import { IPublicTypeEngineOptions, IPublicModelEngineConfig, IPublicModelPreference } from '@alilc/lowcode-types';
export interface IEngineConfig extends IPublicModelEngineConfig {
    /**
     * if engineOptions.strictPluginMode === true, only accept propertied predefined in EngineOptions.
     *
     * @param {IPublicTypeEngineOptions} engineOptions
     */
    setEngineOptions(engineOptions: IPublicTypeEngineOptions): void;
    notifyGot(key: string): void;
    setWait(key: string, resolve: (data: any) => void, once?: boolean): void;
    delWait(key: string, fn: any): void;
}
export declare class EngineConfig implements IEngineConfig {
    private config;
    private waits;
    /**
     * used to store preferences
     *
     */
    readonly preference: IPublicModelPreference;
    constructor(config?: {
        [key: string]: any;
    });
    /**
     * 判断指定 key 是否有值
     * @param key
     */
    has(key: string): boolean;
    /**
     * 获取指定 key 的值
     * @param key
     * @param defaultValue
     */
    get(key: string, defaultValue?: any): any;
    /**
     * 设置指定 key 的值
     * @param key
     * @param value
     */
    set(key: string, value: any): void;
    /**
     * 批量设值，set 的对象版本
     * @param config
     */
    setConfig(config: {
        [key: string]: any;
    }): void;
    /**
     * if engineOptions.strictPluginMode === true, only accept propertied predefined in EngineOptions.
     *
     * @param {IPublicTypeEngineOptions} engineOptions
     */
    setEngineOptions(engineOptions: IPublicTypeEngineOptions): void;
    /**
     * 获取指定 key 的值，若此时还未赋值，则等待，若已有值，则直接返回值
     *  注：此函数返回 Promise 实例，只会执行（fullfill）一次
     * @param key
     * @returns
     */
    onceGot(key: string): Promise<any>;
    /**
     * 获取指定 key 的值，函数回调模式，若多次被赋值，回调会被多次调用
     * @param key
     * @param fn
     * @returns
     */
    onGot(key: string, fn: (data: any) => void): () => void;
    notifyGot(key: string): void;
    setWait(key: string, resolve: (data: any) => void, once?: boolean): void;
    delWait(key: string, fn: any): void;
    getPreference(): IPublicModelPreference;
}
export declare const engineConfig: EngineConfig;