@Test
    public void testConstructor() {
        assertEquals(directoryPath, entry.getDirectoryPath());
        assertEquals(leaseKey, entry.getLeaseKey());
        assertEquals(DirectoryCacheScope.IMMEDIATE_CHILDREN, entry.getScope());
        assertFalse(entry.isComplete());
        assertFalse(entry.hasChanges());
        assertTrue(entry.getChildren().isEmpty());
    }

    @Test
    public void testUpdateChild() {

type credentialHeader struct {
	accessKey string
	scope     struct {
		date    time.Time
		region  string
		service string
		request string
	}
}

// Return scope string.
func (c credentialHeader) getScope() string {
	return strings.Join([]string{
		c.scope.date.Format(yyyymmdd),
		c.scope.region,
		c.scope.service,
		c.scope.request,
	}, SlashSeparator)
}

                d.getArtifactId(),
                versionRange,
                d.getType(),
                d.getClassifier(),
                d.getScope(),
                d.isOptional());

        if (Artifact.SCOPE_SYSTEM.equals(d.getScope()) && d.getSystemPath() != null) {
            artifact.setFile(new File(d.getSystemPath()));
        }

        if (!d.getExclusions().isEmpty()) {

                d.getArtifactId(),
                versionRange,
                d.getType(),
                d.getClassifier(),
                d.getScope(),
                d.isOptional());

        if (Artifact.SCOPE_SYSTEM.equals(d.getScope()) && d.getSystemPath() != null) {
            artifact.setFile(new File(d.getSystemPath()));
        }

        if (!d.getExclusions().isEmpty()) {

        final String state = UuidUtil.create();
        request.getSession().setAttribute(OIC_STATE, state);
        return new AuthorizationCodeRequestUrl(getOicAuthServerUrl(), getOicClientId())//
                .setScopes(Arrays.asList(getOicScope()))//
                .setResponseTypes(Arrays.asList("code"))//
                .setRedirectUri(getOicRedirectUrl())//
                .setState(state)//
                .build();
    }

            throws ArtifactResolutionException, ArtifactNotFoundException {
        if (artifact == null) {
            return;
        }

        if (Artifact.SCOPE_SYSTEM.equals(artifact.getScope())) {
            File systemFile = artifact.getFile();

            if (systemFile == null) {
                throw new ArtifactNotFoundException("System artifact: " + artifact + " has no file attached", artifact);

	if accessKeyID == "" || secretAccessKey == "" {
		return errors.New("Presign cannot be generated without access and secret keys")
	}

	region := globalSite.Region()
	date := UTCNow()
	scope := getScope(date, region)
	credential := fmt.Sprintf("%s/%s", accessKeyID, scope)

	// Set URL query.
	query := req.URL.Query()
	query.Set("X-Amz-Algorithm", signV4Algorithm)

        for (Iterator<Dependency> it = depMgmt.getDependencies().iterator(); it.hasNext(); ) {
            Dependency dependency = it.next();

            if (!"pom".equals(dependency.getType()) || !"import".equals(dependency.getScope())) {
                continue;
            }

            it.remove();

            String groupId = dependency.getGroupId();
            String artifactId = dependency.getArtifactId();