{"ast_node_type":"other","tokens":[{"end":32,"kind":"keyword","start":0,"text":"lhs_ty:"}]}
                    lhs_ty: self
                hir::WherePredicateKind::EqPredicate(hir::WhereEqPredicate {
                        .lower_ty(lhs_ty, ImplTraitContext::Disallowed(ImplTraitPosition::Bound)),