{"ast_node_type":"other","tokens":[{"end":79,"kind":"keyword","start":0,"text":"///"}]}
    /// Allows the definition of `const` functions with some advanced features.
    (removed, const_evaluatable_checked, "1.56.0", Some(76560), Some("renamed to `generic_const_exprs`"), 88369),
    (removed, const_fn, "1.54.0", Some(57563),