code: def instantiate_object_id_field(object_id_class_or_tuple=models.TextField):
      
      if isinstance(object_id_class_or_tuple, (list, tuple)):
          object_id_class, object_id_kwargs = object_id_class_or_tuple
      else:
          object_id_class = object_id_class_or_tuple
          object_id_kwargs = {}
  
      if not issubclass(object_id_class, models.fields.Field):
          raise TypeError('settings.%s must be a Django model field or (field, kwargs) tuple' % OBJECT_ID_TYPE_SETTING)
      if not isinstance(object_id_kwargs, dict):
          raise TypeError('settings.%s kwargs must be a dict' % OBJECT_ID_TYPE_SETTING)
  
      return object_id_class(db_index=True, **object_id_kwargs)
docs: Instantiates and returns a model field for FieldHistory.object_id.
  
      object_id_class_or_tuple may be either a Django model field class or a
      tuple of (model_field, kwargs), where kwargs is a dict passed to
      model_field's constructor.