}
        return super.getIfNewer(resourceName, destination, timestamp);
    }

    @Override
    public void addTransferListener(TransferListener listener) {
        if (listener instanceof TestTransferListener t) {
            testTransferListener = t;
        }
        super.addTransferListener(listener);
    }

            throw new TransferFailedException("Unsupported Protocol: '" + protocol + "': " + e.getMessage(), e);
        }

        if (downloadMonitor != null) {
            wagon.addTransferListener(downloadMonitor);
        }

        File temp = new File(destination + ".tmp");

        temp.deleteOnExit();

        boolean downloaded = false;

        try {