code: func NewStorageOverseer(opts CookieOptions, storer Storer) *StorageOverseer {
  	if len(opts.Name) == 0 {
  		panic("cookie name must be provided")
  	}
  
  	o := &StorageOverseer{
  		Storer:  storer,
  		options: opts,
  	}
  
  	o.resetExpiryMiddleware.resetter = o
  
  	return o
  }
docs: // NewStorageOverseer returns a new storage overseer