import React from 'react';
export declare const handleKeyDown: (event: React.KeyboardEvent, focusedOption: Element | undefined, setFocusedOption?: React.Dispatch<React.SetStateAction<HTMLElement | undefined>> | undefined, setOpenPopover?: React.Dispatch<React.SetStateAction<boolean | undefined>> | undefined, menuTriggerRef?: React.RefObject<HTMLButtonElement> | undefined, listRef?: React.RefObject<HTMLDivElement> | undefined, subListRef?: React.RefObject<HTMLDivElement> | null | undefined, isSubMenuTrigger?: boolean | undefined, triggerRef?: React.RefObject<HTMLDivElement> | React.MutableRefObject<HTMLDivElement> | undefined, menuID?: string | undefined, triggerID?: string | undefined, parentListRef?: React.RefObject<HTMLDivElement> | null | undefined) => void;