import type { Point2d } from '../math/mod.ts';
export interface PositioningOptions {
    /** How target (floating) element will be positioned. */
    strategy?: 'absolute' | 'fixed';
}
/**
 * Returns position of top left corner of the parent positioned element relative to viewport origin.
 * @param element Target element.
 * @param options Options.
 * @returns Offset.
 */
export declare function getPositionedParentOffset(element: HTMLElement, { strategy }?: PositioningOptions): Point2d;