code: public ChaiGroup newChaiGroup( final String groupDN )
              throws ChaiUnavailableException
      {
          final VendorFactory entryFactory = getChaiProvider().getDirectoryVendor().getVendorFactory();
          return entryFactory.newChaiGroup( groupDN, getChaiProvider() );
      }
docs: Returns a {@code ChaiGroup} instance representing the supplied <i>groupDN</i>.
  
  @param groupDN A valid ldap entry DN (Distinguished Name) of an entry
  @return A valid {@code ChaiGroup}
  @throws ChaiUnavailableException If the directory server(s) are unavailable