* </p>
 *
 * <p>
 * The class uses {@link CrawlerContainer} to access components like {@link AccessResult}
 * and {@link UrlQueue}. It also uses {@link CrawlingParameterUtil} to access services
 * like {@link UrlQueueService} and DataService, as well as the {@link CrawlerContext}.
 * </p>
 *
 * <p>

import java.util.Collection;
import java.util.HashMap;

import org.junit.Test;

/**
 * @author wyukawa
 *
 */
public class CollectionsUtilTest {

    /**
     * Test method for
     * {@link org.codelibs.core.collection.CollectionsUtil#isEmpty(java.util.Collection)}
     * .
     */
    @Test
    public void testIsEmptyCollectionOfQ() {
        Collection<String> c = null;

    }

    /**
     * Clears the managed {@link TimeoutTask}.
     */
    public synchronized void clear() {
        timeoutTaskList.clear();
    }

    /**
     * Adds a {@link TimeoutTarget}.
     *
     * @param timeoutTarget the target
     * @param timeout the timeout duration
     * @param permanent whether the task is permanent
     * @return the {@link TimeoutTask}
     */

import org.jspecify.annotations.Nullable;

/**
 * Contains static methods pertaining to instances of {@link Interner}.
 *
 * @author Kevin Bourrillion
 * @since 3.0
 */
@J2ktIncompatible
@GwtIncompatible
public final class Interners {
  private Interners() {}

  /**
   * Builder for {@link Interner} instances.
   *
   * @since 21.0
   */
  public static class InternerBuilder {

    reverse(array, fromIndex, toIndex);
  }

  /**
   * Returns a fixed-size list backed by the specified array, similar to {@link
   * Arrays#asList(Object[])}. The list supports {@link List#set(int, Object)}, but any attempt to
   * set a value to {@code null} will result in a {@link NullPointerException}.
   *
   * <p>The returned list maintains the values, but not the identities, of {@code Character} objects

import org.jspecify.annotations.Nullable;

/**
 * Abstract {@link ListeningExecutorService} implementation that creates {@link ListenableFuture}
 * instances for each {@link Runnable} and {@link Callable} submitted to it. These tasks are run
 * with the abstract {@link #execute execute(Runnable)} method.
 *
 * <p>In addition to {@link #execute}, subclasses must implement all methods related to shutdown and
 * termination.
 *

      return false;
    }
    return true;
  }

  /** Strategy for exception type matching used by {@link NullPointerTester}. */
  private enum ExceptionTypePolicy {

    /**
     * Exceptions should be {@link NullPointerException} or {@link UnsupportedOperationException}.
     */
    NPE_OR_UOE() {
      @Override
      public boolean isExpectedType(Throwable cause) {

    return new Wrapper<>(this, reference);
  }

  /**
   * Wraps an object so that {@link #equals(Object)} and {@link #hashCode()} delegate to an {@link
   * Equivalence}.
   *
   * <p>For example, given an {@link Equivalence} for {@link String strings} named {@code equiv}
   * that tests equivalence using their lengths:
   *
   * {@snippet :

   *
   * <p><b>Java 8+ users:</b> use {@link Integer#parseUnsignedInt(String, int)} instead.
   *
   * @param string the string containing the unsigned integer representation to be parsed.
   * @param radix the radix to use while parsing {@code s}; must be between {@link
   *     Character#MIN_RADIX} and {@link Character#MAX_RADIX}.

              <location>${project.basedir}/javadoc-link/j2objc-annotations</location>
            </offlineLink>
            <offlineLink>
              <url>https://errorprone.info/api/latest/</url>
              <location>${project.basedir}/javadoc-link/error_prone_annotations</location>
            </offlineLink>
          </offlineLinks>
          <links>
            <link>https://docs.oracle.com/en/java/javase/25/docs/api/</link>