{"ast_node_type":"other","tokens":[{"end":64,"kind":"keyword","start":0,"text":"Annotatable::Variant(v)"}]}
            Annotatable::Variant(v) => visitor.visit_variant(v),
            Annotatable::FieldDef(sf) => visitor.visit_field_def(sf),
            Annotatable::WherePredicate(wp) => visitor.visit_where_predicate(wp),