export declare type Listener = (this: HTMLElement, ev: TransitionEvent) => any; export declare const TRANSITION_SUPPORTED: boolean; export declare function parseDuration(node: HTMLElement): number; export declare function emulateTransitionEnd(element: HTMLElement, duration: number, padding?: number): () => void; declare function transitionEnd(element: HTMLElement, handler: Listener, duration?: number): () => void; export default transitionEnd;