import { Callback, ViewTransition } from './polyfill-utils';
export declare function startViewTransitionPolyfill(callback: Callback | undefined): ViewTransition;
export declare function mapStartViewTransition(): void;
declare global {
    interface Document {
        startViewTransition: ((callback?: () => void) => ViewTransition) | undefined;
    }
}
export declare function mapPolyfillViewTransitionAnimate(): void;
export declare function mapToGetAnimations(): void;
export declare function mapViewTransitionName(): void;
