@Nullable
  default PyAstDecorator findDecorator(String name) {
    final PyAstDecorator[] decorators = getDecorators();
    for (PyAstDecorator decorator : decorators) {
      final QualifiedName qName = decorator.getQualifiedName();
      if (qName != null && name.equals(qName.toString())) {
        return decorator;
      }
    }
    return null;
  }
@Nullable
  default PyAstDecorator findDecorator(String name)