public ngAfterViewInit() {

		const contains = (value: string) => (object: IBaseObjectConfigurationField) => object.name.toLowerCase().indexOf(value.toLowerCase()) !== -1;

		this.multiSelect.filterChange
			.asObservable()
			.pipe(
				switchMap(value =>
					from([this.collection])
						.pipe(
							tap(() => {
								this.multiSelect.loading = true;
							}),
							delay(value ? 350: 0),
							map(data => data.filter(contains(value))),
						),
				),
			)
			.subscribe(x => {
				this.filteredCollection = x;
				this.multiSelect.loading = false;
			});
	}