export function useVirtual({ size, estimateSize, overscan, paddingStart, paddingEnd, parentRef, windowRef, horizontal, scrollToFn, useObserver, useWindowObserver, initialRect, keyExtractor, measureSize, rangeExtractor, useScroll, }: {
    size?: number | undefined;
    estimateSize?: (() => number) | undefined;
    overscan?: number | undefined;
    paddingStart?: number | undefined;
    paddingEnd?: number | undefined;
    parentRef: any;
    windowRef: any;
    horizontal: any;
    scrollToFn: any;
    useObserver: any;
    useWindowObserver: any;
    initialRect: any;
    keyExtractor?: ((index: any) => any) | undefined;
    measureSize?: ((el: any, horizontal: any) => any) | undefined;
    rangeExtractor?: ((range: any) => number[]) | undefined;
    useScroll?: ((props: any) => {
        outerSize: any;
        scrollOffset: number;
        scrollToFn: (offset: any, reason: any) => void;
    }) | undefined;
}): {
    virtualItems: any[];
    totalSize: any;
    scrollToOffset: (toOffset: any, { align }?: {
        align?: string | undefined;
    }, reason?: string) => void;
    scrollToIndex: (...args: any[]) => void;
    measure: () => void;
};
export function defaultRangeExtractor(range: any): number[];
export function useElementScroll({ parentRef, horizontal, useObserver, initialRect }: {
    parentRef: any;
    horizontal: any;
    useObserver: any;
    initialRect: any;
}): {
    outerSize: any;
    scrollOffset: number;
    scrollToFn: (offset: any) => void;
};
export function useWindowScroll({ windowRef, parentRef, horizontal, useWindowObserver, initialRect }: {
    windowRef: any;
    parentRef: any;
    horizontal: any;
    useWindowObserver: any;
    initialRect: any;
}): {
    outerSize: any;
    scrollOffset: number;
    scrollToFn: (offset: any, reason: any) => void;
};
export function useDefaultScroll(props: any): {
    outerSize: any;
    scrollOffset: number;
    scrollToFn: (offset: any, reason: any) => void;
};