if err = c.enc.Encode(r); err != nil {
		if c.encBuf.Flush() == nil {
			// Gob couldn't encode the header. Should not happen, so if it does,
			// shut down the connection to signal that the connection is broken.
			log.Println("rpc: gob error encoding response:", err)
			c.Close()
		}
		return
	}
	if err = c.enc.Encode(body); err != nil {
		if c.encBuf.Flush() == nil {

        String doc = "<?xml version='1.0'?><doc><child>foo</child></doc>";
        StringReader r = new StringReader(doc + doc) {
            @Override
            public int read(char[] cbuf, int off, int len) throws IOException {
                return super.read(cbuf, off, 1);
            }
        };
        XmlNode node1 = XmlNodeBuilder.build(r);
        XmlNode node2 = XmlNodeBuilder.build(r);
        assertEquals(node1, node2);
    }

  }

  /*
   * Abstract methods from Writer
   */

  @Override
  public void write(char[] cbuf, int off, int len) throws IOException {
    checkNotClosed();
    // It turns out that creating a new String is usually as fast, or faster
    // than wrapping cbuf in a light-weight CharSequence.
    target.append(new String(cbuf, off, len));
  }

  /*

    }

    protected LoginCredential processAuthenticationData(final HttpServletRequest request) {
        final StringBuffer urlBuf = request.getRequestURL();
        final String queryStr = request.getQueryString();
        if (queryStr != null) {
            urlBuf.append('?').append(queryStr);
        }

        final Map<String, List<String>> params = new HashMap<>();

		return 0
	}

	ctxt := u.g.ptr().cgoCtxt[u.cgoCtxt]
	u.cgoCtxt--
	cgoContextPCs(ctxt, pcBuf)
	for i, pc := range pcBuf {
		if pc == 0 {
			return i
		}
	}
	return len(pcBuf)
}

// tracebackPCs populates pcBuf with the return addresses for each frame from u
// and returns the number of PCs written to pcBuf. The returned PCs correspond
// to "logical frames" rather than "physical frames"; that is if A is inlined

	dstoff, err := dst.Seek(0, io.SeekCurrent)
	if err != nil {
		t.Fatal(err)
	}
	srcoff, err := src.Seek(0, io.SeekCurrent)
	if err != nil {
		t.Fatal(err)
	}
	if dstoff != srcoff {
		t.Errorf("offsets differ: dstoff = %d, srcoff = %d", dstoff, srcoff)
	}
	if dstoff != int64(len(data)) {
		t.Errorf("dstoff = %d, want %d", dstoff, len(data))
	}
	if n != int64(len(data)) {

    @Override
    public void write(int c) {}

    @Override
    public void write(char[] cbuf) {
      checkNotNull(cbuf);
    }

    @Override
    public void write(char[] cbuf, int off, int len) {
      checkPositionIndexes(off, off + len, cbuf.length);
    }

    @Override
    public void write(String str) {
      checkNotNull(str);
    }

    @Override

	ConnectionTimeMs  uint64
	TimestampsEnabled bool
	RttUs             uint32
	MinRttUs          uint32
	BytesInFlight     uint32
	Cwnd              uint32
	SndWnd            uint32
	RcvWnd            uint32
	RcvBuf            uint32
	BytesOut          uint64
	BytesIn           uint64
	BytesReordered    uint32
	BytesRetrans      uint32
	FastRetrans       uint32
	DupAcksIn         uint32
	TimeoutEpisodes   uint32

            def stdout = new java.io.Writer() {
                def buffer = new StringBuilder()
                def written = false

                void write(char[] cbuf, int off, int len) {
                    buffer.append(cbuf, off, len)
                    if (!written && buffer.toString().contains('$PROMPT')) {
                        written = true

    @Override
    public void write(int c) {}

    @Override
    public void write(char[] cbuf) {
      checkNotNull(cbuf);
    }

    @Override
    public void write(char[] cbuf, int off, int len) {
      checkPositionIndexes(off, off + len, cbuf.length);
    }

    @Override
    public void write(String str) {
      checkNotNull(str);
    }

    @Override