/*!
 * Copyright (c) 2020 Ville de Montreal. All rights reserved.
 * Licensed under the MIT license.
 * See LICENSE file in the project root for full license information.
 */
import { HttpClientError, IHttpClient, IHttpDefaults, IHttpRequest, IHttpResponse, ILogger, IHttpContext } from '@villedemontreal/auth-core';
import * as http from 'http';
import { AxiosResponseHeaders, RawAxiosResponseHeaders } from 'axios';
/**
 * An implementation of the IHttpClient using the Axios library
 */
export declare class AxiosHttpClient implements IHttpClient {
    private logger;
    private defaults;
    constructor(logger: ILogger, defaults?: IHttpDefaults);
    /**
     * Sends a HTTP request to a remote server
     * @param request the HTTP request to send to a remote server
     * @returns a HTTP response from the server
     * @throws HttpClientError when response status code is not within 200 to 299 range,
     *         or for any other exception.
     */
    send(request: Readonly<IHttpRequest>): Promise<IHttpResponse>;
    private doSend;
    private createRequestContext;
    private createRequestContent;
    private processResponse;
}
export declare function convertHeaders(headers: RawAxiosResponseHeaders | AxiosResponseHeaders): http.IncomingHttpHeaders;
/**
 * remaps an error thrown while sending a request into a HttpClientError
 * @param err the error thrown while sending the request
 * @param context the current context
 * @returns a HttpClientError
 */
export declare function remapError(err: any, context: IHttpContext): HttpClientError;