mockResponse.headers = headersOf()
    mockResponse.trailers = headersOf()
    mockResponse = mockResponse.removeHeader("")
    var body: Buffer? = mockResponse.getBody()
    mockResponse = mockResponse.setBody(Buffer())
    mockResponse = mockResponse.setChunkedBody(Buffer(), 0)
    mockResponse = mockResponse.setChunkedBody("", 0)
    var socketPolicy: SocketPolicy = mockResponse.socketPolicy

func (set TargetIDSet) IsEmpty() bool {
	return len(set) != 0
}

// Clone - returns copy of this set.
func (set TargetIDSet) Clone() TargetIDSet {
	setCopy := NewTargetIDSet()
	maps.Copy(setCopy, set)
	return setCopy
}

// add - adds TargetID to the set.
func (set TargetIDSet) add(targetID TargetID) {
	set[targetID] = struct{}{}
}

// Union - returns union with given set as new set.

import "maps"

// TargetIDSet - Set representation of TargetIDs.
type TargetIDSet map[TargetID]struct{}

// Clone - returns copy of this set.
func (set TargetIDSet) Clone() TargetIDSet {
	setCopy := NewTargetIDSet()
	maps.Copy(setCopy, set)
	return setCopy
}

// add - adds TargetID to the set.
func (set TargetIDSet) add(targetID TargetID) {
	set[targetID] = struct{}{}
}

// Union - returns union with given set as new set.

		case *bytes.Buffer:
			req.ContentLength = int64(v.Len())
			buf := v.Bytes()
			req.GetBody = func() (io.ReadCloser, error) {
				r := bytes.NewReader(buf)
				return io.NopCloser(r), nil
			}
		case *bytes.Reader:
			req.ContentLength = int64(v.Len())
			snapshot := *v
			req.GetBody = func() (io.ReadCloser, error) {
				r := snapshot
				return io.NopCloser(&r), nil
			}

	public synthetic fun <init> (Lmockwebserver3/MockResponse$Builder;Lkotlin/jvm/internal/DefaultConstructorMarker;)V
	public final fun getBody ()Lmockwebserver3/MockResponseBody;
	public final fun getBodyDelayNanos ()J
	public final fun getCode ()I
	public final fun getDoNotReadRequestBody ()Z
	public final fun getFailHandshake ()Z

		mode = msdosModeToFileMode(h.ExternalAttrs)
	}
	if len(h.Name) > 0 && h.Name[len(h.Name)-1] == '/' {
		mode |= fs.ModeDir
	}
	return mode
}

// SetMode changes the permission and mode bits for the [FileHeader].
func (h *FileHeader) SetMode(mode fs.FileMode) {
	h.CreatorVersion = h.CreatorVersion&0xff | creatorUnix<<8
	h.ExternalAttrs = fileModeToUnixMode(mode) << 16

  val result = mockwebserver3.MockResponse.Builder()
  val copyFromWebSocketListener = webSocketListener
  if (copyFromWebSocketListener != null) {
    result.webSocketUpgrade(copyFromWebSocketListener)
  }

  val body = getBody()
  if (body != null) result.body(body)

  for (pushPromise in pushPromises) {
    result.addPush(pushPromise.wrap())
  }

  result.settings(settings)
  result.status(status)
  result.headers(headers)

RecordedRequest request = server.takeRequest();
assertEquals("POST /v1/chat/send HTTP/1.1", request.getRequestLine());
assertEquals("application/json; charset=utf-8", request.getHeaders().get("Content-Type"));
assertEquals("{}", request.getBody().readUtf8());
```

### Kotlin
```kotlin
val request = server.takeRequest()
assertEquals("POST /v1/chat/send HTTP/1.1", request.requestLine)

		}
	}
}

func testCreate(t *testing.T, w *Writer, wt *WriteTest) {
	header := &FileHeader{
		Name:   wt.Name,
		Method: wt.Method,
	}
	if wt.Mode != 0 {
		header.SetMode(wt.Mode)
	}
	f, err := w.CreateHeader(header)
	if err != nil {
		t.Fatal(err)
	}
	_, err = f.Write(wt.Data)
	if err != nil {
		t.Fatal(err)
	}
}

pkg net/http, type PushOptions struct
pkg net/http, type PushOptions struct, Header Header
pkg net/http, type PushOptions struct, Method string
pkg net/http, type Request struct, GetBody func() (io.ReadCloser, error)
pkg net/http, type Server struct, IdleTimeout time.Duration
pkg net/http, type Server struct, ReadHeaderTimeout time.Duration
pkg net/http, type Transport struct, ProxyConnectHeader Header