private void maybeForceBuilderInitialization() {
      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
        getVideoContextFieldBuilder();
      }
    }
<pre>
Video annotation request.
</pre>

Protobuf type {@code google.cloud.videointelligence.v1p2beta1.AnnotateVideoRequest}
java-video-intelligence/proto-google-cloud-video-intelligence-v1p2beta1/src/main/java/com/google/cloud/videointelligence/v1p2beta1/AnnotateVideoRequest.java