1. DomName('MediaKeySystemAccess.getConfiguration')
  2. DocsEditable()
  3. Experimental()
dynamic getConfiguration()

Source 

@DomName('MediaKeySystemAccess.getConfiguration')
@DocsEditable()
@Experimental() // untriaged
 getConfiguration() => convertNativeDictionaryToDartDictionary((_blink.BlinkMediaKeySystemAccess.instance.getConfiguration_Callback_0_(this)));