/// <reference types="node" />
import { ServiceOption, InitOption } from "use-services";
export declare type Option<S extends Service> = ServiceOption<Args, S>;
export interface Args {
    appId: string;
    secret: string;
    token?: string;
    encodingAESKey?: string;
    timeout?: number;
}
export declare class Service {
    args: Args;
    constructor(option: InitOption<Args, Service>);
    wxBizDataDecrypt(sessionKeyRaw: string, encryptedDataRaw: string, ivRaw: string): any;
    code2Session(code: string): Promise<any>;
    getWXACodeUnlimit(accessToken: string, page: string, scene: string): Promise<any>;
    getAccessToken(): Promise<any>;
    sendCustomerMessage(accessToken: string, msg: CustomerMessage): Promise<any>;
    sendTemplateMessage(accessToken: string, msg: TemplateMessage): Promise<any>;
    uploadTempMedia(accessToken: string, img: Buffer, imgfile: string, imgtype: string): Promise<void>;
    checkSignature(signature: string, timestamp: string, nonce: string): boolean;
    decryptWXContact(wechatData: string): ContactMessage;
    private checkError;
}
export declare const init: (option: InitOption<unknown, Service>) => Promise<Service>;
export declare class WechatLiteRequestError extends Error {
}
export declare class WechatLiteArgError extends Error {
}
export declare class WechatLiteBusinessError extends Error {
    readonly errcode: string;
    readonly errmsg: string;
    constructor(msg: string, errcode: string, errmsg: string);
}
export interface Session {
    openid: string;
    session_key: string;
    unionid?: string;
}
export interface AccessToken {
    access_token: string;
    expires_in: number;
}
export declare type CustomerMessage = CustomerMessageText | CustomerMessageImage | CustomerMessageLink | CustomerMessageMiniprogrampage;
export interface CustomerMessageText {
    touser: string;
    msgtype: "text";
    text: {
        content: string;
    };
}
export interface CustomerMessageImage {
    touser: string;
    msgtype: "image";
    image: {
        media_id: string;
    };
}
export interface CustomerMessageLink {
    touser: string;
    msgtype: "link";
    link: {
        title: string;
        description: string;
        url: string;
        thumb_url: string;
    };
}
export interface CustomerMessageMiniprogrampage {
    touser: string;
    msgtype: "miniprogrampage";
    miniprogrampage: {
        title: string;
        pagepath: string;
        thumb_media_id: string;
    };
}
export declare type ContactMessage = ContactMessageText | ContactMessageImage | ContactMessageMiniprogrampage | ContactMessageEvent;
export interface ContactMessageText {
    FromUserName: string;
    CreateTime: number;
    MsgType: "text";
    Content: string;
    MsgId: number;
}
export interface ContactMessageImage {
    FromUserName: string;
    CreateTime: number;
    MsgType: "image";
    PicUrl: string;
    MediaId: string;
    MsgId: number;
}
export interface ContactMessageMiniprogrampage {
    FromUserName: string;
    CreateTime: number;
    MsgType: "miniprogrampage";
    MsgId: number;
    Title: string;
    AppId: string;
    PagePath: string;
    ThumbUrl: string;
    ThumbMediaId: string;
}
export interface ContactMessageEvent {
    FromUserName: string;
    CreateTime: number;
    MsgType: "event";
    Event: string;
    SessionFrom: string;
}
export interface TemplateMessage {
    touser: string;
    template_id: string;
    page: string;
    form_id: string;
    data?: {
        [k: string]: {
            value: string;
        };
    };
    emphasis_keyword?: string;
}
export interface UploadTempMediaRes {
    type: string;
    media_id: string;
    created_at: string;
}
export declare function sha1(data: string): string;