((IBankDriver) driver).checkAndPutPatch(this, singlePatch, patchNum);
((BankDriver) driver).checkAndPutPatch(this, singlePatch, patchNum);
    public final void put(IPatch singlePatch, int patchNum) {        ((IBankDriver) driver).checkAndPutPatch(this, singlePatch, patchNum);    }