export declare const FOCUSABLE_ELEMENTS = "a[href], area[href], input:not([disabled]), select:not([disabled]), textarea:not([disabled]), button:not([disabled]), iframe, object, embed, *[tabindex], *[contenteditable]";
export declare const returnFocusToActivator: (activator: HTMLElement) => void;
export declare const setFocus: (modalRef: React.RefObject<HTMLDivElement>, { body: BODY_CLASSNAME, footer: FOOTER_CLASSNAME, header: HEADER_CLASSNAME, }: {
    body: string;
    footer: string;
    header: string;
}, firstElementRef?: React.RefObject<HTMLElement>) => void;
export declare const trapFocus: (event: KeyboardEvent, modalRef: React.RefObject<HTMLDivElement>) => void;
export declare const closeOnEscape: (event: KeyboardEvent, close: () => void) => void;