code: public org.tensorflow.framework.RunOptions.TraceLevel getTraceLevel() {
      org.tensorflow.framework.RunOptions.TraceLevel result = org.tensorflow.framework.RunOptions.TraceLevel.valueOf(traceLevel_);
      return result == null ? org.tensorflow.framework.RunOptions.TraceLevel.UNRECOGNIZED : result;
    }
docs: <code>optional .tensorflow.RunOptions.TraceLevel trace_level = 1;</code>