private com.google.protobuf.MapFieldBuilder<
            java.lang.String,
            com.google.cloud.speech.v2.ModelFeaturesOrBuilder,
            com.google.cloud.speech.v2.ModelFeatures,
            com.google.cloud.speech.v2.ModelFeatures.Builder>
        internalGetModelFeatures() {
      if (modelFeatures_ == null) {
        return new com.google.protobuf.MapFieldBuilder<>(modelFeaturesConverter);
      }
      return modelFeatures_;
    }
<pre>
The metadata about the models in a given region for a specific locale.
Currently this is just the features of the model
</pre>

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