syntax_data: {"ast_node_type":"other","tokens":[{"end":61,"kind":"keyword","start":0,"text":"self.tcx.opt_rpitit_info(alias_ty.def_id)"}]}
source_snippet:                     self.tcx.opt_rpitit_info(alias_ty.def_id)
context_before:                 } else if let Some(ty::ImplTraitInTraitData::Trait { fn_def_id, .. }) =
context_after:                     && fn_def_id == self.item.into()