{"ast_node_type":"other","tokens":[{"end":66,"kind":"keyword","start":0,"text":"///"}]}
    /// [`!`]: https://doc.rust-lang.org/core/primitive.never.html
    /// [never type fallback]: https://doc.rust-lang.org/nightly/core/primitive.never.html#never-type-fallback
    /// [`()`]: https://doc.rust-lang.org/core/primitive.unit.html