@Override
      public void customOutputData(String pluginId, String dataName, byte[] data) {
        final JavacRemoteProto.Message.Response response = JavacProtoUtil.createCustomDataResponse(pluginId, dataName, data);
        context.channel().writeAndFlush(JavacProtoUtil.toMessage(sessionId, response));
      }
@Override
      public void customOutputData(String pluginId, String dataName, byte[] data)