class_docstr: Slot which can be used to store any value.
  
  Users need to create a subclass of `Slot` in case
  the information is supposed to get featurized.
class_docstr_tok: ["Slot","which","can","be","used","to","store","any","value",".","Users","need","to","create","a","subclass","of","`","Slot","`","in","case","the","information","is","supposed","to","get","featurized","."]
code: def _as_feature(self) -> List[float]:
      raise InvalidSlotConfigError(
          f"An {AnySlot.__name__} cannot be featurized. "
          f"Please use a different slot type for slot '{self.name}' instead. If you "
          f"need to featurize a data type which is not supported out of the box, "
          f"implement a custom slot type by subclassing '{Slot.__name__}'. "
          f"See the documentation for more information: {DOCS_URL_SLOTS}"
      )
  
imports: import logging
  from abc import ABC, abstractmethod
  from typing import Any, Dict, List, Optional, Text, Type
  import rasa.shared.core.constants
  from rasa.shared.exceptions import RasaException
  import rasa.shared.utils.common
  import rasa.shared.utils.io
  from rasa.shared.constants import DOCS_URL_SLOTS
label_desc: Use image node_id 3 for calling the AnySlot obj's underlying member method code with example usage: obj._as_feature() without return types