1. @DomName('Event.stopImmediatePropagation')
  2. @DocsEditable()
void stopImmediatePropagation()

Source 

@DomName('Event.stopImmediatePropagation')
@DocsEditable()
void stopImmediatePropagation() =>
    _blink.BlinkEvent.instance.stopImmediatePropagation_Callback_0_(this);