import { EVENT } from './events';
import { Config } from './modules/config';
/** @hidden */
export { EVENT } from './events';
type Call<T> = {
    resolve: (value: T) => void;
    reject: (reason?: unknown) => void;
    onData?: (data: T) => void;
    onComplete?: () => void;
    signal?: AbortSignal;
};
declare global {
    interface Window {
        $mujian_lite: MujianSdkLite;
    }
}
/**
 * @class MujianSdkLite
 * @description Cheliz SDK 的轻量级客户端，用于在浏览器中获取 API 配置。
 * @example
 * ```typescript
 * (window as any).$mujian_lite.init().then(() => {
 *    console.log((window as any).$mujian_lite.openapi.baseURL); // API 的 URL
 *    console.log((window as any).$mujian_lite.openapi.apiKey); // API 的 KEY （当前用户唯一）
 *  });
 * ```
 */
declare class MujianSdkLite {
    /** @hidden */
    private constructor();
    /**
     * 事件
     * @enum {string}
     */
    /** @hidden */
    static EVENT: typeof EVENT;
    /** @hidden */
    static getInstance(): MujianSdkLite;
    /** @hidden */
    private parent;
    /** @hidden */
    private ready;
    /**
     * 是否初始化
     */
    /** @hidden */
    get isReady(): boolean;
    /** @hidden */
    private pendingRequests;
    /** @hidden */
    private _config?;
    /**
     * 获取 API 配置
     * @returns {{ baseURL: string, apiKey: string }} { baseURL: API 的 URL, apiKey: API 的 KEY }
     */
    get openapi(): Config['openapi'] | undefined;
    /** @hidden */
    private initPromise;
    /**
     * 初始化
     */
    init(): Promise<void>;
    /** @hidden */
    private ensureReady;
    /** @hidden */
    emit<T>(event: EVENT, data?: T): void;
    /** @hidden */
    private nextCallId;
    /** @hidden */
    private getCallId;
    /** @hidden */
    call<Req, Resp>(event: EVENT, data?: Req, controller?: Pick<Call<Resp>, 'onData' | 'onComplete' | 'signal'>): Promise<Resp>;
}
export default MujianSdkLite;