public Builder clearAlternatives() {
      if (alternativesBuilder_ == null) {
        alternatives_ = java.util.Collections.emptyList();
        bitField0_ = (bitField0_ & ~0x00000001);
        onChanged();
      } else {
        alternativesBuilder_.clear();
      }
      return this;
    }
<pre>
May contain one or more recognition hypotheses (up to the maximum specified
in `max_alternatives`).  These alternatives are ordered in terms of
accuracy, with the top (first) alternative being the most probable, as
ranked by the recognizer.
</pre>

<code>
repeated .google.cloud.videointelligence.v1p3beta1.SpeechRecognitionAlternative alternatives = 1;
</code>
java-video-intelligence/proto-google-cloud-video-intelligence-v1p3beta1/src/main/java/com/google/cloud/videointelligence/v1p3beta1/SpeechTranscription.java