export declare const FOCUSABLE_SELECTOR = "a,frame,iframe,input:not([type=hidden]):not(:disabled),select:not(:disabled),textarea:not(:disabled),button:not(:disabled),*[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;