text: """Misc decorators."""
  import sys
  
  from abc import abstractmethod, abstractproperty
  
  def abstract_property(func):
      """
      Python2/3 compatible abstract property decorator.
  
      :param func: method to decorate
      :type func: callable
  
      :returns: decorated function
      :rtype: callable
      """
      return (property(abstractmethod(func)) if sys.version_info > (3, 3)
              else abstractproperty(func))
  