/** Indicates if a next page exists. */
    private boolean existNextPage;

    /** The list of page numbers. */
    private List<Integer> pageNumberList;

    /** The number of records per page. */
    private int pageSize;

    /** The current page number. */
    private int currentPageNumber;

    /** The ID. */
    public String id;

    /** The regex pattern. */
    public String regex;

     */
    private boolean existNextPage;

    /**
     * List of page numbers for pagination navigation.
     */
    private List<Integer> pageNumberList;

    /**
     * Number of records per page.
     */
    private int pageSize;

    /**
     * Current page number in pagination.
     */
    private int currentPageNumber;

    /**
     * ID of the role.
     */
    public String id;

    /** A flag indicating if a next page exists. */
    private boolean existNextPage;

    /** A list of page numbers for navigation. */
    private List<Integer> pageNumberList;

    /** The number of records per page. */
    private int pageSize;

    /** The current page number. */
    private int currentPageNumber;

    /** The ID of the stopwords dictionary. */
    public String id;

    /**

import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;

/**
 * Filter for rate limiting to protect against bot attacks and excessive requests.
 * Tracks request counts per IP address and blocks excessive requests based on configurable thresholds.
 */
public class RateLimitFilter implements Filter {

    private static final Logger logger = LogManager.getLogger(RateLimitFilter.class);

    /**

namun
nanti
nantinya
nyaris
oleh
olehnya
seorang
seseorang
pada
padanya
padahal
paling
sepanjang
pantas
sepantasnya
sepantasnyalah
para
pasti
pastilah
per
pernah
pula
pun
merupakan
rupanya
serupa
saat
saatnya
sesaat
saja
sajalah
saling
bersama
sama
sesama
sambil
sampai
sana
sangat
sangatlah
saya

#### JSON Search API

**Endpoints**:
- `GET /api/v1/documents?q={query}` (recommended)
- `GET /json/?q={query}` (legacy, for backward compatibility)

**Parameters**:
- `q` - Query string
- `num` - Results per page (default: 20)
- `start` - Starting offset (default: 0)
- `fields.label` - Label filter
- `lang` - Language preference

**Example**:
```bash
# Using the recommended endpoint

import jakarta.servlet.ServletContext;
import jakarta.servlet.ServletException;
import jakarta.servlet.http.HttpServletRequest;

/**
 * The handler of multipart request (fileupload request). <br>
 * This instance is created per one multipart request.
 * @author modified by jflute (originated in Seasar)
 */
public class FessMultipartRequestHandler implements MultipartRequestHandler {

    /** Whether a next page exists. */
    private boolean existNextPage;

    /** The list of page numbers for pagination display. */
    private List<Integer> pageNumberList;

    /** The number of items to display per page. */
    private int pageSize;

    /** The current page number. */
    private int currentPageNumber;

    /** The dictionary ID */
    public String id;

    /**

    @Size(max = 1000)
    public String q;

    /**
     * The sort parameter for search results.
     */
    @Size(max = 1000)
    public String sort;

    /**
     * The number of search results to return per page.
     */
    @ValidateTypeFailure
    public Integer num;

    /**
     * Array of language codes to filter search results.
     */
    public String[] lang;

    /**

    /** A flag indicating if a next page exists. */
    private boolean existNextPage;

    /** A list of page numbers for navigation. */
    private List<Integer> pageNumberList;

    /** The number of records per page. */
    private int pageSize;

    /** The current page number. */
    private int currentPageNumber;

    /** The ID of the synonym dictionary. */
    public String id;

    /**