extensionsSerializedSize  737 third_party/protobuf/java/src/main/java/com/google/protobuf/GeneratedMessage.java     protected int extensionsSerializedSize() {
extensionsSerializedSize  295 third_party/protobuf/java/src/main/java/com/google/protobuf/GeneratedMessageLite.java     protected int extensionsSerializedSize() {