@Override
            public Class<?> loadClass(String name) throws ClassNotFoundException {
                if ("org.apache.commons.httpclient.MultiThreadedHttpConnectionManager".equals(name)) {
                    // Simulate class not found
                    throw new ClassNotFoundException(name);
                }
                return super.loadClass(name);
            }
        };

    return new URLClassLoader(ClassPathUtil.getClassPathUrls(), classLoader) {
      @Override
      public Class<?> loadClass(String name) throws ClassNotFoundException {
        if (blocklist.contains(name)) {
          throw new ClassNotFoundException("I'm sorry Dave, I'm afraid I can't do that.");
        }
        if (name.startsWith(concurrentPackage)) {
          Class<?> c = findLoadedClass(name);

    return new URLClassLoader(ClassPathUtil.getClassPathUrls(), classLoader) {
      @Override
      public Class<?> loadClass(String name) throws ClassNotFoundException {
        if (blocklist.contains(name)) {
          throw new ClassNotFoundException("I'm sorry Dave, I'm afraid I can't do that.");
        }
        if (name.startsWith(concurrentPackage)) {
          Class<?> c = findLoadedClass(name);

          @GuardedBy("loadedClasses")
          final Map<String, Class<?>> loadedClasses = new HashMap<>();

          @Override
          public Class<?> loadClass(String name) throws ClassNotFoundException {
            if (name.startsWith(concurrentPackage)
                // Use other classloader for ListenableFuture, so that the objects can interact
                && !ListenableFuture.class.getName().equals(name)) {

          @GuardedBy("loadedClasses")
          final Map<String, Class<?>> loadedClasses = new HashMap<>();

          @Override
          public Class<?> loadClass(String name) throws ClassNotFoundException {
            if (name.startsWith(concurrentPackage)
                // Use other classloader for ListenableFuture, so that the objects can interact
                && !ListenableFuture.class.getName().equals(name)) {

          + ")";
    }

    @GwtIncompatible
    @J2ktIncompatible
        private void readObject(ObjectInputStream in) throws IOException, ClassNotFoundException {
      in.defaultReadObject();
      lock = new Object();
    }

    @GwtIncompatible @J2ktIncompatible private static final long serialVersionUID = 0;
  }

    public static Object bad(@SuppressWarnings("unused") String a) {
      return new BadNulls();
    }

    private BadNullsFactory() {}
  }

  @AndroidIncompatible // TODO(cpovirk): ClassNotFoundException... ClassSanityTesterTest$AnInterface
  public void testSerializableOnReturnValues_good() throws Exception {
    tester.forAllPublicStaticMethods(GoodSerializableFactory.class).testSerializable();
  }

        }

        @Override
        public Class<?> fromComponentNameToClass(String componentName) {
            try {
                return Class.forName(componentName);
            } catch (ClassNotFoundException e) {
                return null;
            }
        }

        @Override
        public Class<?> toCompleteClass(Class<?> clazz) {
            return clazz;
        }

          + ")";
    }

    @GwtIncompatible
    @J2ktIncompatible
        private void readObject(ObjectInputStream in) throws IOException, ClassNotFoundException {
      in.defaultReadObject();
      lock = new Object();
    }

    @GwtIncompatible @J2ktIncompatible private static final long serialVersionUID = 0;
  }

    new ClassSanityTester().forAllPublicStaticMethods(Functions.class).testNulls();
  }

  @J2ktIncompatible
  @GwtIncompatible // reflection
  @AndroidIncompatible // TODO(cpovirk): ClassNotFoundException: com.google.common.base.Function
  // (I suspect that this and the other similar failures happen with ArbitraryInstances proxies.)
  public void testEqualsAndSerializable() throws Exception {