def get(self, model_cls: Type["Model"], alias: str = "") -> Excludable:
        """
        Return Excludable for given model and alias.

        :param model_cls: target model to check
        :type model_cls: ormar.models.metaclass.ModelMetaclass
        :param alias: table alias from relation manager
        :type alias: str
        :return: Excludable for given model and alias
        :rtype: ormar.models.excludable.Excludable
        """
        key = f"{alias + '_' if alias else ''}{model_cls.get_name(lower=True)}"
        excludable = self.items.get(key)
        if not excludable:
            excludable = Excludable()
            self.items[key] = excludable
        return excludable

        Return Excludable for given model and alias.

        :param model_cls: target model to check
        :type model_cls: ormar.models.metaclass.ModelMetaclass
        :param alias: table alias from relation manager
        :type alias: str
        :return: Excludable for given model and alias
        :rtype: ormar.models.excludable.Excludable
        
ormar/models/excludable.py