code: public Set<CmsGroup> getRoleGroups(CmsDbContext dbc, String roleGroupName, boolean directUsersOnly)
      throws CmsException {
  
          return getRoleGroupsImpl(dbc, roleGroupName, directUsersOnly, new HashMap<String, Set<CmsGroup>>());
      }
docs: Collects the groups which constitute a given role.<p>
  
  @param dbc the database context
  @param roleGroupName the group related to the role
  @param directUsersOnly if true, only the group belonging to the entry itself wil
  
  @return the set of groups which constitute the role
  
  @throws CmsException if something goes wrong