IDataMapAccessor dataMapAccessor = engine.getDataMapAccessor(null, "clientData", false); if (dataMapAccessor == null) { return null; }
    public final String removeClientData(String name) {        IDataMapAccessor dataMapAccessor = engine.getDataMapAccessor(null,                "clientData", false);        if (dataMapAccessor == null) {            return null;        }        return (String) dataMapAccessor.removeData(name, null);    }