{"ast_node_type":"other","tokens":[{"end":57,"kind":"keyword","start":0,"text":"SubdiagnosticKind::Warn"}]}
            SubdiagnosticKind::Warn => write!(f, "warn"),
            SubdiagnosticKind::HelpOnce => write!(f, "help_once"),
            SubdiagnosticKind::Suggestion { .. } => write!(f, "suggestions_with_style"),