@java.lang.Override
  public int hashCode() {
    if (memoizedHashCode != 0) {
      return memoizedHashCode;
    }
    int hash = 41;
    hash = (19 * hash) + getDescriptor().hashCode();
    if (!internalGetModels().getMap().isEmpty()) {
      hash = (37 * hash) + MODELS_FIELD_NUMBER;
      hash = (53 * hash) + internalGetModels().hashCode();
    }
    hash = (29 * hash) + getUnknownFields().hashCode();
    memoizedHashCode = hash;
    return hash;
  }
<pre>
Map of locale (language code) -&gt; models
</pre>

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