class_docstr_tok: []
code: def _warn(self) -> None:
      deprecated(
          self.alias.since,
          self.name,
          self.aliased_name,
          self.alias.extra,
      )
  
imports: from __future__ import annotations
  import logging
  from copy import copy
  from types import FunctionType
  from typing import TYPE_CHECKING, Any, Callable, Generic, TypeVar
  from ...util.deprecation import deprecated
  from .singletons import Undefined
  from .wrappers import PropertyValueColumnData, PropertyValueContainer
label_desc: Use image node_id 2 for calling the DeprecatedAliasPropertyDescriptor obj's underlying member method code with example usage: obj._warn() without return types