/**
 * Returns a string of all the CSS class names assigned to an element, including SVG elements.
 *
 * @param el - The element to retrieve the class names from
 * @returns A string containing class names
 *
 * @example
 *
 * const el = document.querySelector('.example-class')!;
 * const classes = getClass(el);
 * classes // => 'example-class'
 *
 * @since 1.0.0
 */
declare const getClass: (el: HTMLElement | SVGElement | null | undefined) => string;
export default getClass;