ProtocolMessageEnum 1269 third_party/protobuf/java/src/main/java/com/google/protobuf/GeneratedMessage.java if (ProtocolMessageEnum.class.isAssignableFrom(singularType)) { ProtocolMessageEnum 501 third_party/protobuf/java/src/test/java/com/google/protobuf/GeneratedMessageTest.java instanceof ProtocolMessageEnum); ProtocolMessageEnum 250 third_party/protobuf/java/src/test/java/com/google/protobuf/ServiceTest.java !ProtocolMessageEnum.class.isAssignableFrom(innerClass)) {