Source
@DomName('ExtendableMessageEvent.origin') @DocsEditable() @Experimental() // untriaged String get origin => _blink.BlinkExtendableMessageEvent.instance.origin_Getter_(this);
@DomName('ExtendableMessageEvent.origin') @DocsEditable() @Experimental() // untriaged String get origin => _blink.BlinkExtendableMessageEvent.instance.origin_Getter_(this);