Handles all indexing operations, content parsing, and word management (bad words, elevate words).

### SuggestSettings (Configuration)
Location: `src/main/java/org/codelibs/fess/suggest/settings/SuggestSettings.java`

Manages configuration stored in OpenSearch: analyzers, bad words, elevate words, timeouts.

### SuggestItem (Domain Entity)

    /** Helper for managing search suggestions and bad words */
    @Resource
    protected SuggestHelper suggestHelper;

    /**
     * Retrieves bad word settings with pagination support.
     *
     * @param body the search body containing pagination and filter parameters
     * @return JSON response containing list of bad word configurations
     */
    // GET /api/admin/badword/settings

            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 {

import org.lastaflute.web.validation.theme.conversion.ValidateTypeFailure;

import jakarta.validation.constraints.Size;

/**
 * Form class for creating protected words dictionary entries.
 * Protected words are terms that should not be modified or analyzed during
 * text processing, preserving their original form in search indexes.
 *
 */
public class CreateForm {

    /**

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

    /**
     * Get the bad word.
     * @param form The create form.
     * @return The bad word.
     */
    public static OptionalEntity<BadWord> getBadWord(final CreateForm form) {
        final SystemHelper systemHelper = ComponentUtil.getSystemHelper();

    /**
     * Sets whether to match the first word.
     * @param matchWordFirst True to match the first word, false otherwise.
     * @return This builder instance.
     */
    public SuggestRequestBuilder setMatchWordFirst(final boolean matchWordFirst) {
        request.setMatchWordFirst(matchWordFirst);
        return this;
    }

    /**
     * Sets whether to skip duplicate words.

import org.opensearch.transport.client.Client;

/**
 * Represents a request for popular words. This class extends {@link Request} and is parameterized
 * with {@link PopularWordsResponse}. It allows specifying various criteria for retrieving popular words,
 * such as index, size, tags, roles, fields, languages, and exclusion words.
 *
 * <p>Key functionalities include:</p>
 * <ul>
 *   <li>Setting the target index for the search.</li>

	cases := []string{
		"S3Object",
		"S3Object.id",
		"S3Object.book.title",
		"S3Object.id[1]",
		"S3Object.id['abc']",
		"S3Object.id['ab']",
		"S3Object.words.*.id",
		"S3Object.words.name[*].val",
		"S3Object.words.name[*].val[*]",
		"S3Object.words.name[*].val.*",
	}
	for i, tc := range cases {
		err := p.ParseString(tc, &j)
		if err != nil {
			t.Fatalf("%d: %v", i, err)
		}

    /** The CRUD operation mode for form processing */
    @ValidateTypeFailure
    public Integer crudMode;

    /** The input word that should be stemmed differently */
    @Required
    @Size(max = 1000)
    public String input;

    /** The desired stem output for the input word */
    @Required
    @Size(max = 1000)
    public String output;

    /**

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

/**
 * The search form for Bad Word.
 */
public class SearchForm {

    /**
     * Default constructor for SearchForm.
     */
    public SearchForm() {
    }

    /**
     * The ID field for searching bad words.
     */
    public String id;