{"ast_node_type":"other","tokens":[{"end":63,"kind":"keyword","start":0,"text":"(removed,"}]}
    (removed, const_trait_bound_opt_out, "1.56.0", Some(67794),
    /// Allows `T: ?const Trait` syntax in bounds.
     Some("Removed in favor of `[const]` bound in #![feature(const_trait_impl)]"), 88328),