{"ast_node_type":"impl","tokens":[{"end":54,"kind":"keyword","start":0,"text":"///"}]}
    /// Allows return-position `impl Trait` in traits.
    (accepted, result_ffi_guarantees, "1.84.0", Some(110503)),
    (accepted, return_position_impl_trait_in_trait, "1.75.0", Some(91611)),