fun readLine(): String {
    val line = source.readUtf8LineStrict(headerLimit)
    headerLimit -= line.length.toLong()
    return line
  }

  /** Reads headers or trailers. */
  fun readHeaders(): Headers {
    val result = Headers.Builder()
    while (true) {
      val line = readLine()
      if (line.isEmpty()) break
      result.addLenient(line)
    }
    return result.build()

    taskName.startsWith("noDaemon")

fun DistributionTest.addSetUpAndTearDownActions() {
    cachesCleaner = cachesCleanerService
    gradle.rootBuild().sharedServices.registrations.findByName("daemonTracker")?.let {
        tracker = it.service
    }
}

fun DistributionTest.configureGradleTestEnvironment() {
    val taskName = name

    gradleInstallationForTest.apply {
        if (executerRequiresDistribution(taskName)) {

// and x/net/http2. It comes with no API stability promise.
package httpguts

import (
	"net/textproto"
	"strings"
)

// ValidTrailerHeader reports whether name is a valid header field name to appear
// in trailers.
// See RFC 7230, Section 4.1.2
func ValidTrailerHeader(name string) bool {
	name = textproto.CanonicalMIMEHeaderKey(name)
	if strings.HasPrefix(name, "If-") || badTrailer[name] {
		return false
	}
	return true
}

	}

	if tracer := config.GetTracing().GetLightstep(); tracer != nil {
		if err := ValidateLightstepCollector(tracer); err != nil {
			errs = multierror.Append(errs, multierror.Prefix(err, "invalid lightstep config:"))
		}
	}

	if tracer := config.GetTracing().GetZipkin(); tracer != nil {
		if err := ValidateZipkinCollector(tracer); err != nil {

	} else {
		res.Body = http.NoBody
	}
	res.ContentLength = parseContentLength(res.Header.Get("Content-Length"))

	if trailers, ok := rw.snapHeader["Trailer"]; ok {
		res.Trailer = make(http.Header, len(trailers))
		for _, k := range trailers {
			for _, k := range strings.Split(k, ",") {
				k = http.CanonicalHeaderKey(textproto.TrimString(k))
				if !httpguts.ValidTrailerHeader(k) {

    // Last write is indirectly tracked by any read predecessor we added.
    is_last_write_indirectly_tracked =
        !access_info.reads_since_last_write.empty();
  }
  if (!is_last_write_indirectly_tracked) {
    // Add last write as predecessor since it was not indirectly tracked.
    new_control_predecessors.insert(access_info.last_writes.begin(),

	attrDestIP           = "destination.ip"         // supports both single ip and cidr, e.g. "10.1.2.3" or "10.1.0.0/16".
	attrDestPort         = "destination.port"       // must be in the range [0, 65535].
	attrDestLabel        = "destination.labels"     // label name is surrounded by brackets, e.g. "destination.labels[version]".

# Below TRACEGLOBAL manages the global tracing buffer.
# Note that traceBuf eventually chains to MALLOC, but we never get that far
# in the situation where there's no P.
< traceBuf;
# Starting/stopping tracing traces strings.
traceBuf < traceStrings;

# Malloc
allg,
  allocmR,
  allp, # procresize
  execR, # May grow stack
  execW, # May allocate after BeforeFork
  hchan,
  notifyList,
  reflectOffs,

  /**
   * Process the response without even attempting to reading the request body. For HTTP/2 this will
   * send [http2ErrorCode] after the response body or trailers. For HTTP/1 this will close the
   * socket after the response body or trailers.
   */
  class DoNotReadRequestBody(
    val http2ErrorCode: Int = 0,
  ) : SocketPolicy

  /** Don't trust the client during the SSL handshake. */

	for i, crit := range s.criteria {
		if !crit.standardStatusAction(i == len(s.criteria)-1) {
			return false
		}
	}
	return true
}

// nssCriterion is the parsed structure of one of the criteria in brackets
// after an NSS source name.
type nssCriterion struct {
	negate bool   // if "!" was present
	status string // e.g. "success", "unavail" (lowercase)
	action string // e.g. "return", "continue" (lowercase)
}