text: from rubicon.objc import *
  
  from toga.interface import Box as BoxInterface
  
  from .base import WidgetMixin
  from ..libs import *
  
  
  class Box(BoxInterface, WidgetMixin):
      def __init__(self, id=None, style=None, children=None):
          super().__init__(id=id, style=style, children=children)
          self._create()
  
      def create(self):
          self._constraints = None