private com.google.protobuf.RepeatedFieldBuilderV3<
            com.google.cloud.videointelligence.v1p1beta1.SpeechContext,
            com.google.cloud.videointelligence.v1p1beta1.SpeechContext.Builder,
            com.google.cloud.videointelligence.v1p1beta1.SpeechContextOrBuilder>
        getSpeechContextsFieldBuilder() {
      if (speechContextsBuilder_ == null) {
        speechContextsBuilder_ =
            new com.google.protobuf.RepeatedFieldBuilderV3<
                com.google.cloud.videointelligence.v1p1beta1.SpeechContext,
                com.google.cloud.videointelligence.v1p1beta1.SpeechContext.Builder,
                com.google.cloud.videointelligence.v1p1beta1.SpeechContextOrBuilder>(
                speechContexts_,
                ((bitField0_ & 0x00000008) != 0),
                getParentForChildren(),
                isClean());
        speechContexts_ = null;
      }
      return speechContextsBuilder_;
    }
<pre>
Optional. A means to provide context to assist the speech recognition.
</pre>

<code>
repeated .google.cloud.videointelligence.v1p1beta1.SpeechContext speech_contexts = 4 [(.google.api.field_behavior) = OPTIONAL];
</code>
java-video-intelligence/proto-google-cloud-video-intelligence-v1p1beta1/src/main/java/com/google/cloud/videointelligence/v1p1beta1/SpeechTranscriptionConfig.java