public Builder mergeScenarioExecutionEndingRequest(main.Messages.ScenarioExecutionEndingRequest value) {
        if (scenarioExecutionEndingRequestBuilder_ == null) {
          if (((bitField0_ & 0x00000040) == 0x00000040) &&
              scenarioExecutionEndingRequest_ != main.Messages.ScenarioExecutionEndingRequest.getDefaultInstance()) {
            scenarioExecutionEndingRequest_ =
              main.Messages.ScenarioExecutionEndingRequest.newBuilder(scenarioExecutionEndingRequest_).mergeFrom(value).buildPartial();
          } else {
            scenarioExecutionEndingRequest_ = value;
          }
          onChanged();
        } else {
          scenarioExecutionEndingRequestBuilder_.mergeFrom(value);
        }
        bitField0_ |= 0x00000040;
        return this;
      }