import { ITourDelegate } from '@thisway/base';
import { Size } from '@thisway/utils';
export declare function getContainer(delegate: ITourDelegate): HTMLElement;
export declare const getViewportSize: (delegate: ITourDelegate) => Size;
export declare function runAll(functions: Array<() => void>): void;
export declare function isEventTargetNode(value: EventTarget | null): value is Node;
export declare function onAbort(abortController: AbortController, callback: () => void): void;