public Builder putModelFeatures(
        java.lang.String key, com.google.cloud.speech.v2.ModelFeatures value) {
      if (key == null) {
        throw new NullPointerException("map key");
      }
      if (value == null) {
        throw new NullPointerException("map value");
      }
      internalGetMutableModelFeatures().ensureBuilderMap().put(key, value);
      bitField0_ |= 0x00000001;
      return this;
    }
<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