code: def class_annotate():
      """
      Registers a class to be used by delay_type. See annotate()
      """
      global annotated_class_list
  
      def decorator(cls):
          global annotated_class_list
          annotated_class_list[cls.__name__] = cls
          return cls
  
      return decorator
  
label_desc: Use image node_id 2 for calling a global function with example usage: class_annotate() and returns: decorator, cls