@java.lang.Override
    public /* nullable */ com.google.cloud.speech.v2.ModelFeatures getModelFeaturesOrDefault(
        java.lang.String key,
        /* nullable */
        com.google.cloud.speech.v2.ModelFeatures defaultValue) {
      if (key == null) {
        throw new NullPointerException("map key");
      }
      java.util.Map<java.lang.String, com.google.cloud.speech.v2.ModelFeaturesOrBuilder> map =
          internalGetMutableModelFeatures().ensureBuilderMap();
      return map.containsKey(key) ? modelFeaturesConverter.build(map.get(key)) : defaultValue;
    }
<pre>
Map of the model name -&gt; features of that model
</pre>

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