import { HttpClient } from '@angular/common/http';
import { HttpMethod } from '../http-method';
import { HttpOptions, ResponseObserve } from '../../core';
export declare class HttpPatch<T> extends HttpMethod<T> {
    protected readonly path: string;
    protected readonly http: HttpClient;
    private readonly _body;
    private readonly options;
    constructor(path: string, http: HttpClient, _body?: any, options?: HttpOptions);
    arraybuffer(): ResponseObserve<ArrayBuffer>;
    blob(): ResponseObserve<Blob>;
    text(): ResponseObserve<string>;
}