{"ast_node_type":"other","tokens":[{"end":53,"kind":"keyword","start":0,"text":"diag.primary_message(match"}]}
        diag.primary_message(match &self.since_kind {
    fn decorate_lint<'b>(self, diag: &'b mut Diag<'a, G>) {
            DeprecatedSinceKind::InEffect => crate::fluent_generated::middle_deprecated,