public Builder clearSpeechContexts() {
      if (speechContextsBuilder_ == null) {
        speechContexts_ = java.util.Collections.emptyList();
        bitField0_ = (bitField0_ & ~0x00000008);
        onChanged();
      } else {
        speechContextsBuilder_.clear();
      }
      return this;
    }
<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