import jakarta.annotation.PostConstruct;

/**
 * Helper class for document processing and manipulation in the Fess search system.
 * This class provides utilities for processing document content, titles, and digests,
 * handling text normalization, content extraction, and similar document hash encoding/decoding.
 * It also manages document processing requests and integrates with the crawler system.
 *
 */

        assertTrue(entry2.isComplete());
        assertTrue(entry1.hasChild("document.txt"));
        assertFalse(entry1.hasChild("subfolder"));
        assertTrue(entry2.hasChild("subfolder"));
        assertFalse(entry2.hasChild("document.txt"));

        // Test individual change notification
        directoryLeaseManager.handleDirectoryChange(dir1, "document.txt", DirectoryChangeNotifier.DirectoryChangeType.FILE_REMOVED);

    /**
     * Default constructor for PurgeDocJob.
     * Creates a new instance of the document purging job with default settings.
     */
    public PurgeDocJob() {
        // Default constructor
    }

    /**
     * Executes the document purging job.
     * Removes all documents from the search index that have expired based on their expires field.
     *

    }

    /**
     * Deletes all document-based words from the suggest index.
     *
     * @return true if the operation was successful, false otherwise.
     */
    public boolean deleteDocumentWords() {
        final SuggestDeleteResponse response = suggester.indexer().deleteDocumentWords();
        if (response.hasError()) {
            logger.warn("Failed to delete document words.", response.getErrors().get(0));

        return new String(buf);
    }

    /**
     * Converts a {@link Document} to a string.
     *
     * @param document
     *            The document. Must not be {@literal null}.
     * @return The converted string.
     */
    public static String toString(final Document document) {
        assertArgumentNotNull("document", document);

        final StringBuilder buf = new StringBuilder(1000);

///

/// info

Of course, the actual `Content-Type` header, status code, etc, will come from the `Response` object you returned.

///

### Document in OpenAPI and override `Response` { #document-in-openapi-and-override-response }

    //                                                                      ==============

    /**
     * Returns the OSDD document.
     *
     * @return the OSDD document as a stream response
     */
    @Execute
    public ActionResponse index() {
        if (isLoginRequired()) {
            return redirectToLogin();
        }

 */
package org.codelibs.fess.suggest.index.contents.document;

import java.io.Closeable;
import java.util.Map;

/**
 * Interface for reading documents and extracting their contents into a map.
 * Implementations of this interface should provide the logic for reading
 * documents and converting them into a key-value structure.
 *

    }

    /**
     * Deletes document-related suggest words.
     *
     * @return JSON response indicating success or failure
     */
    // DELETE /api/admin/suggest/document
    @Execute
    public JsonResponse<ApiResult> delete$document() {
        if (!suggestHelper.deleteDocumentWords()) {

            break;
        default:
            break;
        }
        return OptionalEntity.empty();
    }

    /**
     * Get a boost document rule from a form.
     * @param form The create form.
     * @return An optional entity of a boost document rule.
     */
    public static OptionalEntity<BoostDocumentRule> getBoostDocumentRule(final CreateForm form) {