code: function ExpiresDecorator(cache, config) {
    BaseDecorator.call(this, cache, config, joi.object().keys({
      expiresIn: joi.number().integer().min(0).default(Infinity),
      staleIn: joi.number().integer().min(0).default(Infinity)
    }));
    this.on('set:after', this.setCreatedAt.bind(this));
    this._store = this._getStore();
  }
docs: Expire Redis-backed cache
  
  @param {Cache} cache
  @param {Object} [config]
  @param {String} [config.expiresIn] in ms
  @param {String} [config.staleIn] in ms