{"ast_node_type":"variable","tokens":[{"end":54,"kind":"keyword","start":0,"text":"let"}]}
        let def_kind = self.tcx.def_kind(id.owner_id);
    fn check_item(&mut self, id: hir::ItemId) -> Result<(), ErrorGuaranteed> {
        if !matches!(def_kind, DefKind::Enum | DefKind::Struct | DefKind::Trait | DefKind::Union) {