class_docstr: Dict-like container for Extension fields on proto instances.
  
  Note that in all cases we expect extension handles to be
  FieldDescriptors.
class_docstr_tok: ["Dict-like","container","for","Extension","fields","on","proto","instances",".","Note","that","in","all","cases","we","expect","extension","handles","to","be","FieldDescriptors","."]
code: def __delitem__(self, extension_handle):
      self._extended_message.ClearExtension(extension_handle)
  
file_path: catboost/contrib/python/protobuf/py3/google/protobuf/internal/extension_dict.py
imports: from google.protobuf.internal import type_checkers
  from google.protobuf.descriptor import FieldDescriptor
label_desc: Use image node_id 8 for calling the _ExtensionDict obj's underlying member method code with example usage: obj.__delitem__(extension_handle) without return types