// [CanonicalHeaderKey].
func (h Header) Del(key string) {
	textproto.MIMEHeader(h).Del(key)
}

// Write writes a header in wire format.
func (h Header) Write(w io.Writer) error {
	return h.write(w, nil)
}

func (h Header) write(w io.Writer, trace *httptrace.ClientTrace) error {
	return h.writeSubset(w, nil, trace)
}

// Clone returns a copy of h or nil if h is nil.
func (h Header) Clone() Header {
	if h == nil {

func (r *Reader) AddChecksumNoTrailer(headers http.Header, ignoreValue bool) error {
	cs, err := GetContentChecksum(headers)
	if err != nil {
		return ErrInvalidChecksum
	}
	if cs == nil {
		return nil
	}
	r.contentHash = *cs
	return r.AddNonTrailingChecksum(cs, ignoreValue)
}

// AddNonTrailingChecksum will add a checksum to the reader.
// The checksum cannot be trailing.

// the size of responses.
func NewReader(r *bufio.Reader) *Reader {
	return &Reader{R: r}
}

// ReadLine reads a single line from r,
// eliding the final \n or \r\n from the returned string.
func (r *Reader) ReadLine() (string, error) {
	line, err := r.readLineSlice(-1)
	return string(line), err
}

// ReadLineBytes is like [Reader.ReadLine] but returns a []byte instead of a string.

Laura Kassovic <******@****.***> 1701107622 -0800

apiVersion: gateway.networking.k8s.io/v1beta1
kind: HTTPRoute
metadata:
  name: duplicate-header-match
spec:
  rules:
  - matches:
    - headers:
      - name: foo
        value: bar
      - name: foo

            #define HEADER_NAME "hello.h"
            #define HEADER_(X, Y) X ## Y
            #define HEADER(X, Y) HEADER_(X, Y)
            #define PREFIX HEADER_
            #define SUFFIX NAME
            #include HEADER(PREFIX, SUFFIX) // replaced with HEADER_(HEADER_, NAME) then HEADER_NAME then "hello.h"
        """

        expect:
        resolve() == [header]
    }

    val headers1 =
      Headers.Builder()
        .add("Connection", "close")
        .add("Transfer-Encoding", "chunked")
        .build()
    val headers2 =
      Headers.Builder()
        .add("Connection", "keep-alive")
        .add("Transfer-Encoding", "chunked")
        .build()
    assertThat(headers2).isNotEqualTo(headers1)
    assertThat(headers2.hashCode()).isNotEqualTo(headers1.hashCode().toLong())
  }

// Package iotest implements Readers and Writers useful mainly for testing.
package iotest

import (
	"bytes"
	"errors"
	"fmt"
	"io"
)

// OneByteReader returns a Reader that implements
// each non-empty Read by reading one byte from r.
func OneByteReader(r io.Reader) io.Reader { return &oneByteReader{r} }

type oneByteReader struct {
	r io.Reader
}

apiVersion: gateway.networking.k8s.io/v1beta1
kind: HTTPRoute
metadata:
  name: invalid-header-name
spec:
  rules:
  - matches:
    - headers:
      - type: Exact
        name: magic/

Laura Kassovic <******@****.***> 1701107622 -0800