import { Change } from '../Change';
import { MonoTypeChangeSetOperatorFunction } from '../ChangeSetOperatorFunction';
/**
 * Provides a call back for each change
 * @typeparam TObject The type of the object.
 * @typeparam TKey The type of the key.
 * @param action The action.
 */
export declare function forEachChange<TObject, TKey>(action: (change: Change<TObject, TKey>) => void): MonoTypeChangeSetOperatorFunction<TObject, TKey>;