{"ast_node_type":"other","tokens":[{"end":94,"kind":"keyword","start":0,"text":"StructurallyRelateAliases::Yes"}]}
                StructurallyRelateAliases::Yes => relate::structurally_relate_tys(self, t, t),
                StructurallyRelateAliases::No => self.generalize_alias_ty(data),
            },