export declare const ABORT_ERR = "ABORT_ERR";
export declare const ERR_NETWORK = "ERR_NETWORK";
export declare const ERR_HTTP_REQUEST_TIMEOUT = "ERR_HTTP_REQUEST_TIMEOUT";
export declare const ERR_BAD_REQUEST = "ERR_BAD_REQUEST";
export declare const ERR_BAD_RESPONSE = "ERR_BAD_RESPONSE";
export declare class AjaxError extends Error {
    /** 错误代码 */
    code: string;
    /** XMLHttpRequest实例 */
    request?: XMLHttpRequest;
    /** 相应数据 */
    data?: any;
    /** 响应状态码 */
    status?: number;
    /** 响应状态内容 */
    statusText?: string;
    constructor(message: string, code: string, extra?: Record<string, any>);
}