private com.google.protobuf.MapFieldBuilder<
            java.lang.String,
            com.google.cloud.speech.v2.ModelMetadataOrBuilder,
            com.google.cloud.speech.v2.ModelMetadata,
            com.google.cloud.speech.v2.ModelMetadata.Builder>
        internalGetModels() {
      if (models_ == null) {
        return new com.google.protobuf.MapFieldBuilder<>(modelsConverter);
      }
      return models_;
    }
<pre>
The metadata about locales available in a given region. Currently this is
just the models that are available for each locale
</pre>

Protobuf type {@code google.cloud.speech.v2.LanguageMetadata}
java-speech/proto-google-cloud-speech-v2/src/main/java/com/google/cloud/speech/v2/LanguageMetadata.java