import { HttpClient } from '@angular/common/http'; import { Observable } from 'rxjs'; import { Appointment } from '../_model/appointment'; import { Store } from '../_model/store'; export declare class DataService { private http; constructor(http: HttpClient); getCurrent(): Observable; getStore(id: string): Observable; getStores(): Observable; saveAppointment(item: Appointment, store: Store): Observable; modelToJson(model: Appointment, store: Store): { contactEmail: string; endDate: string; contactName: string; contact: any; icon: null; description: string; store: any; contactPhone: string; title: string; type: string; startDate: string; }; checkIfEmpty(value: any): boolean; }