*/
    PersistedToolchains read(File input, Map<String, ?> options) throws IOException, ToolchainsParseException;

    /**
     * Reads the toolchains from the specified character reader. The reader will be automatically closed before the
     * method returns.
     *
     * @param input The reader to deserialize the toolchains from, must not be {@code null}.

	accessKey, err = GenerateAccessKey(accessKeyMaxLen, rand.Reader)
	if err != nil {
		return "", "", err
	}
	secretKey, err = GenerateSecretKey(secretKeyMaxLen, rand.Reader)
	if err != nil {
		return "", "", err
	}
	return accessKey, secretKey, nil
}

// GenerateAccessKey returns a new access key generated randomly using
// the given io.Reader. If random is nil, crypto/rand.Reader is used.

	if isCompressed {
		wantEncryption := crypto.Requested(r.Header) || isEncrypted
		s2c, cb := newS2CompressReader(reader, actualPartSize, wantEncryption)
		idxCb = cb
		defer s2c.Close()
		reader = etag.Wrap(s2c, reader)
		length = -1
	}

	srcInfo.Reader, err = hash.NewReader(ctx, reader, length, "", "", actualPartSize)
	if err != nil {
		writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
		return
	}

	_, err = io.ReadFull(f, dst)
	return dst, st, err
}

// ReadFile reads the named file and returns the contents.
// A successful call returns err == nil, not err == EOF.
// Because ReadFile reads the whole file, it does not treat an EOF from Read
// as an error to be reported.
//
// passes NOATIME flag for reads on Unix systems to avoid atime updates.
func ReadFile(name string) ([]byte, error) {

	readerWg    sync.WaitGroup            // used to keep track of async reader.
}

// queueItem is an item in the queue.
type queueItem struct {
	input []byte             // raw input sent to the worker
	dst   chan []jstream.KVS // result of block decode
	err   error              // any error encountered will be set here
}

// Read - reads single record.
// Once Read is called the previous record should no longer be referenced.

        }
    }

    @Override
    public Settings read(Reader input, Map<String, ?> options) throws IOException {
        Objects.requireNonNull(input, "input cannot be null");

        try (Reader in = input) {
            InputSource source = (InputSource) options.get(InputSource.class.getName());
            return new Settings(new SettingsStaxReader().read(in, isStrict(options), source));
        } catch (XMLStreamException e) {

        Reader reader = new StringReader(cannotDecode);
        InputStream decodingStream = encoding.decodingStream(reader);
        try {
          ByteStreams.exhaust(decodingStream);
          fail("Expected DecodingException");
        } catch (DecodingException expected) {
          // Don't assert on the expectedMessage; the messages for exceptions thrown from the

pkg archive/zip, method (*File) OpenRaw() (io.Reader, error)
pkg archive/zip, method (*Writer) Copy(*File) error
pkg archive/zip, method (*Writer) CreateRaw(*FileHeader) (io.Writer, error)
pkg compress/lzw, method (*Reader) Close() error
pkg compress/lzw, method (*Reader) Read([]uint8) (int, error)
pkg compress/lzw, method (*Reader) Reset(io.Reader, Order, int)
pkg compress/lzw, method (*Writer) Close() error

    BufferedReader reader = source.openBufferedStream();
    assertTrue(source.wasStreamOpened());
    assertFalse(source.wasStreamClosed());

    StringWriter writer = new StringWriter();
    char[] buf = new char[64];
    int read;
    while ((read = reader.read(buf)) != -1) {
      writer.write(buf, 0, read);
    }
    reader.close();
    writer.close();

}

// parsePostPolicyForm - Parse JSON policy string into typed PostPolicyForm structure.
func parsePostPolicyForm(r io.Reader) (PostPolicyForm, error) {
	reader, err := sanitizePolicy(r)
	if err != nil {
		return PostPolicyForm{}, err
	}

	d := json.NewDecoder(reader)

	// Convert po into interfaces and
	// perform strict type conversion using reflection.
	var rawPolicy struct {