code: def __init__(self, grammar, config):
      self.grammar = grammar
      self._config = config
      self.issues = []
  
      self._rule_type_instances = self._instantiate_rules(
          "rule_type_classes"
      )
      self._rule_value_instances = self._instantiate_rules(
          "rule_value_classes"
      )
  
imports: from contextlib import contextmanager
  from typing import Dict, List
label_desc: Use image node_id 1 to create a new Normalizer object  with example: obj = Normalizer(grammar, config)