// Overriding close() because FilterOutputStream's close() method pre-JDK8 has bad behavior:
  // it silently ignores any exception thrown by flush(). Instead, just close the delegate stream.
  // It should flush itself if necessary.
  @Override
  public void close() throws IOException {
    out.close();
  }

            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
            proxy_set_header X-Forwarded-Proto $scheme;
            proxy_set_header X-NginX-Proxy true;

            # This is necessary to pass the correct IP to be hashed
            real_ip_header X-Real-IP;

            proxy_connect_timeout 300;
            
            # To support websocket
            proxy_http_version 1.1;

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

/**
 * Form class for editing stopwords dictionary entries in the admin interface.
 * This form extends CreateForm to include fields necessary for updating existing stopwords entries.
 * Stopwords are common words that are typically ignored during text indexing and search operations.
 *
 */
public class EditForm extends CreateForm {

    /**

import jakarta.validation.constraints.Size;

/**
 * Form class for editing users in the admin interface.
 * This form extends CreateForm to include fields necessary for updating existing user entries,
 * including tracking information for optimistic locking.
 * Users represent individual accounts that can access and search within the system.
 *
 */

import jakarta.validation.constraints.Size;

/**
 * Form class for editing data crawling configurations in the admin interface.
 * This form extends CreateForm to include fields necessary for updating existing data config entries,
 * including tracking information for optimistic locking and audit trails.
 * Data configs define how to crawl and extract data from databases, CSV files, and other data sources.
 *
 */

import jakarta.validation.constraints.Size;

/**
 * Form class for editing user groups in the admin interface.
 * This form extends CreateForm to include fields necessary for updating existing group entries,
 * including tracking information for optimistic locking and audit trails.
 * Groups are used to organize users and define access permissions.
 *
 */

import jakarta.validation.constraints.Size;

/**
 * Form class for editing path mapping configurations in the admin interface.
 * This form extends CreateForm to include fields necessary for updating existing path map entries,
 * including tracking information for optimistic locking and audit trails.
 * Path mappings are used to transform document URLs and paths during indexing and display.
 *
 */

import jakarta.validation.constraints.Size;

/**
 * Form class for editing related content configurations in the admin interface.
 * This form extends CreateForm to include fields necessary for updating existing related content entries,
 * including tracking information for optimistic locking and audit trails.
 * Related content configurations define relationships between documents for enhanced search results.
 *

import jakarta.validation.constraints.Size;

/**
 * Form class for editing web authentication configurations in the admin interface.
 * This form extends CreateForm to include fields necessary for updating existing web authentication entries,
 * including tracking information for optimistic locking and audit trails.
 * Web authentication configurations define credentials for accessing protected web resources during crawling.

import jakarta.validation.constraints.Size;

/**
 * Form class for editing access tokens in the admin interface.
 * This form extends CreateForm to include fields necessary for updating existing access tokens,
 * including tracking information for optimistic locking and audit trails.
 *
 */
public class EditForm extends CreateForm {

    /**
     * Creates a new EditForm instance.