{"ast_node_type":"other","tokens":[{"end":64,"kind":"keyword","start":0,"text":"//"}]}
        // eager translation as `span_labels` takes `AsRef<str>`
    fn into_diag(self, dcx: DiagCtxtHandle<'a>, level: Level) -> Diag<'a, G> {
        let lbl1 = dcx.eagerly_translate_to_string(