class_docstr: Base class for graphical markings, e.g. arrow heads.
  
      
code: def __init__(self, *args, **kwargs) -> None:
      super().__init__(*args, **kwargs)
  
file_path: bokeh/src/bokeh/models/graphics.py
imports: import logging
  from ..core.has_props import abstract
  from ..core.properties import Enum, Instance, Required
  from ..model import Model
label_desc: Use image node_id 1 to create a new Marking object from inherited base classes: Model with example: obj = Marking()