@java.lang.Override
      public com.google.cloud.speech.v2.ModelMetadata build(
          com.google.cloud.speech.v2.ModelMetadataOrBuilder val) {
        if (val instanceof com.google.cloud.speech.v2.ModelMetadata) {
          return (com.google.cloud.speech.v2.ModelMetadata) val;
        }
        return ((com.google.cloud.speech.v2.ModelMetadata.Builder) val).build();
      }
<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