{"ast_node_type":"other","tokens":[{"end":89,"kind":"keyword","start":0,"text":"TyKind::Alias(AliasTy::Opaque(OpaqueTy"}]}
            TyKind::Alias(AliasTy::Opaque(OpaqueTy { .. })) | TyKind::OpaqueType(..) => {
        match expected_ty.kind(Interner) {
                let clauses = expected_ty.impl_trait_bounds(self.db).into_iter().flatten().map(