{"ast_node_type":"other","tokens":[{"end":48,"kind":"keyword","start":0,"text":"modifiers.push_str(\".as_ptr()\");"}]}
                modifiers.push_str(".as_ptr()");
            ty::Adt(def, args) if cx.tcx.is_diagnostic_item(sym::NonNull, def.did()) => {
                args.type_at(0)