text: ###############################################################################
  ''''''
  ###############################################################################
  
  from . import _classtools
  
  from .space import Space
  
  
  @property
  def get_incision(obj):
      try:
          return obj._incision
      except AttributeError:
          incision = obj._incision = obj.Space(obj)
          return incision
  
  
  @property
  def get_getitem(obj):
      return obj.incision.__getitem__
  
  
  @property
  def get_incise(obj):
      return obj.incision.incise
  
  
  class Bythic(_classtools.MROClassable):
  
      @classmethod
      def __subclasshook__(cls, C):
          if cls is Space:
              try:
                  Inc = getattr(cls, 'Incision')
                  if issubclass(Inc, Space) and issubclass(Inc, C):
                      return True
              except AttributeError:
                  pass
          return NotImplemented
  
      def __new__(cls, ACls):
          '''Class decorator for designating an Incisable.'''
          ACls = super().__new__(cls, ACls)
          if not callable(ACls):
              raise TypeError("Bythic classes must be callable.")
          if not hasattr(ACls, 'Space'):
              setattr(ACls, 'Space', Space)
          if not hasattr(ACls, 'incision'):
              ACls.incision = get_incision
          if not hasattr(ACls, '__getitem__'):
              ACls.__getitem__ = get_getitem
          if not hasattr(ACls, 'incise'):
              ACls.incise = get_incise
          return ACls
  
  
  ###############################################################################
  ''''''
  ###############################################################################
  