private com.google.protobuf.SingleFieldBuilderV3<
              com.google.cloud.visionai.v1.ControlledMode,
              com.google.cloud.visionai.v1.ControlledMode.Builder,
              com.google.cloud.visionai.v1.ControlledModeOrBuilder>
          getControlledModeFieldBuilder() {
        if (controlledModeBuilder_ == null) {
          controlledModeBuilder_ =
              new com.google.protobuf.SingleFieldBuilderV3<
                  com.google.cloud.visionai.v1.ControlledMode,
                  com.google.cloud.visionai.v1.ControlledMode.Builder,
                  com.google.cloud.visionai.v1.ControlledModeOrBuilder>(
                  getControlledMode(), getParentForChildren(), isClean());
          controlledMode_ = null;
        }
        return controlledModeBuilder_;
      }
<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