select {
					case <-ctx.Done():
						return nil
					case out <- toSend:
					}
				}
				return nil
			},

			Subroute:    "some-subroute",
			OutCapacity: 1, // Only one message buffered.
			InCapacity:  0,
		}))
		errFatal(err)
	}
	const payloadSize = 512
	rng := rand.New(rand.NewSource(time.Now().UnixNano()))
	payload := make([]byte, payloadSize)
	_, err = rng.Read(payload)

					}
					b.write0(b.buf[pos : pos+c.size])
					pos += c.size
				}
			}
		}

		if i+1 == len(b.lines) {
			// last buffered line - we don't have a newline, so just write
			// any outstanding buffered data
			b.write0(b.buf[pos : pos+b.cell.size])
			pos += b.cell.size
		} else {
			// not the last line - write newline
			b.write0(newline)
		}
	}
	return
}

   *     helpful predefined constants
   * @return the buffered reader
   */
  public static BufferedReader newReader(File file, Charset charset) throws FileNotFoundException {
    checkNotNull(file);
    checkNotNull(charset);
    return new BufferedReader(new InputStreamReader(new FileInputStream(file), charset));
  }

  /**
   * Returns a buffered writer that writes to a file using the given character set.
   *

//  blocked on it for both sending and receiving using a select statement,
//  in which case the length of c.sendq and c.recvq is limited only by the
//  size of the select statement.
//
// For buffered channels, also:
//  c.qcount > 0 implies that c.recvq is empty.
//  c.qcount < c.dataqsiz implies that c.sendq is empty.

import (
	"internal/abi"
	"internal/runtime/atomic"
	"runtime/internal/math"
	"unsafe"

)

var log2Lookup = [8]int{2, 4, 8, 16, 32, 64, 128, 256}

func log2(x int) int {
	for i, v := range log2Lookup {
		if x <= v {
			return i
		}
	}
	return -1
}

// writer is a buffered writer.
type writer interface {
	Flush() error
	io.Writer
	io.ByteWriter
}

// encoder encodes an image to the GIF format.
type encoder struct {

        // that happens, then we will have buffered bytes that are needed by the SSLSocket!
        // This check is imperfect: it doesn't tell us whether a handshake will succeed, just
        // that it will almost certainly fail because the proxy has sent unexpected data.
        if (source?.buffer?.exhausted() == false || sink?.buffer?.exhausted() == false) {
          throw IOException("TLS tunnel buffered too many bytes!")
        }

            val decorate: (PropertyProblem, ProblemSeverity) -> DecoratedPropertyProblem
        ) : State() {

            private
            val hashingStream = HashingOutputStream(Hashing.md5(), spoolFile.outputStream().buffered())

            private
            val writer = HtmlReportWriter(hashingStream.writer())

            init {
                executor.submit {

	// or we find a reason to stop (boundary or read error).
	for p.n == 0 && p.err == nil {
		peek, _ := br.Peek(br.Buffered())
		p.n, p.err = scanUntilBoundary(peek, p.mr.dashBoundary, p.mr.nlDashBoundary, p.total, p.readErr)
		if p.n == 0 && p.err == nil {
			// Force buffered I/O to read more into buffer.
			_, p.readErr = br.Peek(len(peek) + 1)
			if p.readErr == io.EOF {
				p.readErr = io.ErrUnexpectedEOF
			}

	// Optimistically assume that we have started to buffer the next line
	// and it starts with an ASCII letter (the next header key), or a blank
	// line, so we can avoid copying that buffered data around in memory
	// and skipping over non-existent whitespace.
	if r.R.Buffered() > 1 {
		peek, _ := r.R.Peek(2)
		if len(peek) > 0 && (isASCIILetter(peek[0]) || peek[0] == '\n') ||
			len(peek) == 2 && peek[0] == '\r' && peek[1] == '\n' {

   *     helpful predefined constants
   * @return the buffered reader
   */
  public static BufferedReader newReader(File file, Charset charset) throws FileNotFoundException {
    checkNotNull(file);
    checkNotNull(charset);
    return new BufferedReader(new InputStreamReader(new FileInputStream(file), charset));
  }

  /**
   * Returns a buffered writer that writes to a file using the given character set.
   *