import { Cache } from "../../models/Cache.model";
import MemcachedClient from "memcached";
export declare class Memcached implements Cache {
    readonly lifetime: number;
    private client;
    constructor(host?: string, port?: number, lifetime?: number, options?: MemcachedClient.options);
    read(key: string): Promise<string | null>;
    write(key: string, value: string): Promise<void>;
    flush(): Promise<void>;
    close(): void;
}