code: def __len__(cls):
      return len(cls._styles)
  
file_path: catboost/contrib/python/Pygments/py3/pygments/style.py
imports: from pygments.token import Token, STANDARD_TYPES
label_desc: Use image node_id 6 for calling the StyleMeta obj's underlying member method code with example usage: obj.__len__(cls) and returns: len