import { Position } from '../types';
/**
 * Calculates the box and arrow position.
 */
export declare const calculatePosition: (triggerEl: HTMLElement, boxEl: HTMLDivElement | null, headerEl: HTMLHeadingElement | null, arrowEl: SVGSVGElement, position: Position, space: number) => void;
/**
 * Generates CSS transition classes.
 */
export declare const generateCSSTransitionClasses: (key: string, duration: number) => string;