import { IDisposableOrSubscription } from '../../util';
import { MonoTypeChangeSetOperatorFunction } from '../ChangeSetOperatorFunction';
/**
 * Subscribes to each item when it is added to the stream and unsubcribes when it is removed.  All items will be unsubscribed when the stream is disposed
 * @typeparam TObject The type of the object.
 * @typeparam TKey The type of the key.
 * @param subscriptionFactory The subsription function
 */
export declare function subscribeMany<TObject, TKey>(subscriptionFactory: (value: TObject, key: TKey) => IDisposableOrSubscription): MonoTypeChangeSetOperatorFunction<TObject, TKey>;