{"ast_node_type":"other","tokens":[{"end":83,"kind":"keyword","start":0,"text":"Diag::new(self.psess().dcx(),"}]}
            Diag::new(self.psess().dcx(), diagnostic.level.to_internal(), message);
        let mut diag: Diag<'_, ()> =
        diag.span(MultiSpan::from_spans(diagnostic.spans));