//#region src/libs/observe-element-rect.d.ts
interface IMeasurable {
  getBoundingClientRect(): DOMRect;
}
/**
 * Observe an element's rect via a single shared rAF loop. Reads are batched before writes
 * to avoid layout thrash. Loop runs only while at least one element is observed.
 */
declare function observeElementRect(elementToObserve: IMeasurable, callback: CallbackFn): () => void;
type CallbackFn = (rect: DOMRect) => void;
//#endregion
export { observeElementRect as n, IMeasurable as t };