{"ast_node_type":"other","tokens":[{"end":96,"kind":"keyword","start":0,"text":"|"}]}
            | RegionNameSource::AnonRegionFromOutput(RegionNameHighlight::MatchedHirTy(span), _)
            RegionNameSource::AnonRegionFromArgument(RegionNameHighlight::MatchedHirTy(span))
            | RegionNameSource::AnonRegionFromAsyncFn(span) => {