syntax_data: {"ast_node_type":"other","tokens":[{"end":92,"kind":"keyword","start":0,"text":"self.tcx.type_of(alias.def_id).instantiate(self.tcx,"}]}
source_snippet:             self.tcx.type_of(alias.def_id).instantiate(self.tcx, alias.args).fold_with(self)
context_before:         let ty = ensure_sufficient_stack(|| {
context_after:         });