private boolean isMethodFromProtobufBuilder(ExecutableElement method) {
        TypeElement cls = (TypeElement) method.getEnclosingElement();
        return cls.getSuperclass().toString().startsWith(PROTOBUF_BUILDER);
    }
refer <a href="https://github.com/entur/mapstruct-spi-protobuf">mapstruct-spi-protobuf</a>
@author Arne Seime
commons-mapstruct-spi/src/main/java/com/navercorp/pinpoint/mapstruct/spi/ProtobufAccessorNamingStrategy.java