(self, size: int)
Return a TOP value. It will only be called if _is_top() has been implemented.

        :param size:    The size (in bits) of the TOP value.
        :return:        A TOP value.
Return a TOP value. It will only be called if _is_top() has been implemented.
Return a TOP value . It will only be called if _is_top () has been implemented .
def _top(self, size: int):
        """
        Return a TOP value. It will only be called if _is_top() has been implemented.

        :param size:    The size (in bits) of the TOP value.
        :return:        A TOP value.
        """
        raise NotImplementedError()
def _top ( self , size : int ) : raise NotImplementedError ( )