* as a file or directory from a {@code URL} object.
     *
     * @param   url The URL of the target resource
     */
    public SmbFile(final URL url) {
        this(url, new NtlmPasswordAuthentication(url.getUserInfo()));
    }

    /**
     * Constructs an SmbFile representing a resource on an SMB network such
     * as a file or directory from a {@code URL} object and an
     * {@code NtlmPasswordAuthentication} object.

	if change == nil {
		return errSRInvalidRequest(errInvalidArgument)
	}
	// skip overwrite of local update if peer sent stale info
	if !updatedAt.IsZero() {
		if ui, err := globalIAMSys.GetUserInfo(ctx, change.AccessKey); err == nil && ui.UpdatedAt.After(updatedAt) {
			return nil
		}
	}

	var err error
	if change.IsDeleteReq {
		err = globalIAMSys.DeleteUser(ctx, change.AccessKey, true)

    public SmbFile(final URL url) throws MalformedURLException {
        this(url, SingletonContext.getInstance()
                .withCredentials(new NtlmPasswordAuthentication(SingletonContext.getInstance(), url.getUserInfo())));
    }

    /**
     * Constructs an SmbFile representing a resource on an SMB network such
     * as a file or directory. The second parameter is a relative path from