{"ast_node_type":"other","tokens":[{"end":89,"kind":"keyword","start":0,"text":"libc::qos_class_t::QOS_CLASS_USER_INITIATED"}]}
            libc::qos_class_t::QOS_CLASS_USER_INITIATED => Some(QoSClass::UserInitiated),
            libc::qos_class_t::QOS_CLASS_USER_INTERACTIVE => Some(QoSClass::UserInteractive),
            libc::qos_class_t::QOS_CLASS_DEFAULT => None, // QoS has never been set