{"ast_node_type":"other","tokens":[{"end":94,"kind":"keyword","start":0,"text":"///"}]}
///   `ImproperCtypesDeclarations` visitor checks functions if `<abi>` is external (e.g. "C").
/// - `extern "<abi>" fn` definitions are checked in the same way as the
/// - All other items which contain types (e.g. other functions, struct definitions, etc) are