{"ast_node_type":"struct","tokens":[{"end":175,"kind":"keyword","start":0,"text":"///"}]}
    ///   = note: this struct contains `NonExhaustiveZst`, which is marked with `#[non_exhaustive]`, and makes it not a breaking change to become non-zero-sized in the future.
    ///   = note: for more information, see issue #78586 <https://github.com/rust-lang/rust/issues/78586>
    /// ```