STSCredential: &madmin.SRSTSCredential{
			AccessKey:    cred.AccessKey,
			SecretKey:    cred.SecretKey,
			SessionToken: cred.SessionToken,
			ParentUser:   cred.ParentUser,
		},
		UpdatedAt: updatedAt,
	}))

	ldapIdentityResponse := &AssumeRoleWithLDAPResponse{
		Result: LDAPIdentityResult{
			Credentials: cred,
		},
	}

    }

    public Stream<BuildStep> allPredecessors() {
        return preds(new HashSet<>()).stream();
    }

    private Set<BuildStep> preds(Set<BuildStep> preds) {
        if (preds.add(this)) {
            this.predecessors.forEach(n -> n.preds(preds));
        }
        return preds;
    }

    public boolean isSuccessorOf(BuildStep step) {

	return nil
}

// Returns access credentials in the request Authorization header.
func getReqAccessCred(r *http.Request, region string) (cred auth.Credentials) {
	cred, _, _ = getReqAccessKeyV4(r, region, serviceS3)
	if cred.AccessKey == "" {
		cred, _, _ = getReqAccessKeyV2(r)
	}
	return cred
}

// Extract request params to be sent with event notification.
func extractReqParams(r *http.Request) map[string]string {

		if !globalIAMSys.IsAllowed(policy.Args{
			AccountName:     cred.AccessKey,
			Groups:          cred.Groups,
			Action:          policy.PutObjectFanOutAction,
			ConditionValues: getConditionValues(r, "", cred),
			BucketName:      bucket,
			ObjectName:      object,
			IsOwner:         globalActiveCred.AccessKey == cred.AccessKey,
			Claims:          cred.Claims,
		}) {

				Type: madmin.SRIAMItemSTSAcc,
				STSCredential: &madmin.SRSTSCredential{
					AccessKey:    cred.AccessKey,
					SecretKey:    cred.SecretKey,
					SessionToken: cred.SessionToken,
					ParentUser:   cred.ParentUser,
				},
				UpdatedAt: updatedAt,
			}))

			mcreds = credentials.NewStaticV4(cred.AccessKey, cred.SecretKey, cred.SessionToken)
		} else {

                    }
                }

            } else if (cred instanceof byte[]) {
                this.blob = (byte[]) cred;
            } else {
                throw new SmbException("Unsupported credential type " + (cred != null ? cred.getClass() : "NULL"));
            }
        } else if (server.security == SmbConstants.SECURITY_SHARE) {
            if (!(cred instanceof final NtlmPasswordAuthenticator a)) {

    }

    protected Stream<BuildStep> nonEmptyPredecessors(BuildStep step) {
        HashSet<BuildStep> preds = new HashSet<>();
        nonEmptyPredecessors(step, preds, new HashSet<>());
        return preds.stream();
    }

    private void nonEmptyPredecessors(BuildStep step, Set<BuildStep> preds, Set<BuildStep> visited) {
        if (visited.add(step)) {
            step.predecessors.forEach(ch -> {

        final String pref = ComponentUtil.getFessConfig().getQueryJsonDefaultPreference();
        if (PREFERENCE_QUERY.equals(pref)) {
            return Integer.toString(query.hashCode());
        }
        if (StringUtil.isNotBlank(pref)) {
            return pref;
        }
        return null;
    }

    /**

	ctx := r.Context()

	objectAPI, cred := validateAdminReq(ctx, w, r, policy.ConfigUpdateAdminAction)
	if objectAPI == nil {
		return
	}

	if r.ContentLength > maxEConfigJSONSize || r.ContentLength == -1 {
		// More than maxConfigSize bytes were available
		writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrAdminConfigTooLarge), r.URL)
		return
	}

	password := cred.SecretKey

	}
	// Save access key id.
	cred := credentialHeader{
		accessKey: accessKey,
	}
	credElements = credElements[len(credElements)-4:]
	var e error
	cred.scope.date, e = time.Parse(yyyymmdd, credElements[0])
	if e != nil {
		return ch, ErrMalformedCredentialDate
	}

	cred.scope.region = credElements[1]
	// Verify if region is valid.
	sRegion := cred.scope.region