}
    return result;
  }

  private List<Class<?>> loadClassesInPackage() throws IOException {
    List<Class<?>> classes = new ArrayList<>();
    String packageName = getClass().getPackage().getName();
    for (ClassPath.ClassInfo classInfo :
        ClassPath.from(getClass().getClassLoader()).getTopLevelClasses(packageName)) {
      Class<?> cls;
      try {
        cls = classInfo.load();

          map.putIfAbsent(new Signature(method), method);
        }
      }
      return map.values();
    }

    private ImmutableList<Method> getVisibleMethods(Class<?> cls) {
      // Don't use cls.getPackage() because it does nasty things like reading
      // a file.
      String visiblePackage = Reflection.getPackageName(cls);
      ImmutableList.Builder<Method> builder = ImmutableList.builder();