/** * Walk the DOM tree starting from `node`'s parent and return the first * ancestor whose computed `overflow*` allows scrolling. Falls back to the * document's scrolling element (typically ``) when no ancestor scrolls. * * @param node - The element whose scroll parent should be resolved. * @returns The first scrollable ancestor, or the document scrolling element. */ export declare function getScrollParent(node: Node): Element | undefined; /** * Resolve the scroll-parent target used by the scroller's pageMode paths. * * Combines the auto-detection of `getScrollParent` with an optional explicit * override and normalizes html/body to `window`, so callers get a single * "target" they can listen on AND measure against (geometry math reads the * returned target's rect; for `window` it uses `innerHeight/innerWidth`). * * @param node - The scroller's root element. Used as the start of the DOM * walk when no override is provided. * @param override - Optional explicit scroll-parent. Accepts either an * `HTMLElement` or `Window`. When `undefined`, falls back to auto-detection. * @returns A `Window` or `HTMLElement` to listen on and measure against. * Returns `undefined` only when `node` is not a host element AND no * override was supplied — callers should fall back to `window` in that * case (matches the legacy behavior in `useRecycleScroller`). */ export declare function resolveScrollParent(node: Node | undefined, override?: HTMLElement | Window): Window | HTMLElement | undefined;