{"ast_node_type":"other","tokens":[{"end":87,"kind":"keyword","start":0,"text":"///"}]}
/// thread/line than other spans when viewed in <https://ui.perfetto.dev>, you can pass
/// in <https://ui.perfetto.dev>. To instruct `tracing_chrome` to put some spans on a separate trace
/// `tracing_separate_thread = tracing::field::Empty` to the tracing macros. This is useful to