import type { ConfigurableWindow } from "../_configurable";
export interface MutationObserverOptions extends MutationObserverInit, ConfigurableWindow {
}
/**
 * Watch for changes being made to the DOM tree.
 *
 * @see https://developer.mozilla.org/en-US/docs/Web/API/MutationObserver MutationObserver MDN
 * @param target
 * @param callback
 * @param options
 */
export declare function mutation_observer(target: HTMLElement | SVGElement | undefined | null, callback: MutationCallback, options?: MutationObserverOptions): {
    is_supported: import("svelte/store").Readable<boolean>;
    cleanup: () => void;
} | undefined;
export { mutation_observer as mutationObserver };