import { FocusEventHandler } from 'react';
/**
 * Tracks focus state and determines whether focus indicators
 * should be visibly rendered.
 *
 * Automatically merges external focus handlers.
 *
 * @function useFocusVisible
 * @param onFocus External onFocus handler
 * @param onBlur External onBlur handler
 * @returns Object containing focus flags and merged handlers
 *
 * @category Hooks
 */
export declare function useFocusVisible(onFocus?: FocusEventHandler<HTMLElement>, onBlur?: FocusEventHandler<HTMLElement>): {
    focusVisible: boolean;
    isFocused: boolean;
    focusHandlers: {
        onFocus: FocusEventHandler<HTMLElement>;
        onBlur: FocusEventHandler<HTMLElement>;
    };
};