{"ast_node_type":"other","tokens":[{"end":48,"kind":"keyword","start":0,"text":"ty::AnonConstKind::NonTypeSystem"}]}
                ty::AnonConstKind::NonTypeSystem
                // Field defaults are allowed to use generic parameters, e.g. `field: u32 = /*defid: N + 1*/`
                    if matches!(tcx.parent_hir_node(hir_id), Node::TyPat(_) | Node::Field(_)) =>