import { Observable } from 'rxjs';
import { HttpHeadersInterface } from './http-headers.interface';
import { HttpRequestOptionsInterface } from './http-request-options.interface';
import { HttpRequestInterface } from './http-request.interface';
import { HttpResponseInterface } from './http-response.interface';
/**
 * Abstraction of HTTP client service.
 */
export interface HttpClientInterface {
    /**
     * Execute HEAD request on given URL.
     */
    head<T>(url: string, data?: unknown | undefined | null, headers?: HttpHeadersInterface | null | undefined, options?: HttpRequestOptionsInterface | null | undefined): Observable<HttpResponseInterface<T>>;
    /**
     * Execute GET request on given URL.
     */
    get<T>(url: string, headers?: HttpHeadersInterface | null | undefined, options?: HttpRequestOptionsInterface | null | undefined): Observable<HttpResponseInterface<T>>;
    /**
     * Execute POST request on given URL.
     */
    post<T>(url: string, data: unknown, headers?: HttpHeadersInterface | null | undefined, options?: HttpRequestOptionsInterface | null | undefined): Observable<HttpResponseInterface<T>>;
    /**
     * Execute PATCH request on given URL.
     */
    patch<T>(url: string, data: unknown | null | undefined, headers?: HttpHeadersInterface | null | undefined, options?: HttpRequestOptionsInterface | null | undefined): Observable<HttpResponseInterface<T>>;
    /**
     * Execute PUT request on given URL.
     */
    put<T>(url: string, data?: unknown | null | undefined, headers?: HttpHeadersInterface | null | undefined, options?: HttpRequestOptionsInterface | null | undefined): Observable<HttpResponseInterface<T>>;
    /**
     * Execute DELETE request on given URL.
     */
    delete<T>(url: string, headers?: HttpHeadersInterface | null | undefined, options?: HttpRequestOptionsInterface | null | undefined): Observable<HttpResponseInterface<T>>;
    /**
     * Execute request.
     */
    request<T>(request: HttpRequestInterface, options?: HttpRequestOptionsInterface | null | undefined): Observable<HttpResponseInterface<T>>;
}