type ResizeCallback = (entry: ResizeObserverEntry) => void;
/** Observes `element` on the one shared ResizeObserver; returns the unsubscribe. A no-op where ResizeObserver is missing. */
export declare function observeResize(element: Element, callback: ResizeCallback): () => void;
/** Defers callbacks for elements inside `root` until the returned resume runs, then delivers each element's latest entry once. */
export declare function suspendResizeWithin(root: Element): () => void;
export {};