{"ast_node_type":"other","tokens":[{"end":73,"kind":"keyword","start":0,"text":".sorted_by_cached_key(|&instance|"}]}
        .sorted_by_cached_key(|&instance| tcx.symbol_name(instance).name)
        // instances were visited during codegen.
        .filter_map(|instance| prepare_covfun_record(tcx, instance, true))