import { Observable, Subject, Subscription } from 'rxjs';
import { ReactiveCollection } from './reactive.interface';
export declare class ReactiveWeakMap<Key extends object, Value> extends WeakMap<Key, Value> implements ReactiveCollection<WeakMap<Key, Value>> {
    protected store: Subject<WeakMap<Key, Value>>;
    asObservable(): Observable<WeakMap<Key, Value>>;
    subscribe(next: (value: WeakMap<Key, Value>) => void): Subscription;
    unsubscribe(): void;
}