{"ast_node_type":"other","tokens":[{"end":77,"kind":"keyword","start":0,"text":"SimplifyCfg::PreOptimizations"}]}
            SimplifyCfg::PreOptimizations => "SimplifyCfg-pre-optimizations",
            SimplifyCfg::PostAnalysis => "SimplifyCfg-post-analysis",
            SimplifyCfg::Final => "SimplifyCfg-final",