export declare const FOCUSABLE_SELECTOR = "a,frame,iframe,input:not([type=hidden]),select,textarea,button,*[tabindex]";
export declare function findFirstFocusableNode(element: HTMLElement, onlyDescendants?: boolean): HTMLElement | null;
export declare function focusFirstFocusableNode(element: HTMLElement, onlyDescendants?: boolean): void;
export declare function findLastFocusableNode(element: HTMLElement, onlyDescendants?: boolean): HTMLElement | null;
export declare function focusLastFocusableNode(element: HTMLElement, onlyDescendants?: boolean): void;