import * as React from 'react';
/**
 * Helper checks for modal window scroll and for scroll-behavior
 * @param {number} top - Where to scroll
 * @param {HTMLElement | undefined} parentWithMaxScrollHeight - Parent element with max scroll height
 *
 * @returns {void}
 */
export declare const scrollToPosition: (top: number, parentWithMaxScrollHeight?: HTMLElement | undefined) => void;
/**
 * Helper sets default tour element styles
 * @param {HTMLElement | null | undefined} element - Tour element
 * @param {string} activeClass - Active class
 *
 * @returns {void}
 */
export declare const removeActiveClass: (element: HTMLElement | null | undefined, activeClass: string) => void;
/**
 * Helper sets tour element styles
 * @param {HTMLElement | null | undefined} element - Tour element
 * @param {string} activeClass - Active class
 *
 * @returns {void}
 */
export declare const setActiveClass: (element: HTMLElement | null | undefined, activeClass: string) => void;
/**
 * Helper creates path of svg overlay element
 * @param {HTMLElement | null} element - Tour element
 * @param {number} borderRadius - Border radius of highlighted space
 * @param {number} padding - Padding of highlighted space
 *
 * @returns {string} Path of svg overlay element
 */
export declare const createOverlaySvgPath: (element: HTMLElement | null, borderRadius: number, padding: number) => string;
/**
 * Helper calculates modal window position
 * @param {string} position - Position of modal window against tour element
 * @param {DOMRect} rect - DOMRect of tour element
 * @param {boolean} isScrolling - Flag defines if document is scrolling
 * @param {number} padding - Padding of highlighted space
 *
 * @returns {React.CSSProperties} Styles of modal window
 */
export declare const getModalPositionStyles: ({ isScrolling, padding, position, rect, }: {
    isScrolling: boolean;
    padding: number;
    position: "left" | "right" | "bottom" | "top" | "top-left" | "bottom-left" | "bottom-center" | "top-center";
    rect: DOMRect;
}) => React.CSSProperties;
/**
 * Helper gets all parent elements of target element
 * @param {HTMLElement} element - Target element
 *
 * @returns {HTMLElement[]} Array of parent elements
 */
export declare const getParentNodes: (element: HTMLElement) => HTMLElement[];
/**
 * Helper gets max scroll height
 * @param {HTMLElement} element - Target element
 *
 * @returns {number} Scroll height
 */
export declare const getScrollHeight: (element: HTMLElement) => number;
/**
 * Helper get parent node with max scroll height
 * @param {HTMLElement} element - Target element
 *
 * @returns {HTMLElement | undefined} Parent node with max scroll height
 */
export declare const getParentWithMaxScrollHeight: (element: HTMLElement) => HTMLElement | undefined;