class_docstr: Transforms an input by replacing its words with double denial forms.
  
  Example::
  
      ori: The leading actor is good
      trans: The leading actor is not bad
code: def __repr__(self):
      return "CNDoubleDenial"
  
file_path: textflint/textflint/generation/transformation/SACN/double_denial.py
imports: from ..transformation import Transformation
  from ....common.settings import CNSA_DOUBLE_DENIAL_DICT
label_desc: Use image node_id 2 for calling the CNDoubleDenial obj's underlying member method code with example usage: obj.__repr__() and returns: str