import { type MaybeRef } from './_shared';
import type { Ref } from '@stacksjs/stx';
/**
 * Reactive MutationObserver.
 * Observes the target element and calls the callback when mutations occur.
 *
 * @param target - The element to observe (or a Ref to one)
 * @param callback - MutationCallback
 * @param options - MutationObserverInit options
 * @returns isSupported ref and stop function
 */
export declare function useMutationObserver(target: MaybeRef<HTMLElement | null>, callback: MutationCallback, options?: MutationObserverInit): UseMutationObserverReturn;
export declare interface UseMutationObserverReturn {
  isSupported: Ref<boolean>
  stop: () => void
}