public Builder setGrantCoins(
          JSystemPiqi.grant_coins_request.Builder builderForValue) {
        if (grantCoinsBuilder_ == null) {
          grantCoins_ = builderForValue.build();
          onChanged();
        } else {
          grantCoinsBuilder_.setMessage(builderForValue.build());
        }
        bitField0_ |= 0x00000002;
        return this;
      }