code: public CmsVisitEntryFilter filterUser(CmsUUID userId) {
  
          CmsVisitEntryFilter filter = (CmsVisitEntryFilter)clone();
          filter.m_userId = userId;
          return filter;
      }
docs: Returns an extended filter with the given user ID restriction.<p>
  
  @param userId the user ID to filter
  
  @return an extended filter with the given user ID restriction