import type { RefObject } from 'react'; export declare function useIntersectionObserver(options: { observerStartAnchorRef: RefObject; observerEndAnchorRef: RefObject; observerMonthRef: RefObject; handleIncrease: () => void; handleDecrease: () => void; handleSelectedMonth: (isVisibleMonth: boolean) => void; }): { isStartIntersection: boolean; isEndIntersection: boolean; };