code: public void deleteGroup(CmsUUID groupId, CmsUUID replacementId) throws CmsException {
  
          m_securityManager.deleteGroup(m_context, groupId, replacementId);
      }
docs: Deletes a group, where all permissions, users and children of the group
  are transfered to a replacement group.<p>
  
  @param groupId the id of the group to be deleted
  @param replacementId the id of the group to be transfered, can be <code>null</code>
  
  @throws CmsException if operation was not successful