void testJoinWithMixedCharSequenceTypes() {
        String str = "string";
        StringBuilder builder = new StringBuilder("builder");
        StringBuffer buffer = new StringBuffer("buffer");
        String result = StringUtil.join(",", str, builder, buffer);
        assertEquals("string,builder,buffer", result);
    }

    @ParameterizedTest

        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);

		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"},

                  @Override
                  protected Multiset<String> create(String[] elements) {
                    Multiset<String> result = TreeMultiset.create(NullsBeforeB.INSTANCE);
                    Collections.addAll(result, elements);
                    return result;
                  }

                  @Override
                  public List<String> order(List<String> insertionOrder) {

     */
    default void putResultDataWithTemplate(final Map<String, Object> dataMap, final String key, final Object value, final String template,
            final String scriptType) {
        Object target = value;
        if (template != null) {
            final Map<String, Object> contextMap = new HashMap<>();
            contextMap.put("doc", dataMap);
            final Map<String, Object> paramMap = new HashMap<>(dataMap.size() + 2);

            return 0;
        }

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

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

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

        @Override

    @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();

     * @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) {

    /** 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 */

     * 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;