export interface FocusOptions {
    /** Focus last possible item (instead of 1st) */
    isFocusLast?: boolean;
}
interface FocusFirstFunc {
    (element: HTMLElement | Pick<HTMLElement, "focus">, options?: FocusOptions): boolean;
    /** QuerySelector for all possible-focusable elements */
    $selector: string;
}
/** Set focus on element or first possible nested element
 * @param element
 * @return {Boolean} true if focus is called */
declare const focusFirst: FocusFirstFunc;
export default focusFirst;