*/
    public boolean delete(final String index, final String id, final Number seqNo, final Number primaryTerm) {
        try {
            final DeleteRequestBuilder builder = client.prepareDelete().setIndex(index).setId(id).setRefreshPolicy(RefreshPolicy.IMMEDIATE);
            if (seqNo != null) {
                builder.setIfSeqNo(seqNo.longValue());
            }
            if (primaryTerm != null) {

                <la:hidden property="crudMode"/>
                <la:hidden property="q"/>
                <c:if test="${crudMode==2}">
                    <la:hidden property="id"/>
                    <la:hidden property="seqNo"/>
                    <la:hidden property="primaryTerm"/>
                </c:if>
                <div class="row">
                    <div class="col-md-12">

        assertNull(form.id);
        assertNull(form.seqNo);
        assertNull(form.primaryTerm);
        assertNull(form.crudMode);

        form.id = "test-id";
        form.seqNo = 1L;
        form.primaryTerm = 1L;
        form.crudMode = CrudMode.EDIT;

        assertEquals("test-id", form.id);
        assertEquals(1L, form.seqNo.longValue());
        assertEquals(1L, form.primaryTerm.longValue());