* @param instance the component instance
         * @param initializer the initializer function (can be null)
         * @param container the container instance for dependency injection
         */
        protected ComponentDef(final T instance, final Consumer<T> initializer, final StandardCrawlerContainer container) {
            this.instance = instance;
            this.initializer = initializer;

     * @param client The OpenSearch client.
     * @param settings The SuggestSettings instance.
     * @param readingConverter The ReadingConverter instance.
     * @param contentsReadingConverter The contents ReadingConverter instance.
     * @param normalizer The Normalizer instance.
     * @param analyzer The SuggestAnalyzer instance.
     * @param threadPool The ExecutorService for thread pooling.
     */

        }
        getExtractorFactory().addExtractor(keyList, this);
    }

    /**
     * Returns the MimeTypeHelper instance from the CrawlerContainer.
     * @return The MimeTypeHelper instance.
     */
    protected MimeTypeHelper getMimeTypeHelper() {
        final MimeTypeHelper mimeTypeHelper = crawlerContainer.getComponent("mimeTypeHelper");

    /**
     * Creates a new object instance from the crawler container.
     * @return A new instance of the component specified by componentName
     * @throws Exception if the component cannot be created
     */
    @Override
    public T create() throws Exception {
        return (T) crawlerContainer.getComponent(componentName);
    }

    /**
     * Wraps an object instance into a pooled object.

    /**
     * Creates an instance of {@link XPath} using the provided {@link Consumer} to configure the {@link XPathFactory}.
     *
     * @param builder a {@link Consumer} that accepts an {@link XPathFactory} and configures it.
     * @return a configured instance of {@link XPath}.
     * @throws CrawlerSystemException if an error occurs while creating the {@link XPath} instance.
     */
    public XPath createXPath(final Consumer<XPathFactory> builder) {

import java.util.regex.Pattern;

/**
 * Extracts text content from XML documents.
 */
public class XmlExtractor extends AbstractXmlExtractor {

    /**
     * Creates a new XmlExtractor instance.
     */
    public XmlExtractor() {
        super();
    }

    /**
     * Pattern for XML encoding.
     */
    protected Pattern xmlEncodingPattern =

     * @return This builder instance.
     */
    public SuggesterBuilder settings(final SuggestSettings settings) {
        this.settings = settings;
        settingsBuilder = null;
        return this;
    }

    /**
     * Sets the suggest settings builder.
     * @param settingsBuilder The suggest settings builder.
     * @return This builder instance.
     */

 * A wrapper class for CrawlerClientFactory that delegates operations to an underlying factory instance.
 * This wrapper allows for parameter management and initialization before delegating to the wrapped factory.
 *
 * The wrapper maintains its own parameter map which can be initialized separately from the wrapped factory,
 * and provides access to the wrapped factory instance through getParent().
 *

    /**
     * Field name for encoding.
     */
    public static final String ENCODING = "encoding";

    /**
     * Creates a new instance of OpenSearchAccessResultData.
     */
    public OpenSearchAccessResultData() {
    }

    /**
     * Creates a new instance of OpenSearchAccessResultData from a source map.
     * This constructor is used when loading data from OpenSearch.
     *

<components namespace="fessCrawler">
    <component name="crawler" class="org.codelibs.fess.crawler.Crawler" instance="prototype"/>
    <component name="httpClient" class="org.codelibs.fess.crawler.client.http.HcHttpClient" instance="singleton"/>
    <component name="fileTransformer" class="org.codelibs.fess.crawler.transformer.impl.FileTransformer" instance="singleton"/>
</components>
```

### Crawler Context Configuration

```java