{"ast_node_type":"variable","tokens":[{"end":92,"kind":"keyword","start":0,"text":"let"}]}
                    let (ctor_kind, ctor_def_id) = adt_def.non_enum_variant().ctor.unwrap();
                Some(adt_def) if adt_def.has_ctor() => {
                    // Check the visibility of the ctor.