Stream of transitionend
events handled by this Element.
Source
@DomName('Element.ontransitionend') @DocsEditable() @SupportedBrowser(SupportedBrowser.CHROME) @SupportedBrowser(SupportedBrowser.FIREFOX) @SupportedBrowser(SupportedBrowser.IE, '10') @SupportedBrowser(SupportedBrowser.SAFARI) ElementStream<TransitionEvent> get onTransitionEnd;