import * as React from 'react';
type InitialFocus = number | React.RefObject<HTMLElement>;
interface UseInitialFocusParams {
    open: boolean | undefined;
    initialFocus: InitialFocus | undefined;
    floatingRef: React.RefObject<HTMLElement | null>;
}
export declare function useInitialFocus({ open, initialFocus, floatingRef }: UseInitialFocusParams): void;
export {};