code: def __init__(self, node_to_str_map):
      self._node_to_str_map = node_to_str_map
  
imports: from contextlib import contextmanager
  from parso._compatibility import use_metaclass
label_desc: Use image node_id 1 to create a new RefactoringNormalizer object from inherited base classes: Normalizer with example: obj = RefactoringNormalizer(node_to_str_map)