class_docstr: String representing valid values for mouse handling
class_docstr_tok: ["String","representing","valid","values","for","mouse","handling"]
code: def __init__(self, default_value, **kwargs):
      super(MouseHandling, self).__init__(
          self.allowed_behaviours,
          default_value=default_value,
          allow_none=False,
          **kwargs,
      )
  
imports: import re
  import traitlets
  from .locations import locations_to_list
label_desc: Use image node_id 1 to create a new MouseHandling object from inherited base classes: traitlets with example: obj = MouseHandling(default_value)