public Builder addAlternatives(
        int index,
        com.google.cloud.videointelligence.v1p1beta1.SpeechRecognitionAlternative.Builder
            builderForValue) {
      if (alternativesBuilder_ == null) {
        ensureAlternativesIsMutable();
        alternatives_.add(index, builderForValue.build());
        onChanged();
      } else {
        alternativesBuilder_.addMessage(index, builderForValue.build());
      }
      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.v1p1beta1.SpeechRecognitionAlternative alternatives = 1;
</code>
java-video-intelligence/proto-google-cloud-video-intelligence-v1p1beta1/src/main/java/com/google/cloud/videointelligence/v1p1beta1/SpeechTranscription.java