public Builder clearLanguages() {
      bitField0_ = (bitField0_ & ~0x00000001);
      languages_ = null;
      if (languagesBuilder_ != null) {
        languagesBuilder_.dispose();
        languagesBuilder_ = null;
      }
      onChanged();
      return this;
    }
<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