import type { VirtualItem, VirtualizerOptions, VirtualizerState } from './types';
type VirtualizerListener = () => void;
export declare function createVirtualizer(initial: VirtualizerOptions): {
    setOptions(next: Partial<VirtualizerOptions>): void;
    setScrollOffset(scrollOffset: number): void;
    setViewportHeight(viewportHeight: number): void;
    scrollToIndex(index: number): void;
    getVirtualItems(): VirtualItem[];
    getTotalSize(): number;
    /** Cumulative offset of row `index` from the top in px, regardless
     *  of whether `estimateSize` is uniform or per-index. Uses the
     *  cached offsets array under function-form sizing so the lookup
     *  is O(1) instead of O(index). */
    getOffsetForIndex(index: number): number;
    /** Height of row `index` in px (whichever estimateSize provides). */
    getSizeForIndex(index: number): number;
    getState(): VirtualizerState;
    subscribe(listener: VirtualizerListener): () => boolean;
};
export {};