{"ast_node_type":"other","tokens":[{"end":79,"kind":"keyword","start":0,"text":"///"}]}
/// <https://rustc-dev-guide.rust-lang.org/diagnostics/diagnostic-structs.html>
/// See rustc dev guide for more examples on using the `#[derive(Diagnostic)]`:
pub(super) fn diagnostic_derive(s: Structure<'_>) -> TokenStream {