Get the current value of the observable.
OptionalinitialValue: ROptionalonError: (error: any) => voidOptionalonComplete: () => voidWait for the observable to complete.
Optional__namedParameters: { timeout?: number }Promise that resolves to the value of the observable at the time of completion.
StaticemptyStable reference to an observable that always returns undefined.
StaticfromStaticof
Cancelable observer that relays authentication requests.