code: public java.util.Map<java.lang.String, java.lang.String> getBetaSettingsMap() {
      return internalGetBetaSettings().getMap();
    }
docs: <pre>
  Metadata settings that are supplied to this version to enable
  beta runtime features.
  </pre>
  
  <code>map&lt;string, string&gt; beta_settings = 13;</code>