assertFalse(
          "removeIf(Predicate) should return false or throw UnsupportedOperationException",
          collection.removeIf(
              x -> {
                throw new AssertionError("predicate should never be called");
              }));
    } catch (UnsupportedOperationException tolerated) {
    }
    expectUnchanged();
  }

  @CollectionFeature.Require(absent = SUPPORTS_REMOVE)
  @CollectionSize.Require(absent = ZERO)

     */
    public FileTypeHelper() {
        // Default constructor
    }

    /**
     * Initializes the file type mappings by loading configuration from Fess settings.
     * This method is called automatically after dependency injection is complete.
     * The mappings are loaded from the index filetype configuration property,
     * where each line contains a MIME type to file type mapping in the format "mimetype=filetype".

     */
    public RelatedQueryHelper() {
        super();
    }

    /**
     * Initializes the RelatedQueryHelper after dependency injection is complete.
     * This method is called automatically by the dependency injection framework
     * and loads the initial related query configurations.
     */
    @PostConstruct
    public void init() {
        if (logger.isDebugEnabled()) {

        UnsupportedOperationException.class,
        () ->
            getMap()
                .computeIfAbsent(
                    k3(),
                    k -> {
                      // allowed to be called
                      assertEquals(k3(), k);
                      return v3();
                    }));
    expectUnchanged();
  }

  @MapFeature.Require(absent = SUPPORTS_PUT)

  public void testSubmit() throws Exception {
    /*
     * Mostly just tests that TrustedListenableFutureTask are created and run; tests for
     * TrustedListenableFutureTask should ensure that listeners are called correctly.
     */

    TestListeningExecutorService e = new TestListeningExecutorService();

    TestRunnable runnable = new TestRunnable();
    ListenableFuture<?> runnableFuture = e.submit(runnable);

  public void testSubmit() throws Exception {
    /*
     * Mostly just tests that TrustedListenableFutureTask are created and run; tests for
     * TrustedListenableFutureTask should ensure that listeners are called correctly.
     */

    TestListeningExecutorService e = new TestListeningExecutorService();

    TestRunnable runnable = new TestRunnable();
    ListenableFuture<?> runnableFuture = e.submit(runnable);

        return new ImmutableEnumSet<>(set);
    }
  }

  /*
   * Notes on EnumSet and <E extends Enum<E>>:
   *
   * This class isn't an arbitrary ForwardingImmutableSet because we need to
   * know that calling {@code clone()} during deserialization will return an
   * object that no one else has a reference to, allowing us to guarantee
   * immutability. Hence, we support only {@link EnumSet}.
   */

        UnsupportedOperationException.class,
        () ->
            getMap()
                .computeIfAbsent(
                    k3(),
                    k -> {
                      // allowed to be called
                      assertEquals(k3(), k);
                      return v3();
                    }));
    expectUnchanged();
  }

  @MapFeature.Require(absent = SUPPORTS_PUT)

    /**
     * Sets the URL stream handler factory for the environment.  This
     * allows specification of the factory used in creating underlying
     * stream handlers.  This can be called once per JVM instance.
     *
     * @param factory The URL stream handler factory.
     */
    public static void setURLStreamHandlerFactory(final URLStreamHandlerFactory factory) {
        synchronized (PROTOCOL_HANDLERS) {

        byte[] data = { 0x01, 0x02 };
        // This constructor call itself should not throw an error, as it's just storing the values.
        // The error should occur when System.arraycopy is called.
        ByteEncodable encodable = new ByteEncodable(data, 1, 2); // off=1, len=2, data.length=2. 1+2 > 2

        byte[] dest = new byte[5];

        // Expect IndexOutOfBoundsException from System.arraycopy