code: public List<CmsUser> getUsersWithoutAdditionalInfo(
          CmsObject cms,
          I_CmsOuTreeType type,
          String ou,
          boolean recursive)
      throws CmsException {
  
          return CmsPrincipal.filterCoreUsers(
              OpenCms.getOrgUnitManager().getUsersWithoutAdditionalInfo(cms, ou, recursive));
      }
docs: Gets list of users for organizational unit.<p>
  
  @param cms the CMS context
  @param ou the OU path
  @param recursive true if users from other OUs should be retrieved
  
  @return the list of users, without their additional info
  
  @throws CmsException if something goes wrong