export declare const FOCUSABLE_SELECTOR: string;
export declare const TOUR_TRIGGER_SELECTOR: string;
export declare function focusableElements(root: HTMLElement): HTMLElement[];
export declare function focusableElementsOwnedBy(root: HTMLElement): HTMLElement[];
export declare function focusableTourControls(root: HTMLElement): HTMLElement[];
export declare function isFocusable(element: HTMLElement): boolean;