func (l *localLocker) DupLockMap() localLockMap {
	defer l.getMutex()()

	lockCopy := make(map[string][]lockRequesterInfo, len(l.lockMap))
	for k, v := range l.lockMap {
		if len(v) == 0 {
			delete(l.lockMap, k)
			continue
		}
		lockCopy[k] = append(make([]lockRequesterInfo, 0, len(v)), v...)
	}
	return lockCopy
}

func (l *localLocker) Close() error {
	return nil
}