import * as React from 'react'; export declare function teardown(doc: Document): void; export interface UseIsFocusVisibleResult { isFocusVisibleRef: React.MutableRefObject; onBlur: (event: React.FocusEvent) => void; onFocus: (event: React.FocusEvent) => void; ref: React.RefCallback; } export default function useIsFocusVisible(): UseIsFocusVisibleResult;