/**
 * @deprecated Use BehaviorSubject instead. Use its `.next()` and `.value`
 * @param obs
 * @constructor
 */
export declare function ObservedBy(obs: string): (target: any, propertyName: string) => void;
/**
 * @deprecated Use BehaviorSubject instead. Use its `.next()` and `.value`
 * @param store
 * @constructor
 */
export declare function Observing(store: string): (target: any, propertyName: string) => void;