import { Config } from 'ionic-angular';
import { AlertController } from 'ionic-angular';
import { LoadingController } from 'ionic-angular';
import { HttpClient } from '@angular/common/http';
import { HttpHeaders } from '@angular/common/http';
import { HttpParams } from '@angular/common/http';
/**
 * Pigeon Restful Provider
 *
 * HTTP Service Provider for Ionic
 */
export declare class RestfulProvider {
    private http;
    private config;
    private alertCtrl;
    private loadingCtrl;
    /**
     * Request Method HTTP
     *
     * ``` js
     *
     * console.log('Run');
     *
     * restful: Restful = Restful();
     * restful.request('get', '/api/1.0/user')
     *  .then((data) => { restful.alert('Status', data.statusText); })
     *  .catch((data) => { restful.errorMessage(data); });
     *
     * console.log('Or');
     *
     * let data: Promise = restful.request('get', '/api/1.0/user');
     * ```
     *
     * @param  {HttpClient}              http        provider http
     * @param  {Config}            config      provider http
     * @param  {AlertController}   alertCtrl   controller alert
     * @param  {LoadingController} loadingCtrl controller loading
     */
    constructor(http: HttpClient, config: Config, alertCtrl: AlertController, loadingCtrl: LoadingController);
    /**
     * Request Method HTTP
     *
     * ``` js
     * restful.request('get', '/api/1.0/user')
     *  .then((data) => { restful.alert('Status', data.statusText); })
     *  .catch((data) => { restful.errorMessage(data); });
     * ```
     *
     * @param  {string}    method  http method
     * @param  {string}    url     server url
     * @param  {any}       body    request body
     * @param  {any}       params  request params
     * @return {Promise}
     */
    request(method: string, url: string, body?: any, params?: HttpParams, headers?: HttpHeaders): Promise<{}>;
    /**
     * Alert
     *
     * ``` js
     * restful.request('get', '/api/1.0/user')
     *  .then((data) => { restful.alert('Status', data.statusText); })
     *  .catch((data) => { restful.errorMessage(data); });
     * ```
     *
     * @param  {string} title    alert title
     * @param  {string} subTitle alert subtitle
     * @return {void}
     */
    private alert;
    /**
     * Default Message Error
     *
     * ``` js
     * restful.request('get', '/api/1.0/user')
     *  .then((data) => { restful.alert('Status', data.statusText); })
     *  .catch((data) => { restful.errorMessage(data); });
     * ```
     *
     * @param {any}   error http error return
     * @return {void}
     */
    private errorMessage;
}