.of(stream -> stream.filter(StringUtil::isNotBlank).forEach(s -> {
                    final String[] values = StringUtils.split(s, "=", 2);
                    if (values.length == 2) {
                        mimetypeMap.put(values[0], values[1]);
                    }
                }));
        if (logger.isDebugEnabled()) {
            logger.debug("loaded filetype: {}", mimetypeMap);

    protected void checkEsInvalidAggregation(String name, Object value) {
        if (value == null || (value instanceof String && ((String) value).isEmpty())) {
            String msg = "Cannot register null or empty aggregation: name=" + name + " value=" + value;
            throw new InvalidQueryRegisteredException(msg);
        }
    }

                field.setAccessible(true);
                String value = (String) field.get(null);
                assertFalse("Duplicate value found: " + value + " for field: " + field.getName(), values.contains(value));
                values.add(value);
            }
        }
    }

    /**
     * Test specific label constants exist and have correct values
     */
    @Test
    public void test_specificLabelConstants() {

        }
        final int[] values = new int[2];
        values[0] = Integer.parseInt(froms[0]);
        if (values[0] < 0 || values[0] > 23) {
            throw new FessSystemException("Invalid hour value: " + values[0] + " in time: " + time + ". Hour must be between 0 and 23");
        }
        values[1] = Integer.parseInt(froms[1]);
        if (values[1] < 0 || values[1] > 59) {

     *
     * @param q the query string to escape
     * @param values the characters to escape
     * @return the escaped query string
     */
    protected String escape(final String q, final String... values) {
        String value = q;
        for (final String s : values) {
            value = value.replace(s, "\\" + s);
        }
        return value;
    }

    /**

     *
     * @param value the value whose presence in this map is to be tested
     * @return true if this map maps one or more keys to the specified value
     */
    @Override
    public boolean containsValue(final Object value) {
        return parent.containsValue(value);
    }

    /**
     * Returns the value to which the specified key is mapped.
     *

        if (value == null || (value instanceof String && ((String) value).isEmpty())) {
            String msg = "Cannot register null or empty query: name=" + name + " value=" + value;
            throw new InvalidQueryRegisteredException(msg);
        }
    }

    protected void checkEsInvalidQueryCollection(String name, Collection<?> values) {

        if (value == null || (value instanceof String && ((String) value).isEmpty())) {
            String msg = "Cannot register null or empty query: name=" + name + " value=" + value;
            throw new InvalidQueryRegisteredException(msg);
        }
    }

    protected void checkEsInvalidQueryCollection(String name, Collection<?> values) {

            }

            final Object value = entry.getValue();
            if (value instanceof Collection) {
                for (final Object item : (Collection<?>) value) {
                    html.append("<meta name=\"fess:")
                            .append(escapeHtml(field))
                            .append("\" content=\"")
                            .append(escapeHtml(String.valueOf(item)))

        </publishing>
        <values>
            <value>
                <name>PartOf</name>
                <value>QuickFeedbackLinuxOnly</value>
            </value>
            <value>
                <name>PartOf</name>
                <value>QuickFeedback</value>
            </value>
            <value>
                <name>PartOf</name>
                <value>PullRequestFeedback</value>
            </value>