}
            tree.treeConnect(null, null);
        }
    }

    /**
     * It is not necessary to call this method directly. This is the
     * {@code URLConnection} implementation of {@code connect()}.
     */
    @Override
    public void connect() throws IOException {
        if (isConnected() && tree.session.transport.tconHostName == null) {

     */

    @Override
    public String toString() {
        return Strings.maskSecretValue(url.toString());
    }

    /* URLConnection implementation */
    /**
     * This URLConnection method just returns the result of {@code length()}.
     *
     * @return the length of this file or 0 if it refers to a directory
     */
    @Deprecated