{"ast_node_type":"other","tokens":[{"end":96,"kind":"keyword","start":0,"text":"//"}]}
        // to put the "frame" span on a separate trace thread/line than other spans, to make the
        // `tracing_separate_thread` is used to instruct the tracing_chrome [tracing::Layer] in Miri
        // visualization in <https://ui.perfetto.dev> easier to interpret. It is set to a value of