class_docstr: A base class for Bokeh properties with simple get/set and serialization
  behavior.
class_docstr_tok: ["A","base","class","for","Bokeh","properties","with","simple","get\/set","and","serialization","behavior","."]
docstr: Whether this property is read-only.
  
  Read-only properties may only be modified by the client (i.e., by BokehJS
  in the browser).
code: def readonly(self) -> bool:
      """Whether this property is read-only.
  
      Read-only properties may only be modified by the client (i.e., by BokehJS
      in the browser).
  
      """
      return self.property.readonly
  
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 12 for calling the PropertyDescriptor obj's underlying member method code with example usage: obj.readonly() and returns: self