* as the traditional heap data structure used in {@link PriorityQueue}.
 *
 * <p>This class is not thread-safe, and does not accept null elements.
 *
 * <p><i>Performance notes:</i>
 *
 * <ul>
 *   <li>If you only access one end of the queue, and do use a maximum size, this class will perform
 *       significantly worse than a {@code PriorityQueue} with manual eviction above the maximum

	var aead cipher.AEAD
	switch keyType {
	case kms.AES256:
		mac := hmac.New(sha256.New, s.key)
		mac.Write(iv)
		sealingKey := mac.Sum(nil)

		block, err := aes.NewCipher(sealingKey)
		if err != nil {
			return nil, err
		}
		aead, err = cipher.NewGCM(block)
		if err != nil {
			return nil, err
		}
	case kms.ChaCha20:
		sealingKey, err := chacha20.HChaCha20(s.key, iv)

/**
 * Helper class for handling permission-related operations in Fess.
 * Provides functionality to encode/decode permission strings and extract
 * role type information from various file system protocols (SMB, file, FTP).
 */
public class PermissionHelper {
    /** Logger instance for this class */
    private static final Logger logger = LogManager.getLogger(PermissionHelper.class);

    * `Path()`
    * `Query()`
    * `Header()`
    * `Cookie()`

import org.codelibs.fess.crawler.exception.ExtractException;
import org.dbflute.utflute.core.PlainTestCase;

/**
 * Enhanced test class for TextExtractor covering improved error messages and edge cases.
 */
public class TextExtractorEnhancedTest extends PlainTestCase {

    private TextExtractor textExtractor;

    @Override
    protected void setUp() throws Exception {
        super.setUp();

/**
 * API action for admin related query management.
 * Provides REST endpoints for managing related search queries.
 */
public class ApiAdminRelatedqueryAction extends FessApiAdminAction {

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

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

 *   <li>Clean text conversion from Markdown</li>
 *   <li>Configurable encoding</li>
 * </ul>
 */
public class MarkdownExtractor extends AbstractExtractor {
    /** Logger instance for this class. */
    private static final Logger logger = LogManager.getLogger(MarkdownExtractor.class);

    /** Default encoding for Markdown files. */
    protected String encoding = Constants.UTF_8;

import java.io.Serializable;
import java.util.List;

import org.codelibs.fess.util.ComponentUtil;

/**
 * Pager class for request header management in the Fess search engine.
 * This class provides pagination functionality for displaying and managing
 * request headers in the administration interface.
 */
public class ReqHeaderPager implements Serializable {

    private static final long serialVersionUID = 1L;

    /**

import java.util.logging.Level;
import java.util.logging.Logger;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/** Tests for {@link ListenerCallQueue}. */
@NullUnmarked
public class ListenerCallQueueTest extends TestCase {

  private static final ListenerCallQueue.Event<Object> THROWING_EVENT =
      new ListenerCallQueue.Event<Object>() {
        @Override
        public void call(Object object) {

import java.util.logging.Level;
import java.util.logging.Logger;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/** Tests for {@link ListenerCallQueue}. */
@NullUnmarked
public class ListenerCallQueueTest extends TestCase {

  private static final ListenerCallQueue.Event<Object> THROWING_EVENT =
      new ListenerCallQueue.Event<Object>() {
        @Override
        public void call(Object object) {