import { HttpClient } from '@angular/common/http';
import { Observable } from "rxjs";
export declare class ApiService {
    private http;
    private apiUrl;
    /** Problems stream to live reload by subscribing it from templates or controllers */
    private items$;
    constructor(http: HttpClient);
    /**
     * Sets api url to send calls
     * @param url
     */
    setAPiUrl(url: string): void;
    /**
     * Gett all obituaries and store it in subject stream
     * @param options
     */
    getAll(itemName: string): Observable<any>;
    /**
     * Give an item from database by his id
     * @param id
     */
    getById(itemName: string, itemId: string): Observable<any>;
    /**
     * Remove an item
     * @param id
     */
    remove(itemName: string, id: string): Observable<any>;
    /**
     *
     * @param itemName
     * @param item
     */
    create(itemName: string, item: any): Observable<any>;
    /**
     *
     * @param itemName
     * @param itemId
     * @param updatedItem
     */
    update(itemName: string, itemId: string, updatedItem: any): Observable<any>;
    /** Returns observable problems list */
    getAsObservable(): Observable<Array<any>>;
    /** Returns observable problems list */
    getSnapshot(): Array<any>;
}