import LRU from 'lru-cache';
import { FutureResolveType } from '../common/helpers';
export declare class CacheManager {
    static cache: LRU<string, any>;
    static shortCache: LRU<string, any>;
    /**
     * 缓存工具，将 resolver 的结果按 ttl: [seconds] 保存在内存中，默认过期为 60 min
     * @param key
     * @param resolver
     * @param seconds
     */
    static cacheable<T>(key: any, resolver: FutureResolveType<T>, seconds?: number): Promise<T>;
    static set(key: any, value: any, ttl?: number): void;
    static get<T = any>(key: any): T;
    static clearAll(): void;
    static clear(key: any): Promise<void>;
}
export declare function Cacheable(options: {
    type?: 'default' | 'short';
    key: string;
}): (target: any, propertyKey: string, descriptor: PropertyDescriptor) => void;