syntax_data: {"ast_node_type":"other","tokens":[{"end":68,"kind":"keyword","start":0,"text":"ty::TypingEnv::post_analysis(self.tcx,"}]}
source_snippet:                 ty::TypingEnv::post_analysis(self.tcx, impl_def_id),
context_before:             (
context_after:                 self_ty.instantiate_identity(),