declare type HttpMethod = "GET" | "POST" | "PUT" | "DELETE";

/**
 * @typedef {'GET' | 'POST' | 'PUT' | 'DELETE'} HttpMethod
 */
/**
 * @typedef {Object} RequestOptions@typedef {Object} RequestOptions
 * @property {string} [url]
 * @property {HttpMethod} [method]
 * @property {Record<string, unknown>} [params]
 * @property {unknown} [data]
 */
/**
 * 底层请求函数类型（兼容 axios 等）
 * @typedef {(config: RequestOptions & Record<string, unknown>) => Promise<{ code: number, msg: string, data: unknown, res?: string }>} RequestFn
 */
/**
 * 缓存条目：[code, msg, data, url, res]
 * @typedef {[number, string, unknown, string, string]} CacheEntry
 */
declare class HttpRequest {
    /**
     * @param {string} [appKey]
     * @param {string} [appSecret]
     * @param {RequestFn} [reqFn]
     */
    constructor(appKey?: string, appSecret?: string, reqFn?: RequestFn);
    /**
     * 初始化请求实例
     * @param {string} [appKey]
     * @param {string} [appSecret]
     * @param {RequestFn} [reqFn]
     */
    init: (appKey?: string, appSecret?: string, reqFn?: RequestFn) => void;
    /**
     * 发起请求，支持缓存与并发合并
     * @param {RequestOptions} options
     * @param {boolean} [isCacheRequest]
     * @returns {any} 返回 Proxy 包裹的 Promise，支持链式调用 .then / .catch / .msg / .resp
     */
    request: ({ url, method, ...params }: RequestOptions, isCacheRequest?: boolean) => any;
    /**
     * GET 请求
     * @param {string} url
     * @param {Record<string, unknown>} [params]
     */
    get: (url: string, params?: Record<string, unknown>) => any;
    /**
     * POST 请求
     * @param {string} url
     * @param {unknown} [data]
     * @param {Record<string, unknown>} [params]
     */
    post: (url: string, data?: unknown, params?: Record<string, unknown>) => any;
    /**
     * PUT 请求
     * @param {string} url
     * @param {unknown} [data]
     * @param {Record<string, unknown>} [params]
     */
    put: (url: string, data?: unknown, params?: Record<string, unknown>) => any;
    /**
     * DELETE 请求
     * @param {string} url
     * @param {unknown} [data]
     * @param {Record<string, unknown>} [params]
     */
    del: (url: string, data?: unknown, params?: Record<string, unknown>) => any;
    /**
     * 下载（待实现）
     * @param {string} url
     * @param {Record<string, unknown>} [params]
     */
    download: (url: string, params?: Record<string, unknown>) => void;
    /**
     * 永久缓存 GET 请求
     * @param {string} url
     * @param {Record<string, unknown>} [params]
     */
    cache: (url: string, params?: Record<string, unknown>) => any;
    /**
     * 通过 Base62 编码参数请求列表接口
     * @param {string} code
     * @param {Record<string, unknown>} [base62param]
     */
    list: (code: string, base62param?: Record<string, unknown>) => any;
    getAppInfo: () => void;
    /**
     * 清除缓存
     * @param {boolean} [isSystem] 是否同时清除系统缓存（`/_/` 路由）
     */
    refreshCache: (isSystem?: boolean) => void;
    /**
     * 解码 Base62 字符串为 JSON 对象
     * @param {string} [str]
     * @param {object} [defaultValue]
     * @returns {unknown}
     */
    decode: (str?: string, defaultValue?: object) => unknown;
    /**
     * 将 JSON 对象编码为 Base62 字符串
     * @param {Record<string, unknown>} [json]
     * @returns {string}
     */
    encode: (json?: Record<string, unknown>) => string;
    #private;
}

declare namespace HttpRequest {
    /**
     * 全局未处理 rejection 处理器，适配浏览器和 Node 环境
     * @param {any} e
     */
    function onUnhandledRejection(e: any): void;
    /**
     * 全局消息回调，默认打印到控制台
     * @param {number} code
     * @param {string} msg
     */
    function onMsg(code: number, msg: string): void;
}
export default HttpRequest;

/**
 * @typedef {Object} HttpResponseData@typedef {Object} HttpResponseData
 * @property {number} code
 * @property {string} message
 * @property {unknown} data
 * @property {string} url
 * @property {string} res
 */
export declare class HttpResponse {
    /**
     * @param {number} code
     * @param {string} message
     * @param {unknown} data
     * @param {string} url
     * @param {string} res
     */
    constructor(code: number, message: string, data: unknown, url: string, res: string);
    /** @type {number} */
    code: number;
    /** @type {string} */
    message: string;
    /** @type {unknown} */
    data: unknown;
    /** @type {string} */
    url: string;
    /** @type {string} */
    res: string;
    #private;
}

export declare function NewHttpResponse(code: number, message: string, data: unknown, url?: string, res?: string): HttpResponse;

/**
 * 底层请求函数类型（兼容 axios 等）
 */
declare type RequestFn = (config: RequestOptions & Record<string, unknown>) => Promise<{
    code: number;
    msg: string;
    data: unknown;
    res?: string;
}>;

declare type RequestOptions = {
    url?: string | undefined;
    method?: HttpMethod | undefined;
    params?: Record<string, unknown> | undefined;
    data?: unknown;
};

/**
 * DJB2 算法 —— 将字符串散列为十六进制字符串
 * @param {string} input
 * @returns {string}
 */
export declare function signature(input: string): string;

/**
 * 将字符串编码为 Uint8Array
 * @param {string} str
 * @returns {Uint8Array}
 */
export declare function str2uint8array(str: string): Uint8Array;

/**
 * 去除字符串首尾指定字符
 * @param {string} str
 * @param {string} char
 * @returns {string}
 */
export declare function trim(str: string, char: string): string;

/**
 * 将 ArrayBuffer 解码为字符串
 * @param {ArrayBuffer} buffer
 * @returns {string}
 */
export declare function uint8array2str(buffer: ArrayBuffer): string;

export { }