// isDir returns if the entry is representing a prefix directory.
func (e metaCacheEntry) isDir() bool {
	return len(e.metadata) == 0 && strings.HasSuffix(e.name, slashSeparator)
}

// isObject returns if the entry is representing an object.
func (e metaCacheEntry) isObject() bool {
	return len(e.metadata) > 0
}

// isObjectDir returns if the entry is representing an object/
func (e metaCacheEntry) isObjectDir() bool {

	if !next.hasPrefix(prefix) {
		return metaCacheEntriesSorted{}, io.EOF
	}

	if r.current.name != "" {
		if (inclDeleted || !r.current.isLatestDeletemarker()) && r.current.hasPrefix(prefix) && (inclDirs || r.current.isObject()) {
			res = append(res, r.current)
		}
		r.current.name = ""
		r.current.metadata = nil
	}

	for n < 0 || len(res) < n {
		if more, err := r.mr.ReadBool(); !more {
			switch err {
			case nil:

		return true
	}
	if !o.Recursive && !entry.isInDir(o.Prefix, o.Separator) {
		return true
	}
	if !o.InclDeleted && entry.isObject() && entry.isLatestDeletemarker() && !entry.isObjectDir() {
		return true
	}
	if o.Lifecycle != nil || o.Replication.Config != nil {
		return triggerExpiryAndRepl(ctx, *o, entry)
	}
	return false
}

					return true
				default:
					return false
				}
			}

			var versionsFound int
			if err = set.listObjectsToDecommission(ctx, bi, func(entry metaCacheEntry) {
				if !entry.isObject() {
					return
				}

				// `.usage-cache.bin` still exists, must be not readable ignore it.
				if bi.Name == minioMetaBucket && strings.Contains(entry.name, dataUsageCacheName) {

        @DisplayName("getUserDomain: derives from KerberosPrincipal in Subject")
        void getUserDomain_fromSubjectPrincipal() {
            Subject subject = new Subject();
            Principal kp = new KerberosPrincipal("******@****.***");
            subject.getPrincipals().add(kp);

            Kerb5Authenticator auth = new Kerb5Authenticator(subject);
            assertEquals("EXAMPLE.COM", auth.getUserDomain());
        }

        private final boolean guest;
        private final Subject subject;
        private final boolean failOnRefresh;

        TestCredentials(String domain, boolean anonymous, boolean guest, Subject subject, boolean failOnRefresh) {
            this.domain = domain;
            this.anonymous = anonymous;
            this.guest = guest;
            this.subject = subject;
            this.failOnRefresh = failOnRefresh;
        }

        }
    }

    private static class MockSMailPostingDiscloser implements SMailPostingDiscloser {
        private String subject;
        private String plainText;

        public void setSubject(String subject) {
            this.subject = subject;
        }

        public void setPlainText(String plainText) {
            this.plainText = plainText;
        }

        @Override

        Subject presetSubject = new Subject();
        orig.setSubject(presetSubject);

        // Try to get a Subject, but handle the case where JAAS may not be configured
        Subject first = orig.getSubject();
        // In test environments, getSubject() may return null if JAAS is not configured
        // This is acceptable behavior - the test should focus on the cloning logic

        // Clone and verify basic fields copied

            throw new SmbException("Context setup failed", e);
        }
    }

    /**
     * Set the Kerberos subject
     *
     * @param subject
     *            the subject to set
     */
    protected void setSubject(Subject subject) {
        this.subject = subject;
    }

    @Override
    public void refresh() throws CIFSException {

      }

    fun build(): HeldCertificate {
      // Subject keys & identity.
      val subjectKeyPair = keyPair ?: generateKeyPair()
      val subjectPublicKeyInfo =
        CertificateAdapters.subjectPublicKeyInfo.fromDer(
          subjectKeyPair.public.encoded.toByteString(),
        )
      val subject: List<List<AttributeTypeAndValue>> = subject()