code: public CmsLockFilter filterOwnedByUserId(CmsUUID userId) {
  
          CmsLockFilter filter = (CmsLockFilter)clone();
          filter.m_ownedByUserId = userId;
          return filter;
      }
docs: Returns an extended filter with the given user restriction.<p>
  
  @param userId the user id to filter
  
  @return an extended filter with the given user restriction