github.com/googleapis/gnostic v0.4.1

vendor/github.com/golang/protobuf/jsonpb/jsonpb.go

@@ -165,6 +165,11 @@ type wkt interface {
 	XXX_WellKnownType() string
 }
 
+var (
+	wktType     = reflect.TypeOf((*wkt)(nil)).Elem()
+	messageType = reflect.TypeOf((*proto.Message)(nil)).Elem()
+)
+
 // marshalObject writes a struct to the Writer.
 func (m *Marshaler) marshalObject(out *errWriter, v proto.Message, indent, typeURL string) error {
 	if jsm, ok := v.(JSONPBMarshaler); ok {
@@ -531,7 +536,8 @@ func (m *Marshaler) marshalValue(out *errWriter, prop *proto.Properties, v refle
 
 	// Handle well-known types.
 	// Most are handled up in marshalObject (because 99% are messages).
-	if wkt, ok := v.Interface().(wkt); ok {
+	if v.Type().Implements(wktType) {
+		wkt := v.Interface().(wkt)
 		switch wkt.XXX_WellKnownType() {
 		case "NullValue":
 			out.write("null")
@@ -1277,8 +1283,8 @@ func checkRequiredFields(pb proto.Message) error {
 }
 
 func checkRequiredFieldsInValue(v reflect.Value) error {
-	if pm, ok := v.Interface().(proto.Message); ok {
-		return checkRequiredFields(pm)
+	if v.Type().Implements(messageType) {
+		return checkRequiredFields(v.Interface().(proto.Message))
 	}
 	return nil
 }

vendor/github.com/golang/protobuf/proto/lib.go

@@ -393,7 +393,7 @@ func (p *Buffer) Bytes() []byte { return p.buf }
 // than relying on this API.
 //
 // If deterministic serialization is requested, map entries will be sorted
-// by keys in lexographical order. This is an implementation detail and
+// by keys in lexicographical order. This is an implementation detail and
 // subject to change.
 func (p *Buffer) SetDeterministic(deterministic bool) {
 	p.deterministic = deterministic

vendor/github.com/golang/protobuf/proto/text.go

@@ -456,6 +456,8 @@ func (tm *TextMarshaler) writeStruct(w *textWriter, sv reflect.Value) error {
 	return nil
 }
 
+var textMarshalerType = reflect.TypeOf((*encoding.TextMarshaler)(nil)).Elem()
+
 // writeAny writes an arbitrary field.
 func (tm *TextMarshaler) writeAny(w *textWriter, v reflect.Value, props *Properties) error {
 	v = reflect.Indirect(v)
@@ -519,8 +521,8 @@ func (tm *TextMarshaler) writeAny(w *textWriter, v reflect.Value, props *Propert
 			// mutating this value.
 			v = v.Addr()
 		}
-		if etm, ok := v.Interface().(encoding.TextMarshaler); ok {
-			text, err := etm.MarshalText()
+		if v.Type().Implements(textMarshalerType) {
+			text, err := v.Interface().(encoding.TextMarshaler).MarshalText()
 			if err != nil {
 				return err
 			}

vendor/github.com/golang/protobuf/protoc-gen-go/generator/generator.go

@@ -2062,7 +2062,7 @@ func (g *Generator) generateInternalStructFields(mc *msgCtx, topLevelFields []to
 
 }
 
-// generateOneofFuncs adds all the utility functions for oneof, including marshalling, unmarshalling and sizer.
+// generateOneofFuncs adds all the utility functions for oneof, including marshaling, unmarshaling and sizer.
 func (g *Generator) generateOneofFuncs(mc *msgCtx, topLevelFields []topLevelField) {
 	ofields := []*oneofField{}
 	for _, f := range topLevelFields {

vendor/github.com/golang/protobuf/protoc-gen-go/generator/internal/remap/remap.go

@@ -47,7 +47,7 @@ type Location struct {
 }
 
 // A Map represents a mapping between token locations in an input source text
-// and locations in the correspnding output text.
+// and locations in the corresponding output text.
 type Map map[Location]Location
 
 // Find reports whether the specified span is recorded by m, and if so returns