def "get(null) is not tracked and throws"() {
        when:
        getMapUnderTestToRead().get(null)

        then:
        thrown(NullPointerException)
        0 * onAccess._
    }

    def "getOrDefault(null) is not tracked and throws"() {
        when:
        getMapUnderTestToRead().getOrDefault(null, "defaultValue")

  @JvmName("-deprecated_getTrailers")
  @Deprecated(
    message = "moved to var",
    replaceWith = ReplaceWith(expression = "trailers"),
    level = DeprecationLevel.ERROR,
  )
  fun getTrailers(): Headers = trailers

  fun setTrailers(trailers: Headers) = apply { this.trailers = trailers }

  @JvmName("-deprecated_getSocketPolicy")
  @Deprecated(
    message = "moved to var",

    fun headers(headers: Headers) =
      apply {
        this.headers = headers.newBuilder()
      }

    /** Sets the trailers and returns this. */
    fun trailers(trailers: Headers) =
      apply {
        this.trailers = trailers.newBuilder()
      }

    /** Sets the socket policy and returns this. */
    fun socketPolicy(socketPolicy: SocketPolicy) =
      apply {

		delete(it.createdPreInit, GoID(ev.Args[0]))
	case oldtrace.EvGoInSyscall:
		mappedType = go122.EvGoStatus
		// In the new tracer, GoStatus with GoSyscall knows what thread the
		// syscall is on. In the old tracer, EvGoInSyscall doesn't contain that
		// information and all we can do here is specify NoThread.
		mappedArgs = timedEventArgs{ev.Args[0], ^uint64(0), uint64(go122.GoSyscall)}

    if (flushHeaders) {
      connection.flush()
    }
  }

  fun enqueueTrailers(trailers: Headers) {
    this.withLock {
      check(!sink.finished) { "already finished" }
      require(trailers.size != 0) { "trailers.size() == 0" }
      this.sink.trailers = trailers
    }
  }

  fun readTimeout(): Timeout = readTimeout

  fun writeTimeout(): Timeout = writeTimeout

    "http": {
      "name": "envoy.tracers.lightstep",
      "typed_config": {
        "@type": "type.googleapis.com/envoy.config.trace.v3.LightstepConfig",
        "collector_cluster": "lightstep",
        "access_token_file": "{{ .lightstepToken}}"
      }
    }
  }
  {{- else if .datadog }}
  ,
  "tracing": {
    "http": {
      "name": "envoy.tracers.datadog",
      "typed_config": {

  private val Request.isChunked: Boolean
    get() = "chunked".equals(header("Transfer-Encoding"), ignoreCase = true)

  /**
   * Received trailers. Null unless the response body uses chunked transfer-encoding and includes
   * trailers. Undefined until the end of the response body.
   */
  private var trailers: Headers? = null

  /** Returns true if this connection is closed. */
  val isClosed: Boolean
    get() = state == STATE_CLOSED

#### The time to answer helps the attackers

At that point, by noticing that the server took some microseconds longer to send the "Incorrect username or password" response, the attackers will know that they got _something_ right, some of the initial letters were right.

	// only the last chunk is zero-sized.
	if len(cr.buffer) == 0 {
		if cr.debug {
			fmt.Println("EOF. Reading Trailers:", cr.trailers)
		}
		if cr.trailers != nil {
			err = cr.readTrailers()
			if cr.debug {
				fmt.Println("trailers returned:", err, "now:", cr.trailers)
			}
			if err != nil {
				cr.err = err
				return 0, err
			}
		}
		cr.err = io.EOF
		return n, cr.err
	}

      else -> response.headersContentLength()
    }
  }

  override fun openResponseBodySource(response: Response): Source {
    return stream!!.source
  }

  override fun trailers(): Headers {
    return stream!!.trailers()
  }

  override fun cancel() {
    canceled = true
    stream?.closeLater(ErrorCode.CANCEL)
  }

  companion object {
    private const val CONNECTION = "connection"