class_docstr: A style that doesn't style anything.
class_docstr_tok: ["A","style","that","does","n't","style","anything","."]
code: def get_attrs_for_style_str(
      self, style_str: str, default: Attrs = DEFAULT_ATTRS
  ) -> Attrs:
      return default
  
imports: from __future__ import annotations
  from abc import ABCMeta, abstractmethod, abstractproperty
  from typing import Callable, Hashable, NamedTuple
label_desc: Use image node_id 1 for calling the DummyStyle obj's underlying member method code with example usage: obj.get_attrs_for_style_str(style_str, default) and returns: default