export declare function isFocused(element: HTMLElement | null): boolean;
export declare const FOCUSABLE_SELECTOR = "\n  a[href],\n  area[href],\n  input:not([type=\"hidden\"]):not([disabled]):not([tabindex=\"-1\"]),\n  select:not([disabled]),\n  textarea:not([disabled]),\n  button:not([disabled]):not([tabindex=\"-1\"]),\n  iframe,\n  object,\n  embed,\n  [tabindex=\"0\"],\n  [contenteditable],\n  audio[controls],\n  video[controls]";
export declare function findFirstFocusableNode(element: HTMLElement, onlyDescendants?: boolean): HTMLElement | null;
export declare function findLastFocusableNode(element: HTMLElement, onlyDescendants?: boolean): HTMLElement | null;
export declare function findNextFocusableNode(node: HTMLElement): HTMLElement | null;