private com.google.protobuf.SingleFieldBuilder<
          JInPiqi.init, JInPiqi.init.Builder, JInPiqi.initOrBuilder> 
          getInitFieldBuilder() {
        if (initBuilder_ == null) {
          initBuilder_ = new com.google.protobuf.SingleFieldBuilder<
              JInPiqi.init, JInPiqi.init.Builder, JInPiqi.initOrBuilder>(
                  init_,
                  getParentForChildren(),
                  isClean());
          init_ = null;
        }
        return initBuilder_;
      }