@java.lang.Override
  public com.google.cloud.speech.v2.LanguageMetadataOrBuilder getLanguagesOrBuilder() {
    return languages_ == null
        ? com.google.cloud.speech.v2.LanguageMetadata.getDefaultInstance()
        : languages_;
  }
<pre>
Information about available locales, models, and features represented in
the hierarchical structure of locales -&gt; models -&gt; features
</pre>

<code>.google.cloud.speech.v2.LanguageMetadata languages = 1;</code>
java-speech/proto-google-cloud-speech-v2/src/main/java/com/google/cloud/speech/v2/LocationsMetadata.java