syntax_data: {"ast_node_type":"other","tokens":[{"end":66,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:         // FIXME(#132279): We're in a body, should handle opaques.
context_before:         typeck_results,
context_after:         typing_env: ty::TypingEnv::non_body_analysis(tcx, def_id),