code: def __init__(self, identifier):
      self.identifier = identifier
  
file_path: catboost/contrib/python/hypothesis/py2/hypothesis/utils/conventions.py
imports: from __future__ import absolute_import, division, print_function
label_desc: Use image node_id 1 to create a new UniqueIdentifier object from inherited base classes: object with example: obj = UniqueIdentifier(identifier)