import { HttpClient } from '@angular/common/http';
import { Observable } from 'rxjs';
import { Config, HttpOptions } from '../providers';
import { ParserClient } from './parser.client';
/**
 * D4H API HTTP Client
 * =============================================================================
 * This client extends Angular's HttpClient to offer the signing functionality
 * required for the D4H API. ApiHttpClient populates the complete server URL based
 * on configured region and version.
 *
 * Parameters, parsing, signing, etc. are handled by the internal parser.
 */
export declare class ApiHttpClient {
    private readonly config$;
    private readonly http;
    private readonly parser;
    constructor(config$: Observable<Config>, http: HttpClient, parser: ParserClient);
    get<T>(url: string, options?: HttpOptions): Observable<T>;
    post<T>(url: string, body: any, options?: HttpOptions): Observable<T>;
    put<T>(url: string, body: any, options?: HttpOptions): Observable<T>;
    delete<T>(url: string, options?: HttpOptions): Observable<T>;
}