names = append(names, d.Name())
			}
			t.Errorf("ReadDir(%s) = %v, %v, want %v, nil", desc, names, err, []string{"hello.txt", "sub"})
		}
	}

	// Test that ReadDir uses the method when present.
	dirs, err := ReadDir(readDirOnly{testFsys}, ".")
	check("readDirOnly", dirs, err)

	// Test that ReadDir uses Open when the method is not present.
	dirs, err = ReadDir(openOnly{testFsys}, ".")
	check("openOnly", dirs, err)

	RedirectToDynImportGotToken = -2
)

// TODO(brainman): maybe just add ReadAt method to bio.Reader instead of creating peBiobuf

// peBiobuf makes bio.Reader look like io.ReaderAt.
type peBiobuf bio.Reader

func (f *peBiobuf) ReadAt(p []byte, off int64) (int, error) {
	ret := ((*bio.Reader)(f)).MustSeek(off, 0)
	if ret < 0 {
		return 0, errors.New("fail to seek")
	}
	n, err := f.Read(p)

      }

      override fun fromDer(reader: DerReader): Any? {
        if (isOptional && !reader.hasNext()) return optionalValue

        val peekedHeader =
          reader.peekHeader()
            ?: throw ProtocolException("expected a value at $reader")
        for ((_, adapter) in choices) {
          if (adapter.matches(peekedHeader)) {
            return adapter.fromDer(reader)
          }
        }

        }
    }

    /**
     * {@link Reader}からテキストを読み込みます。
     * <p>
     * {@link Reader}はクローズされません。
     * </p>
     *
     * @param reader
     *            読み込み文字ストリーム。{@literal null}であってはいけません
     * @return テキスト
     */
    public static String readText(final Reader reader) {
        assertArgumentNotNull("reader", reader);

        final StringBuilder buf = new StringBuilder(BUF_SIZE);

    CharSequenceReader reader = new CharSequenceReader(string);
    assertTrue(reader.markSupported());

    assertEquals(string, readFully(reader));
    assertFullyRead(reader);

    // reset and read again
    reader.reset();
    assertEquals(string, readFully(reader));
    assertFullyRead(reader);

    // reset, skip, mark, then read the rest
    reader.reset();
    assertEquals(5, reader.skip(5));

        reader.beginObject();
        while (reader.peek() != END_OBJECT) {
            String attrName = reader.nextName();
            if (reader.peek() == BOOLEAN) {
                boolean attrValue = reader.nextBoolean();
                attributes = attributesFactory.concat(attributes, Attribute.of(attrName, Boolean.class), attrValue);
            } else if (reader.peek() == NUMBER) {
                Integer attrValue = reader.nextInt();

//   - On Windows, Reader uses the ProcessPrng API.
//   - On js/wasm, Reader uses the Web Crypto API.
//   - On wasip1/wasm, Reader uses random_get from wasi_snapshot_preview1.
var Reader io.Reader

// Read is a helper function that calls Reader.Read using io.ReadFull.
// On return, n == len(b) if and only if err == nil.
func Read(b []byte) (n int, err error) {
	return io.ReadFull(Reader, b)
}

        final boolean[] hasOutput = new boolean[1];
        withReader(new Action<TestOutputStore.Reader>() {
            @Override
            public void execute(TestOutputStore.Reader reader) {
                hasOutput[0] = reader.hasOutput(classId, destination);
            }
        });
        return hasOutput[0];
    }

    @Override

// the ReadSeeker reads uncompressed data.
//
// For an [SHT_NOBITS] section, all calls to the opened reader
// will return a non-nil error.
func (s *Section) Open() io.ReadSeeker {
	if s.Type == SHT_NOBITS {
		return io.NewSectionReader(&nobitsSectionReader{}, 0, int64(s.Size))
	}

	var zrd func(io.Reader) (io.ReadCloser, error)
	if s.Flags&SHF_COMPRESSED == 0 {

		if !strings.HasPrefix(s.Name, ".zdebug") {

        assertArgumentNotNull("reader", reader);

        return () -> new LineIterator(reader);
    }

    /**
     * インスタンスを構築します。
     *
     * @param reader
     *            文字列を読み込む{@link Reader}。{@literal null}であってはいけません
     */
    public LineIterator(final Reader reader) {
        assertArgumentNotNull("reader", reader);
        this.reader = new BufferedReader(reader);
    }

    /**