import { Observable, BehaviorSubject } from 'rxjs';
export declare function GetLength(): import("rxjs").OperatorFunction<any[], number>;
export declare function convertObservableToBehaviorSubject<T>(observable: Observable<T>, initValue: T): BehaviorSubject<T>;
export declare function distinctUntilChangedObj<T>(): import("rxjs").MonoTypeOperatorFunction<T>;