import Cache, { CacheOptions } from './';
export declare class Adapter {
    cache: Cache;
    private interval?;
    /**
     * Init the hybrid-disk-cache adapter
     *
     * @param conf the cache's config, with defaults:
     *  - ttl=3600
     *  - tbd=3600
     *  - path=$TMPDIR/hdc
     * @returns the hdc cache instance
     */
    constructor(conf?: CacheOptions);
    init(): Promise<Cache>;
    /**
     * Stop the purge timer
     */
    shutdown(): Promise<void>;
    private initPurgeTimer;
}