store.Lock()
	defer store.Unlock()
	if uint64(len(store.entries)) >= store.entryLimit {
		return errLimitExceeded
	}
	// Generate a new UUID for the key.
	key, err := uuid.NewRandom()
	if err != nil {
		return err
	}
	return store.multiWrite(key.String(), item)
}

// multiWrite - writes an item to the directory.
func (store *QueueStore[I]) multiWrite(key string, item []I) error {