import { BoundingClientRect } from './types';
export declare const addTupleToObject: <T>(acc: Record<string, T>, curr: [string, T]) => Record<string, T>;
export declare const getAllElements: (element?: HTMLElement, portalKey?: string) => HTMLElement[];
export declare const getRects: (flippedElements: HTMLElement[]) => [HTMLElement, BoundingClientRect][];