/** @deprecated */ export declare class MockBackend implements ConnectionBackend { connections: any; connectionsArray: MockConnection[]; pendingConnections: any; constructor(); createConnection(req: Request): MockConnection; resolveAllConnections(): void; verifyNoPendingRequests(): void; } /** @deprecated */ export declare class MockConnection implements Connection { readyState: ReadyState; request: Request; response: ReplaySubject; constructor(req: Request); mockDownload(res: Response): void; mockError(err?: Error): void; mockRespond(res: Response): void; }