/// <reference types="react" />
import type { ListItemProps } from "./types";
export declare function useDynamicList<Item>({
  items,
  width,
  height,
  overscanBy,
  scrollTop,
  itemHeightEstimate,
  positioner,
}: UseDynamicListOptions<Item>): ListItemProps<Item>[];
export interface UseDynamicListOptions<Item> {
  positioner: Positioner;
  items: Item[];
  width: number;
  height: number;
  itemHeightEstimate?: number;
  overscanBy?: number;
  scrollTop: number;
}
export declare const usePositioner: (
  itemGap?: number,
  deps?: import("react").DependencyList
) => Positioner;
export interface Positioner {
  set: (index: number, height: number) => PositionerItem;
  update: (index: number, height: number) => void;
  get: (index: number) => PositionerItem;
  remove: (index: number) => void;
  est: (itemCount: number, defaultItemHeight: number) => number;
  range: (
    lo: number,
    hi: number,
    cb: (item: PositionerItem, i: number) => void
  ) => void;
  height: () => number;
  size: () => number;
}
export interface PositionerItem {
  top: number;
  height: number;
}