code: func (c *MemoryGroupService) GroupRemoveAll(ctx context.Context, groupName string) error {
  	memoryGroupsMu.Lock()
  	defer memoryGroupsMu.Unlock()
  
  	mg, ok := memoryGroups[groupName]
  	if !ok {
  		return constants.ErrGroupNotFound
  	}
  
  	mg.Uids = []string{}
  	return nil
  }
docs: // GroupRemoveAll clears all UIDs from group