}
    }


    @Test
    public void testGetGroup () throws IOException {
        try ( SmbResource f = getDefaultShareRoot() ) {
            try {
                jcifs.SID security = f.getOwnerGroup();
                assertNotNull(security);
            }
            catch ( SmbUnsupportedOperationException e ) {
                Assume.assumeTrue("No Ntsmbs", false);
            }
        }
    }

     * @throws IOException
     */
    SID getOwnerGroup () throws IOException;


    /**
     * Return the owner group SID for this file or directory
     * 
     * @param resolve
     *            whether to resolve the group name
     * @return the owner group SID, <code>null</code> if not present
     * @throws IOException
     */
    SID getOwnerGroup ( boolean resolve ) throws IOException;

            }
            return ownerUser;
        }
    }


    @Override
    public SID getOwnerGroup () throws IOException {
        return getOwnerGroup(true);
    }


    @Override
    public SID getOwnerGroup ( boolean resolve ) throws IOException {
        try ( SmbTreeHandleImpl th = ensureTreeConnected() ) {

        close(f, 0L);

        response.securityDescriptor.owner_user.resolve(getServerWithDfs(), auth);
        return response.securityDescriptor.owner_user;
    }

    public SID getOwnerGroup() throws IOException {

        int f = open0(O_RDONLY, READ_CONTROL, 0, isDirectory() ? 1 : 0);

        /*
         * NtTrans Query Security Desc Request / Response
         */