i.set(SystemItem.SIGNAL_MEMORY);
i.setChild(SystemItem.SIGNAL_MEMORY, getChild(SystemItem.SIGNAL_MEMORY));
    public Item createChild(String n) throws Exception {        Item i = super.createChild(n);        if (i != null) {            java.lang.System.out.println("INFO: Connect child to signal memory.");            i.set(SystemItem.SIGNAL_MEMORY);        }        return i;    }