class_docstr: Dictionary wrapper that prevents modifications to the dictionary 
class_docstr_tok: ["Dictionary","wrapper","that","prevents","modifications","to","the","dictionary"]
code: def __setitem__(self, key, value):
      key_value = self._set_callback(
          (
              key,
              value,
          )
      )
      if key_value:
          super(ProxyDictPreWrite, self).__setitem__(*key_value)
  
imports: import itertools
  import json
  from copy import copy
  from logging import getLogger
  import six
  import yaml
label_desc: Use image node_id 3 for calling the ProxyDictPreWrite obj's underlying member method code with example usage: obj.__setitem__(key, value) without return types