*
     * @param searchEngineClient the search engine client to use for deletion
     * @param docList the list of new documents to check against
     * @return the number of old documents that were deleted
     */
    protected long deleteOldDocuments(final SearchEngineClient searchEngineClient, final DocList docList) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();

            if (skipDuplicateWords) {
                final String duplicateCheckStr = text.replace(" ", "");
                if (words.stream().map(word -> word.replace(" ", "")).anyMatch(word -> word.equals(duplicateCheckStr))) {
                    // skip duplicate word.
                    continue;
                }
            }

            words.add(text);

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

    /**
     * Get the protected word item.
     * @param form The create form.
     * @param hook The error hook.
     * @return The protected word item.
     */
    protected OptionalEntity<ProtwordsItem> createProtwordsItem(final CreateForm form, final VaErrorHook hook) {
        try {

 * <li>{@link #addBadWord(String, boolean)} - Add a bad word and optionally apply it.
 * <li>{@link #deleteBadWord(String)} - Delete a bad word.
 * <li>{@link #addElevateWord(ElevateWord, boolean)} - Add an elevate word and optionally apply it.
 * <li>{@link #deleteElevateWord(String, boolean)} - Delete an elevate word and optionally apply it.

import org.codelibs.fess.app.web.admin.elevateword.EditForm;

/**
 * Request body class for elevate word edit operations in the admin REST API.
 * This class extends EditForm to inherit the necessary form validation and binding capabilities
 * for elevate word management operations.
 */
public class EditBody extends EditForm {

    /**
     * Default constructor.
     */
    public EditBody() {

# Seed value for popular word suggestion.
suggest.popular.word.seed=0
# Tags for popular word suggestion.
suggest.popular.word.tags=
# Fields for popular word suggestion.
suggest.popular.word.fields=
# Excluded words for popular word suggestion.
suggest.popular.word.excludes=
# Number of popular words to suggest.
suggest.popular.word.size=10
# Window size for popular word suggestion.

package org.codelibs.fess.app.web.api.admin.elevateword;

import org.codelibs.fess.app.web.admin.elevateword.DownloadForm;

/**
 * Download body for elevate word API operations.
 * This class extends the DownloadForm to provide request body handling
 * for downloading elevate word configurations via REST API.
 *
 */
public class DownloadBody extends DownloadForm {

    /**
     * Default constructor.
     */

 */
package org.codelibs.fess.app.web.api.admin.badword;

import org.codelibs.fess.app.web.admin.badword.DownloadForm;

/**
 * Download body for Bad Word API operations.
 * This class extends the DownloadForm to provide request body handling
 * for downloading bad word dictionaries via REST API.
 *
 */
public class DownloadBody extends DownloadForm {

    /**
     * Default constructor.
     */

package org.codelibs.fess.app.web.api.admin.badword;

import org.codelibs.fess.app.web.admin.badword.EditForm;

/**
 * Request body class for bad word edit operations in the admin REST API.
 * This class extends EditForm to inherit the necessary form validation and binding capabilities
 * for bad word management operations.
 */
public class EditBody extends EditForm {

    /**
     * Default constructor.
     */
    public EditBody() {

import org.codelibs.fess.app.web.api.admin.BaseSearchBody;

/**
 * Search request body for elevate word administration.
 * Extends BaseSearchBody with elevate word-specific search parameters.
 */
public class SearchBody extends BaseSearchBody {

    /** The elevate word ID to search for. */
    public String id;

    /**
     * Default constructor for SearchBody.
     */
    public SearchBody() {