code: def action_size(self) -> Sequence[Sequence[int]]:
          '''The size of each action fluent in canonical order.
  
          Returns:
              Sequence[Sequence[int]]: A tuple of tuple of integers
              representing the shape and size of each fluent.
          '''
          fluents = self.domain.action_fluents
          ordering = self.domain.action_fluent_ordering
          return self._fluent_size(fluents, orderingf action_size(self) -> Sequence[Sequence[int]]:
          '''The size of each action fluent in canonical order.
  
          Returns:
              Sequence[Sequence[int]]: A tuple of tuple of integers
              representing the shape and size of each fluent.
          '''
          fluents = self.domain.action_fluents
          ordering = self.domain.action_fluent_ordering
          return self._fluent_size(fluents, ordering)
docs: The size of each action fluent in canonical order.
  
          Returns:
              Sequence[Sequence[int]]: A tuple of tuple of integers
              representing the shape and size of each fluent.