1. DomName('Permissions.query')
  2. DocsEditable()
  3. Experimental()
Future query(Object permission)

Source 

@DomName('Permissions.query')
@DocsEditable()
@Experimental() // untriaged
Future query(Object permission) => convertNativePromiseToDartFuture(_blink.BlinkPermissions.instance.query_Callback_1_(this, permission));