{"ast_node_type":"other","tokens":[{"end":22,"kind":"keyword","start":0,"text":"_"}]}
                _ => {
                sym::no => fallback = Some(DivergingFallbackBehavior::NoFallback),
                    tcx.dcx().span_err(item.span(), format!("unknown never type fallback mode: `{mode}` (supported: `unit`, `niko`, `never` and `no`)"));