import { Http, Response } from '@angular/http';
import { Observable } from 'rxjs/Observable';
import 'rxjs/add/operator/map';
import 'rxjs/add/operator/catch';
import 'rxjs/add/observable/throw';
export declare abstract class ParentBaseApiService<T, R> {
    protected http: Http;
    constructor(http: Http);
    /**
     * Load the base service url by configuration
     */
    abstract getServiceUrl(): string | null;
    /**
     * Find an object by its identifier
     * @param id the object identifier
     * @returns gets the object found
     */
    findById(id: any, properties?: any): Observable<R | T>;
    /**
     * Find all the elements
     * @returns gets the list of objects found
     */
    findAll(properties?: any): Observable<R[] | T[]> | null;
    /**
     * Delete an object by its identifier field
     * @param id the object identifier
     * @returns gets the response
     */
    delete(id: any): Observable<Response>;
    /**
     * Insert the data
     * @param data the object containing the data to be inserted
     * @returns gets the response
     */
    insert(data: T): Observable<Response> | null;
    /**
     * Updadte specific object into DB
     * @param fieldId the name of the field that identify the object
     * @param data the object to be updated
     * @returns gets the response
     */
    update(fieldId: string, data: any): Observable<Response>;
    /**
     * Extract data that arrives from the response
     * @param res the response
     */
    protected extractData(res: Response): any;
}