code: public void setRoleMap(String roleName, List<String> mList, boolean omission) {
          if (tc.isDebugEnabled())
              Tr.debug(tc, "Setting rolemap with omission");
          setMethodsAttribute(mList, omission, ROLE, roleName);
          if (omission) {
              unchkResourceForOmissionList = updateList(unchkResourceForOmissionList, mList);
          }
          return;
      }
docs: if omission is true, put the item to omission list.