/**
 * @file http
 * @author david wang
 */
import { Observable } from 'rxjs';
import { HttpConfigType, HttpRequestOptionsType } from "./type";
import { HttpResponseError } from './response';
export declare class HttpClient {
    /** @private 公共头部 */
    private _commonHeader;
    /** 是否初始化 */
    private _inited;
    /** @private 全局配置项 */
    private _config;
    private _pubsub;
    /**
     * @private 判断是否是合法的请求方法
     * @param { string } method 方法名
     * @return { boolean } true or false
     */
    private _isValidMethod;
    /**
     * @private 参数转换
     * @param { object } params 要转换的参数
     * @return { string } 转换的值
     */
    private _convertParam;
    /**
     * @private 获取请求路径
     * @param { string } url 路径
     * @param { string } params 参数
     * @return { string } url
     */
    private _getUrl;
    /**
     * @private 获取header
     * @param { object } header header
     * @return { object } header
     */
    private _getHeader;
    /**
     * @private 发送请求
     * @param { string } method 请求方法
     * @param { string } url 请求地址
     * @param { HttpRequestOptionType } options 配置
     * @return { object } < Observable<any> >
     */
    private _request;
    /**
     * 处理json返回数据
     * @param { object } json 返回的json值
     * @param { object } response response
     * @param { object } options 当前请求的配置项
     * @return { any } 返回object|httpResponseError
     */
    private _handleJsonResponse;
    /**
     * 错误返回处理
     * @param { any } err 错误对象
     * @param { object } options 配置项
     * @return { void }
     */
    private _handleResponseError;
    /**
     * 初始化
     */
    init(config?: HttpConfigType): this;
    /**
     * 设置公共头
     * @param { string } key header key
     * @param { any } value header value
     * @return { void }
     */
    setCommonHeader(key: string, value: any): void;
    /**
     * 监听
     */
    listen(handle: (topic: string, err: HttpResponseError, options: HttpRequestOptionsType) => void): Function;
    /**
     * @private 发送请求
     * @param { string } method 请求方法
     * @param { string } url 请求地址
     * @param { HttpRequestOptionType } options 配置
     * @return { Object } < Observable<any> >
     */
    request(method: string, url: string, options?: HttpRequestOptionsType): Observable<{
        result: any;
        response: any;
        isSuccess: boolean;
    }>;
    /**
     * post请求
     * @param body
     * @param options
     */
    post(url: string, body?: any, options?: HttpRequestOptionsType): Observable<{
        result: any;
        response: any;
        isSuccess: boolean;
    }>;
    /**
     * get
     * @param params
     * @package options
     */
    get(url: string, params?: any, options?: HttpRequestOptionsType): Observable<{
        result: any;
        response: any;
        isSuccess: boolean;
    }>;
    /**
     * put
     * @param params
     * @package options
     */
    put(url: string, params?: any, options?: HttpRequestOptionsType): Observable<{
        result: any;
        response: any;
        isSuccess: boolean;
    }>;
    /**
     * delete
     * @param params
     * @package options
     */
    delete(url: string, params?: any, options?: HttpRequestOptionsType): Observable<{
        result: any;
        response: any;
        isSuccess: boolean;
    }>;
}
declare const _default: {
    createClient: () => HttpClient;
};
export default _default;