interface FetchMoreCallback {
    (): Promise<any>;
}

interface LazyScrollConfig {
    itemHeight: number;
    viewportHeight: number;
    bufferSize?: number;
    fetchMore: FetchMoreCallback;
}
declare function lazyScroll(node: HTMLElement, config: LazyScrollConfig): {
    update(newConfig: LazyScrollConfig): void;
    destroy(): void;
};

export { lazyScroll };