import { HttpClient } from '@angular/common/http'; import { Observable } from 'rxjs/Observable'; export declare class SbmHttpClientService { private http; constructor(http: HttpClient); changeUrl(url: string): string; get(url: string, params?: any): Observable; post(url: string, body: any): Observable; put(url: string, body: any): Observable; delete(url: string, body: any): Observable; }