{"ast_node_type":"other","tokens":[{"end":58,"kind":"keyword","start":0,"text":"(removed,"}]}
    (removed, panic_implementation, "1.28.0", Some(44489),
     Some("removed in favor of `#![feature(marker_trait_attr)]`"), 68544),
     Some("subsumed by `#[panic_handler]`"), 53619),