{"ast_node_type":"other","tokens":[{"end":62,"kind":"keyword","start":0,"text":"AggregateKind::Adt(..,"}]}
                    AggregateKind::Adt(.., Some(_)) => return,
                    // Do not support unions.
                    AggregateKind::Adt(_, variant_index, ..) if agg_ty.is_enum() => {