* @param id the document ID to update
     * @param field the field name to update
     * @param value the new value for the field
     * @return true if the update was successful, false otherwise
     */
    public boolean updateDocument(final SearchEngineClient searchEngineClient, final String id, final String field, final Object value) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();

        Map<String, String> innerMap = new HashMap<>();
        innerMap.put("inner", "value");
        nestedData.put("nested", innerMap);
        callback.store(params, nestedData);

        assertEquals(4L, callback.getDocumentSize());
    }

    // Helper method to create mock callbacks with preset values
    private IndexUpdateCallback createMockCallback(final long docSize, final long execTime) {

     * combiner function to the corresponding values of the properties that are true.
     *
     * @param flags The map of boolean properties mapped to their values.
     * @param combiner The function to combine the values of the true properties.
     *
     * @return A provider of the reduced value. Non-present if no properties are true.
     */

Rt(de.beforeSanitizeAttributes,e,null);const{attributes:t}=e;if(!t||Nt(e))return;const n={attrName:"",attrValue:"",keepAttr:!0,allowedAttributes:Re,forceKeepAttr:void 0};let r=t.length;for(;r--;){const i=t[r],{name:a,namespaceURI:l,value:c}=i,s=ft(a),m=c;let f="value"===a?m:A(m);if(n.attrName=s,n.attrValue=f,n.keepAttr=!0,n.forceKeepAttr=void 0,Rt(de.uponSanitizeAttribute,e,n),f=n.attrValue,!je||"id"!==s&&"name"!==s||(_t(a,e),f="user-content-"+f),ze&&b(/((--!?|])>)|<\/(style|script|title|xmp|tex...

            public void setHeader(String name, String value) {
                List<String> values = new ArrayList<>();
                values.add(value);
                responseHeaders.put(name, values);
            }

            @Override
            public void addHeader(String name, String value) {
                responseHeaders.computeIfAbsent(name, k -> new ArrayList<>()).add(value);
            }

            @Override

            final String[] values = entry.getValue().split(",");
            for (final String value : values) {
                putResultDataWithTemplate(dataMap, key, metaDataMap.get(value), scriptConfigMap.get(key), scriptType);
            }
        }
        final Map<String, String> valueConfigMap = crawlingConfig.getConfigParameterMap(ConfigName.VALUE);

        final String value = decodeId(id);
        final String[] values = split(value, "/").get(stream -> stream.filter(StringUtil::isNotEmpty).toArray(n -> new String[n]));
        if (values.length == 0) {
            // invalid?
            return new PathInfo(StringUtil.EMPTY, StringUtil.EMPTY);
        }
        if (values.length == 1) {

    }

    private static String[] distinct(final String[] values) {
        if (values == null) {
            return StringUtil.EMPTY_STRINGS;
        }
        if (values.length < 2) {
            return values;
        }
        return Arrays.stream(values).distinct().toArray(n -> new String[n]);
    }

     * @param value The group or role name value.
     * @param useDomainServices Whether to use domain services for group resolution.
     */
    protected void addGroupOrRoleName(final List<String> list, final String value, final boolean useDomainServices) {
        list.add(value);
        if (useDomainServices && value.indexOf('@') >= 0) {
            final String[] values = value.split("@");

    }

    /**
     * Represents a field facet with its name and value counts.
     * Each field facet contains multiple values with their respective document counts.
     */
    public static class Field {
        /**
         * Map containing field values and their document counts.
         * Keys are field values as strings, values are document counts.
         */