private com.google.protobuf.RepeatedFieldBuilderV3<
            com.google.cloud.speech.v2.SpeechRecognitionAlternative,
            com.google.cloud.speech.v2.SpeechRecognitionAlternative.Builder,
            com.google.cloud.speech.v2.SpeechRecognitionAlternativeOrBuilder>
        getAlternativesFieldBuilder() {
      if (alternativesBuilder_ == null) {
        alternativesBuilder_ =
            new com.google.protobuf.RepeatedFieldBuilderV3<
                com.google.cloud.speech.v2.SpeechRecognitionAlternative,
                com.google.cloud.speech.v2.SpeechRecognitionAlternative.Builder,
                com.google.cloud.speech.v2.SpeechRecognitionAlternativeOrBuilder>(
                alternatives_, ((bitField0_ & 0x00000001) != 0), getParentForChildren(), isClean());
        alternatives_ = null;
      }
      return alternativesBuilder_;
    }
<pre>
May contain one or more recognition hypotheses. 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.speech.v2.SpeechRecognitionAlternative alternatives = 1;</code>
java-speech/proto-google-cloud-speech-v2/src/main/java/com/google/cloud/speech/v2/SpeechRecognitionResult.java