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;
            }

    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.
       *

            buildJvmOpts.add("-Xmx512m");
        }
        if (getJavaVersionFromJavaHome().compareTo(JavaVersion.VERSION_1_8) < 0) {
            // Although Gradle isn't supported on earlier versions, some tests do run it using Java 6 and 7 to verify it behaves well in this case
            buildJvmOpts.add("-XX:MaxPermSize=320m");
        } else {
            buildJvmOpts.add("-XX:MaxMetaspaceSize=512m");

        // We only check for groupId/artifactId/version/classifier cause if there is another
        // module with the same groupId/artifactId/version/classifier this will fail the build
        // earlier like "Project '...' is duplicated in the reactor.
        // So it is sufficient to check only groupId/artifactId/version/classifier and not the
        // packaging type.
        for (Dependency dependency : dependencies) {

   * so that we get partial compile-time checking.)
   *
   * <p>This workaround should be removed at a distant future time when we no longer support Java
   * versions earlier than 8.
   */
  @SuppressWarnings("removal") // b/318391980
  private static final class TypeVariableInvocationHandler implements InvocationHandler {
    private static final ImmutableMap<String, Method> typeVariableMethods;

   * 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 (result == null) {
            throw new Failure("Could not determine the opcode for intercepting the call");
        }
        return result;
    }

    // TODO: move validation earlier?

    private static void generateInterceptedInvocation(CallInterceptionRequest request, FieldSpec implTypeField, CodeBlock.Builder method) {
        CallableInfo callable = request.getInterceptedCallable();