{"ast_node_type":"other","tokens":[{"end":57,"kind":"keyword","start":0,"text":"DefKind::Fn"}]}
        DefKind::Fn | DefKind::AssocFn | DefKind::Closure
    let const_qualifs = match tcx.def_kind(def) {
            if tcx.constness(def) == hir::Constness::Const