import { LRUCache } from 'lru-cache';
import BaseCacher from './base';
import Lock from './lock';
import { CacherOptions } from '../../typings/cachers';
import Star from '../star';
export default class MemoryLRUCacher extends BaseCacher {
    cache: LRUCache<string, any>;
    _lock: Lock;
    timer: any;
    clone: (value: any) => any;
    constructor(options: CacherOptions);
    init(star: Star): void;
    close(): Promise<any>;
    get(key: string): Promise<any>;
    delete(key: string | string[]): Promise<any>;
    set(key: string, data: any, ttl?: number | undefined): Promise<any>;
    clean(match?: string | string[]): Promise<any>;
    checkTTL(): void;
    getWithTTL(key: string): Promise<any>;
    lock(key: string, ttl?: number | undefined): Promise<any>;
    tryLock(key: string, ttl?: number | undefined): Promise<any>;
    getCacheKeys(): Promise<any>;
}