public Builder mergeControlledMode(com.google.cloud.visionai.v1.ControlledMode value) {
        if (controlledModeBuilder_ == null) {
          if (((bitField0_ & 0x00000008) != 0)
              && controlledMode_ != null
              && controlledMode_
                  != com.google.cloud.visionai.v1.ControlledMode.getDefaultInstance()) {
            getControlledModeBuilder().mergeFrom(value);
          } else {
            controlledMode_ = value;
          }
        } else {
          controlledModeBuilder_.mergeFrom(value);
        }
        if (controlledMode_ != null) {
          bitField0_ |= 0x00000008;
          onChanged();
        }
        return this;
      }
<pre>
Controller mode configuration for receiving events from the server.
</pre>

<code>.google.cloud.visionai.v1.ControlledMode controlled_mode = 4;</code>
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/ReceiveEventsRequest.java