{"ast_node_type":"other","tokens":[{"end":78,"kind":"keyword","start":0,"text":"//"}]}
            // the start and end, then merge them like rustc does in `Span::to
            // https://github.com/rust-lang/rust/issues/23480, we probably want to fetch the span at
            Self::ExpansionSpanMap(span_map) => span_map.span_at(range.start()),