assertEquals(
        ImmutableList.copyOf(type.getTypeParameters()),
        ImmutableList.copyOf(returnType.getActualTypeArguments()));
  }

  public void testConstructor_exceptionTypes() throws Exception {
    assertEquals(
        ImmutableList.of(TypeToken.of(NullPointerException.class)),
        Prepender.constructor(String.class, int.class).getExceptionTypes());
  }

  }

  private static class CannotConstruct<E extends Throwable> {
    @Keep
    public CannotConstruct() throws E {}
  }

  public <T extends CannotConstruct<AssertionError>> void testConstructor_exceptionTypes()
      throws NoSuchMethodException {
    @SuppressWarnings("rawtypes") // Reflection API skew
    Constructor<CannotConstruct> constructor = CannotConstruct.class.getConstructor();