/// <reference types="node" />
import * as request from 'request';
import { Observable } from 'rxjs';
import { Cookie, RxCookieJar } from './rx-cookie-jar';
import RequestAPI = request.RequestAPI;
import Request = request.Request;
import CoreOptions = request.CoreOptions;
import RequiredUriUrl = request.RequiredUriUrl;
import RequestResponse = request.RequestResponse;
/**
 * Class definition
 */
export declare class RxHttpRequest {
    private static _instance;
    private readonly _request;
    /**
     * Returns singleton instance
     *
     * @return {RxHttpRequest}
     */
    static instance(): RxHttpRequest;
    /**
     * Class constructor
     */
    constructor(req: RequestAPI<Request, CoreOptions, RequiredUriUrl>);
    /**
     * Returns private attribute _request
     *
     * @return {RequestAPI<Request, CoreOptions, RequiredUriUrl>}
     */
    readonly request: RequestAPI<Request, CoreOptions, RequiredUriUrl>;
    /**
     * This method returns a wrapper around the normal rx-http-request API that defaults to whatever options
     * you pass to it.
     * It does not modify the global rx-http-request API; instead, it returns a wrapper that has your default settings
     * applied to it.
     * You can _call .defaults() on the wrapper that is returned from rx-http-request.defaults to add/override defaults
     * that were previously defaulted.
     *
     * @param options
     *
     * @return {RxHttpRequest}
     */
    defaults(options: CoreOptions): RxHttpRequest;
    /**
     * Function to do a GET HTTP request
     *
     * @param uri {string}
     * @param options {CoreOptions}
     *
     * @return {Observable<RxHttpRequestResponse<R>>}
     */
    get<R = any>(uri: string, options?: CoreOptions): Observable<RxHttpRequestResponse<R>>;
    /**
     * Function to do a GET HTTP request and to return a buffer
     *
     * @param uri
     * @param options
     *
     * @return {Observable<RxHttpRequestResponse<Buffer>>}
     */
    getBuffer<R = Buffer>(uri: string, options?: CoreOptions): Observable<RxHttpRequestResponse<Buffer>>;
    /**
     * Function to do a POST HTTP request
     *
     * @param uri {string}
     * @param options {CoreOptions}
     *
     * @return {Observable<RxHttpRequestResponse<R>>}
     */
    post<R = any>(uri: string, options?: CoreOptions): Observable<RxHttpRequestResponse<R>>;
    /**
     * Function to do a PUT HTTP request
     *
     * @param uri {string}
     * @param options {CoreOptions}
     *
     * @return {Observable<RxHttpRequestResponse<R>>}
     */
    put<R = any>(uri: string, options?: CoreOptions): Observable<RxHttpRequestResponse<R>>;
    /**
     * Function to do a PATCH HTTP request
     *
     * @param uri {string}
     * @param options {CoreOptions}
     *
     * @return {Observable<RxHttpRequestResponse<R>>}
     */
    patch<R = any>(uri: string, options?: CoreOptions): Observable<RxHttpRequestResponse<R>>;
    /**
     * Function to do a DELETE HTTP request
     *
     * @param uri {string}
     * @param options {CoreOptions}
     *
     * @return {Observable<RxHttpRequestResponse<R>>}
     */
    delete<R = any>(uri: string, options?: CoreOptions): Observable<RxHttpRequestResponse<R>>;
    /**
     * Function to do a HEAD HTTP request
     *
     * @param uri {string}
     * @param options {CoreOptions}
     *
     * @return {Observable<RxHttpRequestResponse<R>>}
     */
    head<R = any>(uri: string, options?: CoreOptions): Observable<RxHttpRequestResponse<R>>;
    /**
     * Function to do a OPTIONS HTTP request
     *
     * @param uri {string}
     * @param options {CoreOptions}
     *
     * @return {Observable<RxHttpRequestResponse<R>>}
     */
    options<R = any>(uri: string, options?: CoreOptions): Observable<RxHttpRequestResponse<R>>;
    /**
     * Function that creates a new rx cookie jar
     *
     * @return {Observable<RxCookieJar>}
     */
    jar(): Observable<RxCookieJar>;
    /**
     * Function that creates a new cookie
     *
     * @param str {string}
     *
     * @return {Observable<Cookie>}
     */
    cookie(str: string): Observable<Cookie>;
    /**
     * Function to do a HTTP request for given method
     *
     * @param method {string}
     * @param uri {string}
     * @param options {CoreOptions}
     *
     * @return {Observable<RxHttpRequestResponse<R>>}
     *
     * @private
     */
    private _call;
    /**
     * Function to check existing function in request API passed in parameter for a new instance
     *
     * @param req {RequestAPI<Request, CoreOptions, RequiredUriUrl>}
     *
     * @private
     */
    private _checkRequestParam;
}
/**
 * Export {RxHttpRequest} instance
 */
export declare const RxHR: RxHttpRequest;
/**
 * Export response interface
 */
export interface RxHttpRequestResponse<R = any> {
    response: RequestResponse;
    body: R;
}
/**
 * Export all initial elements
 */
export { RequestAPI, Request, CoreOptions, RequiredUriUrl, RequestResponse };