def visit_class_slot(self, cls: ClassDefinition, aliased_slot_name: str, slot: SlotDefinition) -> None:
...<EOL>
Visited for each slot in a class.  If class level visit_all_slots is true, this is visited once
        for any class that is inherited (class itself, is_a, mixin, apply_to).  Otherwise just the class slots.

        @param cls: containing class
        @param aliased_slot_name: Aliased slot name.  May not be unique across all class slots
        @param slot: slot being visited