import { MutableRefObject } from 'react';
export declare const getPositionHelpers: (containerRef: MutableRefObject<HTMLElement | undefined>, menuRef: MutableRefObject<HTMLElement>, menuScroll: Window | Element, boundingBoxPadding: string | undefined) => {
    menuRect: DOMRect;
    containerRect: DOMRect;
    getLeftOverflow: (x: number) => number;
    getRightOverflow: (x: number) => number;
    getTopOverflow: (y: number) => number;
    getBottomOverflow: (y: number) => number;
    confineHorizontally: (x: number) => number;
    confineVertically: (y: number) => number;
};