public java.lang.String getGoPackage() {
        java.lang.Object ref = goPackage_;
        if (!(ref instanceof java.lang.String)) {
          java.lang.String s = ((com.google.protobuf.ByteString) ref)
              .toStringUtf8();
          goPackage_ = s;
          return s;
        } else {
          return (java.lang.String) ref;
        }
      }