interface EngineConfig {
    itemHeight: number;
    viewportHeight: number;
    bufferSize?: number;
    totalItems?: number;
}
interface VisibleRange {
    start: number;
    end: number;
}
interface FetchMoreCallback {
    (): Promise<any>;
}
interface ScrollAnalysis {
    velocity: number;
    direction: 'up' | 'down' | 'stationary';
    buffer: number;
    prefetchDistance: number;
    predictedPosition: number;
    isIdle: boolean;
}

interface LazyListConfig extends EngineConfig {
    fetchMore: FetchMoreCallback;
}
declare const useLazyList: (config: LazyListConfig) => {
    visibleRange: VisibleRange;
    loadedItems: any[];
    isLoading: boolean;
    scrollAnalysis: ScrollAnalysis;
    setContainerRef: (element: HTMLElement | null) => (() => void) | undefined;
    refresh: () => void;
    getScrollAnalysis: () => {
        velocity: number;
        direction: string;
        buffer: number;
        prefetchDistance: number;
        predictedPosition: number;
        isIdle: boolean;
    };
};

export { useLazyList };