import { Cache } from 'cache-manager';
import { CacheService } from './cache.service';
export declare class DefaultCacheService implements CacheService {
    private cacheManager;
    constructor(cacheManager: Cache);
    set(key: string, value: any, expirationTimeInSeconds?: number): Promise<void>;
    get<T>(key: string): Promise<T>;
    del(key: string): Promise<void>;
    keys(pattern?: string): Promise<string[]>;
}