{"ast_node_type":"other","tokens":[{"end":59,"kind":"keyword","start":0,"text":"///"}]}
    /// Allows using the `may_dangle` attribute (RFC 1327).
    (unstable, doc_notable_trait, "1.52.0", Some(45040)),
    (unstable, dropck_eyepatch, "1.10.0", Some(34761)),