func (config *TierConfigMgr) Edit(ctx context.Context, tierName string, creds madmin.TierCreds) error {
	config.Lock()
	defer config.Unlock()

	// check if tier by this name exists
	tierType, exists := config.isTierNameInUse(tierName)
	if !exists {
		return errTierNotFound
	}

	cfg := config.Tiers[tierName]
	switch tierType {
	case madmin.S3:
		if creds.AWSRole {
			cfg.S3.AWSRole = true
		}

        if (opLambda != null) {
            opLambda.callback(builder);
        }
    }

    public void setCreatedAt_Exists() {
        setCreatedAt_Exists(null);
    }

    public void setCreatedAt_Exists(ConditionOptionCall<ExistsQueryBuilder> opLambda) {
        ExistsQueryBuilder builder = regExistsQ("createdAt");
        if (opLambda != null) {

        if (opLambda != null) {
            opLambda.callback(builder);
        }
    }

    public void setCrawlingInfoId_Exists() {
        setCrawlingInfoId_Exists(null);
    }

    public void setCrawlingInfoId_Exists(ConditionOptionCall<ExistsQueryBuilder> opLambda) {
        ExistsQueryBuilder builder = regExistsQ("crawlingInfoId");
        if (opLambda != null) {

		// the directory.
		bindDN, err := l.LDAP.LookupUserDN(conn, username)
		if err != nil {
			if strings.Contains(err.Error(), "User DN not found for") {
				return "", nil
			}
			return "", fmt.Errorf("Unable to find user DN: %w", err)
		}
		return bindDN, nil
	}

	// Since the username parses as a valid DN, check that it exists and is

                        getLogger().debug(metadata + " could not be found on repository: " + repository.getId());

                        // delete the local copy so the old details aren't used.
                        if (file.exists()) {
                            if (!file.delete()) {
                                // sleep for 10ms just in case this is windows holding a file lock
                                try {

        // No project, but most certainly a dependency which has been built previously
        File packagedArtifactFile = findInProjectLocalRepository(artifact);
        if (packagedArtifactFile != null && packagedArtifactFile.exists()) {
            return packagedArtifactFile;
        }

        return null;
    }

    public List<String> findVersions(Artifact artifact) {
        List<String> versions = getProjects()

        ArtifactRepository repo = createStringRepo();

        assertThrows(ResourceDoesNotExistException.class, () -> wagonManager.getArtifact(artifact, repo, null, false));

        assertFalse(artifact.getFile().exists());
    }

    @Test
    void testGetMissingJarForced() throws TransferFailedException, UnsupportedProtocolException, IOException {

        if (opLambda != null) {
            opLambda.callback(builder);
        }
    }

    public void setElevateWordId_Exists() {
        setElevateWordId_Exists(null);
    }

    public void setElevateWordId_Exists(ConditionOptionCall<ExistsQueryBuilder> opLambda) {
        ExistsQueryBuilder builder = regExistsQ("elevateWordId");
        if (opLambda != null) {

        if (opLambda != null) {
            opLambda.callback(builder);
        }
    }

    public void setGidNumber_Exists() {
        setGidNumber_Exists(null);
    }

    public void setGidNumber_Exists(ConditionOptionCall<ExistsQueryBuilder> opLambda) {
        ExistsQueryBuilder builder = regExistsQ("gidNumber");
        if (opLambda != null) {

            if (settingsFile != null) {
                activation.file(ActivationFile.newBuilder()
                        .exists(settingsFile.getExists())
                        .missing(settingsFile.getMissing())
                        .location("exists", toLocation(settingsFile.getLocation("exists")))
                        .location("missing", toLocation(settingsFile.getLocation("missing")))
                        .build());