if !sys.Initialized() {
		return auth.Credentials{}, time.Time{}, errServerNotInitialized
	}

	if parentUser == "" {
		return auth.Credentials{}, time.Time{}, errInvalidArgument
	}

	if len(opts.accessKey) > 0 && len(opts.secretKey) == 0 {
		return auth.Credentials{}, time.Time{}, auth.ErrNoSecretKeyWithAccessKey
	}

            RemoteRepository repo = RepositoryUtils.toRepo(repository);
            org.eclipse.aether.repository.Authentication auth = selector.getAuthentication(repo);
            if (auth != null) {
                repo = new RemoteRepository.Builder(repo)
                        .setAuthentication(auth)
                        .build();
                AuthenticationContext authCtx = AuthenticationContext.forRepository(null, repo);

		return updatedAt, errIAMActionNotAllowed
	}

	uinfo := newUserIdentity(auth.Credentials{
		AccessKey: accessKey,
		SecretKey: cred.SecretKey,
		Status: func() string {
			switch string(status) {
			case string(madmin.AccountEnabled), string(auth.AccountOn):
				return auth.AccountOn
			}
			return auth.AccountOff
		}(),
	})

		return ErrSTSAccessDenied
	}
}

func checkAssumeRoleAuth(ctx context.Context, r *http.Request) (auth.Credentials, APIErrorCode) {
	if !isRequestSignatureV4(r) {
		return auth.Credentials{}, ErrAccessDenied
	}

	s3Err := isReqAuthenticated(ctx, r, globalSite.Region, serviceSTS)
	if s3Err != ErrNone {
		return auth.Credentials{}, s3Err
	}

	user, _, s3Err := getReqAccessKeyV4(r, globalSite.Region, serviceSTS)

        Authentication result = null;
        if (auth != null) {
            AuthenticationBuilder authBuilder = new AuthenticationBuilder();
            authBuilder.addUsername(auth.getUsername()).addPassword(auth.getPassword());
            authBuilder.addPrivateKey(auth.getPrivateKey(), auth.getPassphrase());
            result = authBuilder.build();
        }

import org.lastaflute.web.response.HtmlResponse;
import org.lastaflute.web.util.LaRequestUtil;

import com.google.api.client.auth.oauth2.AuthorizationCodeRequestUrl;
import com.google.api.client.auth.oauth2.AuthorizationCodeTokenRequest;
import com.google.api.client.auth.oauth2.TokenResponse;
import com.google.api.client.http.GenericUrl;
import com.google.api.client.http.HttpTransport;

	return &PolicySys{}
}

func getSTSConditionValues(r *http.Request, lc string, cred auth.Credentials) map[string][]string {
	m := make(map[string][]string)
	if d := r.Form.Get("DurationSeconds"); d != "" {
		m["DurationSeconds"] = []string{d}
	}
	return m
}

func getConditionValues(r *http.Request, lc string, cred auth.Credentials) map[string][]string {
	currTime := UTCNow()

	var (
		username = cred.AccessKey

		},
		config.HelpKV{
			Key:         target.WebhookClientCert,
			Description: "client cert for Webhook mTLS auth",
			Optional:    true,
			Type:        "string",
			Sensitive:   true,
		},
		config.HelpKV{
			Key:         target.WebhookClientKey,
			Description: "client cert key for Webhook mTLS auth",
			Optional:    true,
			Type:        "string",
			Sensitive:   true,
		},
	}

	HelpAMQP = config.HelpKVS{

	// Get current object layer instance.
	objectAPI := newObjectLayerFn()
	if objectAPI == nil || globalNotificationSys == nil {
		writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrServerNotInitialized), r.URL)
		return nil, auth.Credentials{}
	}

	for _, action := range actions {
		// Validate request signature.

      }
    }
  }

  @ExperimentalOkHttpApi
  companion object {
    private const val CLIENT_AUTH_NONE = 0
    private const val CLIENT_AUTH_REQUESTED = 1
    private const val CLIENT_AUTH_REQUIRED = 2

    private val UNTRUSTED_TRUST_MANAGER =
      object : X509TrustManager {
        @Throws(CertificateException::class)