public ResponseProducer selectResponseProducer(int id, HttpExchange exchange) {
        ResourceHandlerWrapper handler;
        lock.lock();
        try {
            if (notReceived.isEmpty()) {
                // barrier open, let it travel on
                return null;
            }

            long now = clock.getCurrentTime();
            if (mostRecentEvent < now) {
                mostRecentEvent = now;
            }

        //we will use the current parent

        //(SF) This approach should generally work because at the moment we reset capturing output per suite
        //(see CaptureTestOutputTestResultProcessor) and that reset happens earlier in the chain.
        //So in theory when suite is completed, the output redirector has been already stopped
        //and there shouldn't be any output events passed
        //See also GRADLE-2035

    public void prepare() {
        atConfigurationTime = true;
    }

    public void cross() {
        if (!atConfigurationTime) {
            throw new IllegalStateException("Configuration time barrier can only be crossed once.");
        }
        atConfigurationTime = false;
    }

    @Override
    public boolean isAtConfigurationTime() {
        return atConfigurationTime;
    }

            results.put(className, classResult);
        } else if (classResult.getStartTime() == 0) {
            //class results may be created earlier, where we don't yet have access to the start time
            classResult.setStartTime(result.getStartTime());
        }
        classResult.add(methodResult);
    }

   *
   * <p>When the underlying delegate throws an exception then this memoizing supplier will keep
   * delegating calls until it returns valid data.
   *
   * <p>If {@code delegate} is an instance created by an earlier call to {@code memoize}, it is
   * returned directly.
   */
  public static <T extends @Nullable Object> Supplier<T> memoize(Supplier<T> delegate) {
    if (delegate instanceof NonSerializableMemoizingSupplier

    int mask = tableSize - 1;
    // If duplicates are allowed, this IdentityHashMap will record the final Entry for each
    // duplicated key. We will use this final Entry to overwrite earlier slots in the entries array
    // that have the same key. Then a second pass will remove all but the first of the slots that
    // have this Entry. The value in the map becomes false when this first entry has been copied, so

            // Check if the project is part of the session (not filtered by -pl, -rf, etc). If so, we check
            // if a possible earlier Maven invocation produced some output for that project which we can use.
            boolean projectHasOutputFromPreviousSession =
                    !session.getProjects().contains(project) && outputDirectory.exists();

   * IllegalArgumentException} if passed a {@code fromElement} smaller than an earlier {@code
   * fromElement}. However, this method doesn't throw an exception in that situation, but instead
   * keeps the original {@code fromElement}. Similarly, this method keeps the original {@code
   * toElement}, instead of throwing an exception, if passed a {@code toElement} greater than an
   * earlier {@code toElement}.
   */
  @Override

    if (seenExceptionsLocal == null) {
      // TODO(cpovirk): Should we use a simpler (presumably cheaper) data structure?
      /*
       * Using weak references here could let us release exceptions earlier, but:
       *
       * 1. On Android, querying a WeakReference blocks if the GC is doing an otherwise-concurrent
       * pass.
       *

        this.systemProperties = systemProperties;
        this.streamedValueListener = streamedValueListener;

        // create the listener adapters right when the ConsumerOperationParameters are instantiated but no earlier,
        // this ensures that when multiple requests are issued that are built from the same builder, such requests do not share any state kept in the listener adapters