func TestExitCodeFilter(t *testing.T) {
	// Write text to the filter one character at a time.
	var out strings.Builder
	f, exitStr := newExitCodeFilter(&out)
	// Embed a "fake" exit code in the middle to check that we don't get caught on it.
	pre := "abc" + exitStr + "123def"
	text := pre + exitStr + `1`
	for i := 0; i < len(text); i++ {
		_, err := f.Write([]byte{text[i]})
		if err != nil {
			t.Fatal(err)
		}
	}

        traverser.forEach((ResourceHandler) (path, is) -> list.add(path));
        list.sort((s1, s2) -> s1.compareTo(s2));
        assertThat(list.size(), is(2));
        assertThat(list.get(0), is("junit/textui/ResultPrinter.class"));
        assertThat(list.get(1), is("junit/textui/TestRunner.class"));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testFromRootPackage_FileSystem() throws Exception {

      if (hasRequestBody) {
        // If there's a "Expect: 100-continue" header on the request, wait for a "HTTP/1.1 100
        // Continue" response before transmitting the request body. If we don't get that, return
        // what we did get (such as a 4xx response) without ever transmitting the request body.
        if ("100-continue".equals(request.header("Expect"), ignoreCase = true)) {
          exchange.flushRequest()

 *       {@linkplain SetMultimap#get collection of values} associated with a given key fulfills the
 *       {@link java.util.Set} contract.
 *   <dt>{@link SortedSetMultimap}
 *   <dd>An extension of {@link SetMultimap} for which the {@linkplain SortedSetMultimap#get
 *       collection values} associated with a given key is a {@link java.util.SortedSet}.
 *   <dt>{@link BiMap}

    Predicate<Throwable> predicate = INSTANCE_OF.get(expectedThrowable);
    if (predicate == null) {
      throw new IllegalArgumentException(
          expectedThrowable
              + " is not yet supported by ReflectionFreeAssertThrows. Add an entry for it in the"
              + " map in that class.");
    }
    Object result;
    try {
      result = supplier.get();
    } catch (Throwable t) {

                throw new IllegalStateException("Failed to get string from the item: " + item, e);
            }
            haveValue = true;
        }
        if (request instanceof final MultipartRequestWrapper wrapper) {
            wrapper.setParameter(fieldName, value);
        }
        final String[] oldArray = elementsText.get(fieldName);
        final String[] newArray;
        if (oldArray != null) {

            String[] alphabets;
            if (i + 1 < text.length() && CONVERT_MAP.get(text.substring(i, i + 2)) != null) {
                alphabets = CONVERT_MAP.get(text.substring(i, i + 2));
                i += 2;
            } else {
                if (CONVERT_MAP.get(text.substring(i, i + 1)) != null) {
                    alphabets = CONVERT_MAP.get(text.substring(i, i + 1));
                } else {

            var attributesField = DosFileFilter.class.getDeclaredField("attributes");
            attributesField.setAccessible(true);

            assertEquals("abc", wildcardField.get(unwrapped));
            assertEquals(7, attributesField.get(unwrapped));
        }

        @Test
        void unwrapDOSFilter_returnsNull_whenNotWrapperOrNotDosFilter() {
            // Not a wrapper

     * that our class provides.
     */
    private void populateMethodCache() {
        // get all publicly accessible methods
        Method[] methods = getAccessibleMethods(clazz);

        // map and cache them
        for (Method method : methods) {
            // now get the 'public method', the method declared by a
            // public interface or class (because the actual implementing

   *
   * <p>The returned list is not serializable and does not have random access.
   */
  @Override
  public List<V> get(@ParametricNullness K key) {
    return new AbstractSequentialList<V>() {
      @Override
      public int size() {
        KeyList<K, V> keyList = keyToKeyList.get(key);
        return (keyList == null) ? 0 : keyList.count;
      }

      @Override