syntax_data: {"ast_node_type":"other","tokens":[{"end":72,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:             // mode which reveals the opaque types defined by that body.
context_before:             // FIXME(#132279): We're in a body, we should use a typing
context_after:             typing_env: ty::TypingEnv::non_body_analysis(tcx, def),