{"ast_node_type":"other","tokens":[{"end":81,"kind":"keyword","start":0,"text":"///"}]}
/// message so messages of this type must be combined with a `DiagMessage` (using
/// Translatable messages for subdiagnostics are typically attributes attached to a larger Fluent
/// `DiagMessage::with_subdiagnostic_message`) before rendering. However, subdiagnostics from