final List<Map<String, String>> itemList = new ArrayList<>();
        for (final String name : dataStoreNames) {
            final Map<String, String> map = new HashMap<>();
            map.put(Constants.ITEM_LABEL, name);
            map.put(Constants.ITEM_VALUE, name);
            itemList.add(map);
        }
        RenderDataUtil.register(data, "handlerNameItems", itemList);

                first = false;
                appendJsonValue(json, item);
            }
            json.append("]");
        } else if (value instanceof Map) {
            json.append("{");
            boolean first = true;
            for (final Map.Entry<?, ?> entry : ((Map<?, ?>) value).entrySet()) {
                if (!first) {
                    json.append(", ");
                }
                first = false;

package org.codelibs.fess.script;

import java.util.Map;

/**
 * Interface for script engines that can evaluate templates with parameters.
 * This interface provides a contract for different script engine implementations
 * to process template strings with parameter substitution.
 */
public interface ScriptEngine {

    /**
     * Evaluates a template string with the provided parameter map.

        fields.put(key, value);
    }

    @Override
    public Map<String, Object> toSource() {
        final Map<String, Object> sourceMap = super.toSource();
        if (fields != null) {
            sourceMap.putAll(fields);
        }
        return sourceMap;
    }

    @Override
    protected void addFieldToSource(final Map<String, Object> sourceMap, final String field, final Object value) {

    /**
     * Checks if this generator can handle the given document.
     * @param docMap The document map containing metadata.
     * @return True if this generator can handle the document, false otherwise.
     */
    boolean isTarget(Map<String, Object> docMap);

    /**
     * Checks if this thumbnail generator is available for use.
     * @return True if available, false otherwise.

    }

    @Override
    protected Map<String, Object> createTestParam(int id) {
        fail(); // Unreachable
        return null;
    }

    @Override
    protected Map<String, Object> getUpdateMap() {
        fail(); // Unreachable
        return null;
    }

    @Override
    protected void testRead() {
        final Map<String, Object> searchBody = new HashMap<>();

    }

    @Override
    protected Map<String, Object> createTestParam(int id) {
        final Map<String, Object> requestBody = new HashMap<>();
        final String keyProp = NAME_PREFIX + id;
        requestBody.put(KEY_PROPERTY, keyProp);
        return requestBody;
    }

    @Override
    protected Map<String, Object> getUpdateMap() {
        final Map<String, Object> updateMap = new HashMap<>();

    }

    @Override
    protected Map<String, Object> createTestParam(int id) {
        final Map<String, Object> requestBody = new HashMap<>();
        final String keyProp = NAME_PREFIX + id;
        requestBody.put(KEY_PROPERTY, keyProp);
        requestBody.put("boost", id);
        return requestBody;
    }

    @Override
    protected Map<String, Object> getUpdateMap() {

    @Override
    public Model read(File input, Map<String, ?> options) throws IOException {
        Objects.requireNonNull(input, "input cannot be null");

        Model model = read(new FileInputStream(input), options);

        model.setPomFile(input);

        return model;
    }

    @Override
    public Model read(Reader input, Map<String, ?> options) throws IOException {

        assertNotNull(source.get(FieldNames.TIMESTAMP));
    }

    @Test
    public void testFromSource_requiresAllFields() {
        // Create a complete source map with all required fields
        Map<String, Object> source = new HashMap<>();
        source.put(FieldNames.TEXT, "test text");
        source.put(FieldNames.DOC_FREQ, 10L);
        source.put(FieldNames.QUERY_FREQ, 5L);