ctx, cancel := context.WithTimeout(ctx, madmin.MaxClientPerfTimeout)
	defer cancel()
	totalRx := int64(0)
	connectTime := time.Now()
	for {
		n, err := io.CopyN(xioutil.Discard, r.Body, 128*humanize.KiByte)
		if err != nil && err != io.EOF && err != io.ErrUnexpectedEOF {
			// would mean the network is not stable. Logging here will help in debugging network issues.

   */
  @SuppressWarnings("serial") // This class is never serialized.
  static class Segment<K, V> extends ReentrantLock {

    /*
     * TODO(fry): Consider copying variables (like evictsBySize) from outer class into this class.
     * It will require more memory but will reduce indirection.
     */

    /*

   */
  @SuppressWarnings("serial") // This class is never serialized.
  static class Segment<K, V> extends ReentrantLock {

    /*
     * TODO(fry): Consider copying variables (like evictsBySize) from outer class into this class.
     * It will require more memory but will reduce indirection.
     */

    /*

	w.canWriteContinue.Store(false)
	w.writeContinueMu.Unlock()
}

// writerOnly hides an io.Writer value's optional ReadFrom method
// from io.Copy.
type writerOnly struct {
	io.Writer
}

// ReadFrom is here to optimize copying from an [*os.File] regular file
// to a [*net.TCPConn] with sendfile, or from a supported src type such
// as a *net.TCPConn on Linux with splice.

// purpose of this bitmap is to keep pointers visible to the GC between
// returning from reflectcall and actually using them.
//
// If copying result bytes back from the stack, the caller must pass the
// argument frame type as stackArgsType, so that call can execute appropriate
// write barriers during the copy.
//
// Arguments passed through to call do not escape. The type is used only in a

	Traverse(func(AST) bool)

	// Copy an AST with possible transformations.
	// If the skip function returns true, no copy is required.
	// If the copy function returns nil, no copy is required.
	// The Copy method will do the right thing if copy returns nil
	// for some components of an AST but not others, so a good
	// copy function will only return non-nil for AST values that
	// need to change.

		done := make(chan bool)
		go func() {
			io.Copy(rw, pr)
			close(done)
		}()
		time.Sleep(25 * time.Millisecond) // give Copy a chance to break things
		n, err := io.Copy(io.Discard, req.Body)
		if err != nil {
			t.Errorf("handler Copy: %v", err)
			return
		}
		if n != size {
			t.Errorf("handler Copy = %d; want %d", n, size)
		}
		pw.Write([]byte("hi"))
		pw.Close()

          }

          Node* copy;
          if (node_map.find(n) != node_map.end()) {
            // Already copied this node.
            copy = node_map.at(n);
          } else if (IsKeyPlaceholderNode(*n)) {
            // Change a).
            copy = key_placeholder;
            node_map[n] = copy;
          } else {
            // Copy the node.
            NodeDef copy_def = n->def();

    private Combiner(boolean allMustSucceed, Iterable<? extends ClosingFuture<?>> inputs) {
      this.allMustSucceed = allMustSucceed;
      this.inputs = ImmutableList.copyOf(inputs);
      for (ClosingFuture<?> input : inputs) {
        input.becomeSubsumedInto(closeables);
      }
    }

    /**

      // stack trace of where the get() call was made, and the inner should have the stack trace of
      // where the immediateCancelledFuture() call was made.
      List<StackTraceElement> stackTrace = ImmutableList.copyOf(expected.getStackTrace());
      assertFalse(Iterables.any(stackTrace, hasClassName(CallerClass1.class)));
      assertTrue(Iterables.any(stackTrace, hasClassName(CallerClass2.class)));