@java.lang.Override
    public final Builder mergeUnknownFields(
        final com.google.protobuf.UnknownFieldSet unknownFields) {
      return super.mergeUnknownFields(unknownFields);
    }
<pre>
Map of locale (language code) -&gt; models
</pre>

<code>map&lt;string, .google.cloud.speech.v2.ModelMetadata&gt; models = 1;</code>
java-speech/proto-google-cloud-speech-v2/src/main/java/com/google/cloud/speech/v2/LanguageMetadata.java