class_docstr: Accept all values and force reference discovery. 
code: def has_ref(self) -> bool:
      return True
  
file_path: bokeh/src/bokeh/core/property/any.py
imports: from __future__ import annotations
  import logging
  import typing
  from .bases import Init, Property
label_desc: Use image node_id 1 for calling the AnyRef obj's underlying member method code with example usage: obj.has_ref() and returns: True