import { WalkthroughElementCoordinate, WalkthroughMargin } from './walkthrough-tools'; export declare class WalkthroughService { private _overflowRegex; retrieveCoordinates(element: HTMLElement, margin?: WalkthroughMargin): WalkthroughElementCoordinate; getTop(): number; getDocumentHeight(): number; scrollIntoViewIfOutOfView(element: HTMLElement): void; getScrollParent(element: HTMLElement): HTMLElement; getHeightOfPage(): number; }