import { Observable } from 'rxjs/Observable';
import { HttpOptions } from './interfaces';
export declare abstract class HttpClientAdapter {
    get(url: string, params: {
        [name: string]: string;
    }, options?: HttpOptions): Observable<any>;
    post(url: string, params: {
        [name: string]: string;
    }, body: any, options?: HttpOptions): Observable<any>;
    put(url: string, params: {
        [name: string]: string;
    }, body: any | null, options?: HttpOptions): Observable<any>;
    patch(url: string, params: {
        [name: string]: string;
    }, body: any | null, options?: HttpOptions): Observable<any>;
    delete(url: string, params: {
        [name: string]: string;
    }, options?: HttpOptions): Observable<any>;
}