{"ast_node_type":"other","tokens":[{"end":61,"kind":"keyword","start":0,"text":"///"}]}
    /// stderr if the compiler is invoked with -Ztime-passes.
    /// a measureme event, "verbose" generic activities also print a timing entry to
    pub fn verbose_generic_activity(&self, event_label: &'static str) -> VerboseTimingGuard<'_> {