return err
		}
	} else {
		// Write the starting clear code, as w.Write did not.
		clear := uint32(1) << w.litWidth
		if err := w.write(w, clear); err != nil {
			return err
		}
	}
	// Write the eof code.
	eof := uint32(1)<<w.litWidth + 1
	if err := w.write(w, eof); err != nil {
		return err
	}
	// Write the final bits.
	if w.nBits > 0 {
		if w.order == MSB {

// NewWriter creates a new byte format writer.
func NewWriter(w io.Writer, v version.Version) (*Writer, error) {
	_, err := version.WriteHeader(w, v)
	return &Writer{w: w, v: v, specs: v.Specs()}, err
}

// WriteEvent writes a single event to the trace wire format stream.
func (w *Writer) WriteEvent(e Event) error {
	// Check version.
	if e.Version != w.v {

}

// Write encodes p using quoted-printable encoding and writes it to the
// underlying [io.Writer]. It limits line length to 76 characters. The encoded
// bytes are not necessarily flushed until the [Writer] is closed.
func (w *Writer) Write(p []byte) (n int, err error) {
	for i, b := range p {
		switch {
		// Simple writes are done in batch.
		case b >= '!' && b <= '~' && b != '=':
			continue

	w       *bufio.Writer
}

// NewWriter returns a new Writer that writes to w.
func NewWriter(w io.Writer) *Writer {
	return &Writer{
		Comma: ',',
		w:     bufio.NewWriter(w),
	}
}

// Write writes a single CSV record to w along with any necessary quoting.
// A record is a slice of strings with each string being one field.
// Writes are buffered, so [Writer.Flush] must eventually be called to ensure

package textproto

import (
	"bufio"
	"fmt"
	"io"
)

// A Writer implements convenience methods for writing
// requests or responses to a text protocol network connection.
type Writer struct {
	W   *bufio.Writer
	dot *dotWriter
}

// NewWriter returns a new [Writer] writing to w.
func NewWriter(w *bufio.Writer) *Writer {
	return &Writer{W: w}
}

var crnl = []byte{'\r', '\n'}

	"errors"
	"fmt"
	"io"
	"net/textproto"
	"slices"
	"strings"
)

// A Writer generates multipart messages.
type Writer struct {
	w        io.Writer
	boundary string
	lastpart *part
}

// NewWriter returns a new multipart [Writer] with a random boundary,
// writing to w.
func NewWriter(w io.Writer) *Writer {
	return &Writer{
		w:        w,
		boundary: randomBoundary(),
	}
}

apiVersion: release-notes/v2
kind: bug-fix
area: traffic-management
releaseNotes:
  - |

)

func initRewrite() {
	if *rewriteRule == "" {
		rewrite = nil // disable any previous rewrite
		return
	}
	f := strings.Split(*rewriteRule, "->")
	if len(f) != 2 {
		fmt.Fprintf(os.Stderr, "rewrite rule must be of the form 'pattern -> replacement'\n")
		os.Exit(2)
	}
	pattern := parseExpr(f[0], "pattern")
	replace := parseExpr(f[1], "replacement")
	rewrite = func(fset *token.FileSet, p *ast.File) *ast.File {

  // CHECK-SAME: _replication_info = "write", _xla_compile_device_type = "TPU"
  %0:2 = "tf_device.cluster_func"(%arg0, %arg1) {_replication_info = "write", _xla_compile_device_type = "TPU", func = @write_func} : (tensor<i32>, tensor<f32>) -> (tensor<f32>, tensor<i32>)
  // CHECK-NEXT: "tf.AssignVariableOp"([[ARG2]], [[CLUSTER]]#1)
  "tf.AssignVariableOp"(%arg2, %0#1) : (tensor<*x!tf_type.resource<tensor<i32>>>, tensor<i32>) -> ()

				break // continue chunk on next writev
			}
			iovecs[len(iovecs)-1].SetLen(len(chunk))
			if len(iovecs) == maxVec {
				break
			}
		}
		if len(iovecs) == 0 {
			break
		}
		if fd.iovecs == nil {
			fd.iovecs = new([]syscall.Iovec)
		}
		*fd.iovecs = iovecs // cache

		var wrote uintptr
		wrote, err = writev(fd.Sysfd, iovecs)
		if wrote == ^uintptr(0) {
			wrote = 0
		}