/**
 * Method to add a class name to an HTML or SVG element.
 * @param element - HTML or SVG element to add a class to.
 * @param className - The class name to be added.
 */
export declare const addClass: (element: HTMLElement | SVGElement, className: string) => void;
/**
 * Create HTML from a template string
 * @param template - HTML template string
 * @return Root DOM element
 */
export declare const createHtmlByTemplate: (template: string) => Node | null;
/**
 * Check if an HTML or SVG element has a certain class
 * @param element - HTML or SVG element to be checked
 * @param className - Class name to be checked for
 * @return If `true` `element` has the class name
 */
export declare const hasClass: (element: HTMLElement | SVGElement, className: string) => boolean;
/**
 * Test whether a DOM element is the parent of another DOM element.
 *
 * @param element - Potential child element.
 * @param parent - Target parent element which is tested to have `el`
 *   as a child.
 * @return If `true` `parent` is a parent of `element`.
 */
export declare const isParentOf: (element: HTMLElement, parent: HTMLElement) => boolean;
/**
 * Remove all children of a DOM node
 * @param node - DOM node whose children are to be removed
 */
export declare const removeAllChildren: (node: Node) => void;
/**
 * Remove last child of a DOM node
 * @param node - DOM node whose last child is to be removed
 */
export declare const removeLastChild: (node: Node) => void;
/**
 * Remove a class from an HTML or SVG element.
 * @param element - HTML or SVG element.
 * @param className - Class name to be removed.
 */
export declare const removeClass: (element: HTMLElement | SVGElement, className: string) => void;