known types" in protobuf. So even well-known types would be
+// represented by a dynamic message.
+func NewKnownTypeRegistryWithoutWellKnownTypes() *KnownTypeRegistry {
+	return &KnownTypeRegistry{excludeWkt: true}
+}
+
+// AddKnownType adds the types of the given messages as known types.
+func (r *KnownTypeRegistry) AddKnownType(kts ...proto.Message) {
+	r.mu.Lock()
+	defer r.mu.Unlock()
+	if r.types == nil {
+		r.types = map[string]reflect.Type{}
+	}
+	for _, kt := range kts {
+		r.types[proto.MessageName(kt)] = reflect.TypeOf(kt)
+	}
+}
+
+// CreateIfKnown will construct an instance of the given message if it is a known type.
+// If the given name is unknown, nil is returned.
+func (r *KnownTypeRegistry) CreateIfKnown(messageName string) proto.Message {
+	msgType := r.GetKnownType(messageName)
+	if msgType == nil {
+		return nil
+	}
+
+	if msgType.Kind() == reflect.Ptr {
+		return reflect.New(msgType.Elem()).Interface().(proto.Message)
+	} else {
+		return reflect.New(msgType).Elem().Interface().(proto.Message)
+	}
+}
+
+func isWellKnownType(t reflect.Type) bool {
+	if t.Implements(typeOfWkt) {
+		return true
+	}
+	if msg, ok := reflect.Zero(t).Interface().(proto.Message); ok {
+		name := proto.MessageName(msg)
+		_, ok := wellKnownTypeNames[name]
+		return ok
+	}
+	return false
+}
+
+// GetKnownType will return the reflect.Type for the given message name if it is
+// known. If it is not known, nil is returned.
+func (r *KnownTypeRegistry) GetKnownType(messageName string) reflect.Type {
+	var msgType reflect.Type
+	if r == nil {
+		// a nil registry behaves the same as zero value instance: only know of well-known types
+		t := proto.MessageType(messageName)
+		if t != nil && isWellKnownType(t) {
+			msgType = t
+		}
+	} else {
+		if r.includeDefault {
+			msgType = proto.MessageType(messageName)
+		} else if !r.excludeWkt {
+			t := proto.MessageType(messageName)
+			if t != nil && isWellKnownType(t) {
+				msgType = t
+			}
+		}
+		if msgType == nil {
+			r.mu.RLock()
+			msgType = r.types[messageName]
+			r.mu.RUnlock()
+		}
+	}
+
+	return msgType
+}