assertFalse(dataMap.containsKey("z.overwrite"));
        assertEquals(1, dataMap.size());
        assertEquals("Z1", dataMap.get("z"));
    }

    /** Case 5: Overwrite processing for multiple fields, existing overwrite keys are also properly removed */
    public void test_mergeResponseData_multipleOverwrite() {
        Map<String, Object> dataMap = new HashMap<>();

            return curlHelper.delete(path);
        default:
            break;
        }
        return null;
    }

    /**
     * Creates an HTML response for the list page with optional pre-processing.
     *
     * @param runnable optional runnable to execute before rendering (can be null)
     * @return HTML response for the search request list page
     */

  @CanIgnoreReturnValue
  @Override
  Hasher putBoolean(boolean b);

  @CanIgnoreReturnValue
  @Override
  Hasher putChar(char c);

  /**
   * Equivalent to processing each {@code char} value in the {@code CharSequence}, in order. In
   * other words, no character encoding is performed; the low byte and high byte of each {@code

    when {
      // Server sent a 100-continue even though we did not request one. Try again to read the
      // actual response status.
      code == 100 -> true

      // Handle Processing (102) & Early Hints (103) and any new codes without failing
      // 100 and 101 are the exceptions with different meanings
      // But Early Hints not currently exposed
      code in (102 until 200) -> true

     * Selects an extractor based on the MIME type or falls back to the Tika extractor.
     *
     * @param responseData the response data containing the document to extract
     * @return the extractor instance for processing the document
     * @throws FessSystemException if no suitable extractor can be found
     */
    @Override
    protected Extractor getExtractor(final ResponseData responseData) {

        final IllegalStateException middleCause = new IllegalStateException("Query parser state error", rootCause);
        final String message = "Query processing failed";
        final VaMessenger<FessMessages> messageCode = messages -> messages.addErrorsInvalidQueryUnknown(UserMessages.GLOBAL_PROPERTY_KEY);

        // Execute

import org.xml.sax.InputSource;

import jakarta.annotation.PostConstruct;

/**
 * A transformer implementation for processing HTML documents using XPath expressions.
 * This class extends XpathTransformer to provide Fess-specific document processing capabilities
 * including content extraction, metadata processing, and robots tag handling.
 */
public class FessXpathTransformer extends XpathTransformer implements FessTransformer {

import org.codelibs.fess.dict.DictionaryItem;

/**
 * Represents a single character mapping rule that defines how input characters are mapped to output characters
 * for text analysis and search processing. This class is used in character mapping dictionaries to transform
 * text during indexing and search operations.
 *
 * <p>Each mapping item consists of one or more input character sequences that are mapped to a single output

        CHILD_URLS,
        /** Indicates that a URL was evaluated for crawling eligibility. */
        EVALUATED,
        /** Indicates that a general exception occurred during processing. */
        EXCEPTION,
        /** Indicates that processing of a URL has finished. */
        FINISHED,
        /** Indicates that content was successfully parsed. */
        PARSED,
        /** Indicates that a URL was prepared for crawling. */

     * Each thread handles crawling for a single data configuration,
     * processing documents and updating the search index.
     *
     * <p>The thread manages:</p>
     * <ul>
     *   <li>Data store initialization and document processing</li>
     *   <li>Index update operations through callbacks</li>
     *   <li>Error handling and failure logging</li>