import { RefObject } from 'react';
/**
 * @private
 * @internal Don't even try to use it
 */
export declare function usePortalContext(): {
    root: RefObject<HTMLElement | null> | null;
};
/**
 * @private
 * @internal Don't even try to use it
 */
export declare const PortalProvider: import("react").Provider<RefObject<HTMLElement | null> | null>;