private com.google.protobuf.SingleFieldBuilderV3<
            com.google.cloud.videointelligence.v1beta2.VideoContext,
            com.google.cloud.videointelligence.v1beta2.VideoContext.Builder,
            com.google.cloud.videointelligence.v1beta2.VideoContextOrBuilder>
        getVideoContextFieldBuilder() {
      if (videoContextBuilder_ == null) {
        videoContextBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.cloud.videointelligence.v1beta2.VideoContext,
                com.google.cloud.videointelligence.v1beta2.VideoContext.Builder,
                com.google.cloud.videointelligence.v1beta2.VideoContextOrBuilder>(
                getVideoContext(), getParentForChildren(), isClean());
        videoContext_ = null;
      }
      return videoContextBuilder_;
    }
<pre>
Additional video context and/or feature-specific parameters.
</pre>

<code>.google.cloud.videointelligence.v1beta2.VideoContext video_context = 3;</code>
java-video-intelligence/proto-google-cloud-video-intelligence-v1beta2/src/main/java/com/google/cloud/videointelligence/v1beta2/AnnotateVideoRequest.java