{"ast_node_type":"other","tokens":[{"end":42,"kind":"keyword","start":0,"text":"default_severity:"}]}
        default_severity: Severity::Allow,
[`let_underscore_lock`](https://doc.rust-lang.org/nightly/rustc/lints/listing/deny-by-default.html#let-underscore-lock)"##,
        warn_since: None,