RelatedQuery entity = createRelatedQuery("term", new String[] { "query" }, "");
        String key = relatedQueryHelper.getHostKey(entity);
        assertEquals("", key);
    }

    public void test_getHostKey_nullVirtualHost() {
        RelatedQuery entity = createRelatedQuery("term", new String[] { "query" }, null);
        String key = relatedQueryHelper.getHostKey(entity);
        assertEquals("", key);

          {new MapRetrievalCache<String, String>(new HashMap<String, String>())},
          {new MapRetrievalCache<String, String>(new TreeMap<String, String>(nullsLast))}
        });
  }

  @Before
  public void init() {
    mapCache.clear();
  }

  @Test
  public void testKeySetIterator() {
    mapCache.put("A", "A_value");

		name     string
		metadata map[string]string
		keys     []string
		want     map[string]string
	}{
		{
			name:     "1",
			metadata: map[string]string{"content-type": "application/octet-stream", "etag": "de75a98baf2c6aef435b57dd0fc33c86", "x-amz-storage-class": "STANDARD", "md5": "abcde"},
			keys:     []string{"etag", "md5"},
			want:     map[string]string{"content-type": "application/octet-stream", "x-amz-storage-class": "STANDARD"},

            return 0;
        }

        @Override
        public String toDisplayString() {
            return getDomainName() + "\\" + getAccountName();
        }

        @Override
        public String getAccountName() {
            return "Test User";
        }

        @Override
        public String getDomainName() {
            return "WORKGROUP";
        }

        @Override

     * Retrieves a setting value as a String.
     * @param key The key of the setting.
     * @param defaultValue The default value if the setting is not found.
     * @return The setting value as a String.
     */
    public String getAsString(final String key, final String defaultValue) {
        final Object obj = get(key);

        final String value;
        if (obj == null) {
            value = defaultValue;

     * @throws PACDecodingException if validation fails
     */
    public String check(final String string) throws PACDecodingException {
        if (this.pointer == 0 && string != null) {
            throw new PACDecodingException("Non-empty string");
        }

        final int expected = this.length / 2;
        if (string.length() != expected) {

    @Override
    public String getUserId() {
        return DocumentUtil.getValue(attributes, "email", String.class);
    }

    /**
     * Gets the user groups.
     *
     * @return the user groups
     */
    public String[] getUserGroups() {
        String[] userGroups = DocumentUtil.getValue(attributes, "groups", String[].class);
        if (userGroups == null) {
            userGroups = getDefaultGroupsAsArray();

            }

            final Set<String> matchedLabelSet = labelTypeHelper.getMatchedLabelValueSet(url);
            if (!matchedLabelSet.isEmpty()) {
                final Set<String> newLabelSet = new HashSet<>();
                final String[] oldLabels = (String[]) dataMap.get(fessConfig.getIndexFieldLabel());
                if (oldLabels != null) {
                    for (String label : oldLabels) {

	ChecksumCRC32C    string `xml:"ChecksumCRC32C,omitempty"`
	ChecksumSHA1      string `xml:"ChecksumSHA1,omitempty"`
	ChecksumSHA256    string `xml:"ChecksumSHA256,omitempty"`
	ChecksumCRC64NVME string `xml:",omitempty"`
}

// DeleteError structure.
type DeleteError struct {
	Code      string
	Message   string
	Key       string
	VersionID string `xml:"VersionId"`
}

    /** createdBy */
    protected String createdBy;

    /** createdTime */
    protected Long createdTime;

    /** excludedPaths */
    protected String excludedPaths;

    /** includedPaths */
    protected String includedPaths;

    /** name */
    protected String name;

    /** permissions */
    protected String[] permissions;

    /** sortOrder */