{"ast_node_type":"other","tokens":[{"end":87,"kind":"keyword","start":0,"text":"QoSClass::UserInteractive"}]}
            QoSClass::UserInteractive => libc::qos_class_t::QOS_CLASS_USER_INTERACTIVE,
        let c = match class {
            QoSClass::UserInitiated => libc::qos_class_t::QOS_CLASS_USER_INITIATED,