static RequestMeta convert(DeleteMeta deleteMeta) {
if(deleteMeta == null) {
return null;
}
RequestMeta rm = convert(new FetchMeta(deleteMeta.getR(), deleteMeta.getPr(), null, null, null, null, null,
null));
if (deleteMeta.hasW()) {
if (deleteMeta.getW().isSymbolic())
rm.setQueryParam(Constants.QP_W, deleteMeta.getW().getName());