hashedChunk := hex.EncodeToString(cr.chunkSHA256Writer.Sum(nil))

	// Calculate string to sign.
	alg := signV4ChunkedAlgorithm + "\n"
	stringToSign := alg +
		cr.seedDate.Format(iso8601Format) + "\n" +
		getScope(cr.seedDate, cr.region) + "\n" +
		cr.seedSignature + "\n" +
		emptySHA256 + "\n" +
		hashedChunk

	// Get hmac signing key.
	signingKey := getSigningKey(cr.cred.SecretKey, cr.seedDate, cr.region, serviceS3)

            exclusions.add(convert(exclusion));
        }

        return new Dependency(
                artifact,
                dependency.getScope(),
                dependency.getOptional() != null ? dependency.isOptional() : null,
                exclusions);
    }

    private Exclusion convert(org.apache.maven.model.Exclusion exclusion) {

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)
}

	close(ch)
	for result := range ch {
		if result.err != nil {
			return fmt.Errorf("failed updating Scope %s: %v", result.scopeName, result.err)
		}
	}
	return nil
}

func (c *ControlzClient) GetScope(scope string) (*ScopeInfo, error) {
	var s ScopeInfo
	resp, err := http.Get(c.baseURL.String() + "/" + scope)
	if err != nil {
		return &s, err
	}
	defer resp.Body.Close()

        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();
    }

                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()) {

            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);

	public final fun removeHeader (Ljava/lang/String;)Lmockwebserver3/MockResponse$Builder;
	public final fun setBody (Lmockwebserver3/MockResponseBody;)V
	public final fun setCode (I)V
	public final fun setHeader (Ljava/lang/String;Ljava/lang/Object;)Lmockwebserver3/MockResponse$Builder;
	public final fun setSocketPolicy (Lmockwebserver3/SocketPolicy;)V
	public final fun setStatus (Ljava/lang/String;)V

	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)