API Reference > ui-components > Tree > NextObserver NextObserver<T> Interface NextObserver interface compatible with rxjs This interface ensures that consumers are not required to have rxjs as dependency. Methods Name Description complete(): void Optional error(err: any): void Optional next(value: T): void Properties Name Type Description closed undefined | boolean Defined in ui/components/src/ui-components/tree/controlled/Observable.ts Line 77 Last Updated: 11 June, 2024