private com.google.protobuf.SingleFieldBuilderV3<
            com.google.cloud.videointelligence.v1.LabelDetectionConfig,
            com.google.cloud.videointelligence.v1.LabelDetectionConfig.Builder,
            com.google.cloud.videointelligence.v1.LabelDetectionConfigOrBuilder>
        getLabelDetectionConfigFieldBuilder() {
      if (labelDetectionConfigBuilder_ == null) {
        labelDetectionConfigBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.cloud.videointelligence.v1.LabelDetectionConfig,
                com.google.cloud.videointelligence.v1.LabelDetectionConfig.Builder,
                com.google.cloud.videointelligence.v1.LabelDetectionConfigOrBuilder>(
                getLabelDetectionConfig(), getParentForChildren(), isClean());
        labelDetectionConfig_ = null;
      }
      return labelDetectionConfigBuilder_;
    }
<pre>
Config for LABEL_DETECTION.
</pre>

<code>.google.cloud.videointelligence.v1.LabelDetectionConfig label_detection_config = 2;
</code>
java-video-intelligence/proto-google-cloud-video-intelligence-v1/src/main/java/com/google/cloud/videointelligence/v1/VideoContext.java