{"ast_node_type":"other","tokens":[{"end":46,"kind":"keyword","start":0,"text":"Some(ast::Type::DynTraitType(ty))"}]}
        Some(ast::Type::DynTraitType(ty)) => {
    match ty.ret_type().and_then(|ty| ty.ty()) {
            if let Some(err) = validate_trait_object_ty_plus(ty) {