import { TeMongoDBUnit } from "./mongodb/TeMongodb";
interface ifCacheKeepOption {
    type: 'unknow' | 'file' | 'mongo';
    path?: string | TeMongoDBUnit;
}
export declare class CacheMoudle<T> {
    private static thread;
    private static handle;
    /**5s 检查一次 */
    static init(): Promise<void>;
    /**
     * 创建cache
     * @param name 模块名字 如果没有名字将不支持自动update功能
     * @param ttl 数据有效期 等于0的时候不更新 小于0的时候不计算ttl
     */
    static createCache<T>(name?: string, ttl?: number, keep?: ifCacheKeepOption): CacheMoudle<T>;
    static removeCache(name: string): void;
    static update(): Promise<void>;
    static cacheMap: {
        [key: string]: CacheMoudle<any>;
    };
    valueCache: {
        [roleId: string]: {
            time: number;
            value: T;
        };
    };
    private loader;
    private getfresh;
    ttl: number;
    name: string;
    private constructor();
    init(): Promise<boolean>;
    change: boolean;
    /**
     *
     * @param key
     * @param value 内容
     * @param time 当  ttl 大于等于0时设置的当前时间或者不设置，ttl小于0时设置过期的时间
     */
    set(key: string, value: T, time?: number): Promise<boolean>;
    has(key: string): boolean;
    hasOwnProperty(key: string): boolean;
    get(key: string): T | undefined;
    del(key: string): Promise<any>;
    /**
     * 遍历内容
     * @param cb 当方法返回 true时 结束遍历(break)
     */
    forEach(cb: (value: T, key: string) => boolean | void): T | undefined;
    clear(): void;
    private _update;
}
export {};