import * as React from "react";
export declare function teardown(doc: Document): void;
declare function isFocusVisible(event: React.SyntheticEvent<HTMLElement, Event>): boolean;
/** Should be called if a blur event is fired on a focus-visible element */
declare function handleBlurVisible(): void;
export default function useIsFocusVisible(): {
    isFocusVisible: typeof isFocusVisible;
    onBlurVisible: typeof handleBlurVisible;
    ref: (instance: React.ReactInstance | null | undefined) => void;
};
export {};