import type * as React from 'react';
export declare const DEFAULT_MUTATION_OBSERVER_OPTIONS: MutationObserverInit;
export declare const useMutationObserver: (ref: React.RefObject<HTMLElement | null> | null, callback: () => void, options?: MutationObserverInit) => void;
//# sourceMappingURL=useMutationObserver.d.ts.map