rootComponent: ResolvedComponentResult,
    rootVariant: ResolvedVariantResult
): Set<ComponentIdentifier> {
    val locallyAccessible = mutableSetOf<ComponentIdentifier>()
    val externallyAccessible = mutableSetOf<ComponentIdentifier>()

    val seen = mutableSetOf<ResolvedVariantResult>()
    val queue = ArrayDeque<DependencyResult>()

    val rootDependencies = rootComponent.getDependenciesForVariant(rootVariant)

                        try {
                            collector.collectFrom(sourceFile).forEach { (version, incubating) ->
                                versionToIncubating.getOrPut(version) { mutableSetOf() }.addAll(incubating)
                            }
                        } catch (e: Exception) {
                            throw Exception("Unable to parse $sourceFile", e)
                        }

 * a specific IP address or proxy server, that failure is remembered and alternate routes are
 * preferred.
 */
class RouteDatabase {
  private val _failedRoutes = mutableSetOf<Route>()

  val failedRoutes: Set<Route>
    @Synchronized get() = _failedRoutes.toSet()

  /** Records a failure connecting to [failedRoute]. */
  @Synchronized fun failed(failedRoute: Route) {

  init {
    val map = mutableMapOf<X500Principal, MutableSet<X509Certificate>>()
    for (caCert in caCerts) {
      map.getOrPut(caCert.subjectX500Principal) { mutableSetOf() }.add(caCert)
    }
    this.subjectToCaCerts = map
  }

  override fun findByIssuerAndSignature(cert: X509Certificate): X509Certificate? {
    val issuer = cert.issuerX500Principal

                        }
                    }
                }
            }
        }

    private
    fun cleanUpDaemons() {
        val alreadyKilled = mutableSetOf<String>()
        forEachJavaProcess { pid, _ ->
            suspiciousDaemons.forEach { (suite, pids) ->
                if (pid in pids && pid !in alreadyKilled) {

   */
  private val enforceOrder: Boolean = true,
) : ConnectionListener() {
  val eventSequence: Deque<ConnectionEvent> = ConcurrentLinkedDeque()

  private val forbiddenLocks = mutableSetOf<Any>()

  /** The timestamp of the last taken event, used to measure elapsed time between events. */
  private var lastTimestampNs: Long? = null

  val writer = Http2Writer(builder.sink, client)

  // Visible for testing
  val readerRunnable = ReaderRunnable(Http2Reader(builder.source, client))

  // Guarded by this.
  private val currentPushRequests = mutableSetOf<Int>()

  init {
    if (builder.pingIntervalMillis != 0) {
      val pingIntervalNanos = TimeUnit.MILLISECONDS.toNanos(builder.pingIntervalMillis.toLong())