{"ast_node_type":"other","tokens":[{"end":56,"kind":"keyword","start":0,"text":"Annotatable::Variant(v)"}]}
            Annotatable::Variant(v) => v.visit_attrs(f),
            Annotatable::FieldDef(sf) => sf.visit_attrs(f),
            Annotatable::WherePredicate(wp) => wp.visit_attrs(f),