+#if NECP
+522 AUE_NECP ALL { int necp_session_open(int flags); } }
+523 AUE_NECP ALL { int necp_session_action(int necp_fd, uint32_t action, uint8_t *in_buffer, size_t in_buffer_length, uint8_t *out_buffer, size_t out_buffer_length); }
+#else /* NECP */
+522 AUE_NULL ALL { int enosys(void); }
+523 AUE_NULL ALL { int enosys(void); }
+#endif /* NECP */
+524 AUE_SETATTRLISTAT ALL { int setattrlistat(int fd, const char *path, struct attrlist *alist, void *attributeBuffer, size_t bufferSize, uint32_t options); }
+525 AUE_NET ALL { int net_qos_guideline(struct net_qos_param *param, uint32_t param_len); }
+526 AUE_FMOUNT ALL { int fmount(const char *type, int fd, int flags, void *data); }
+527 AUE_NULL ALL { int ntp_adjtime(struct timex *tp); }
+528 AUE_NULL ALL { int ntp_gettime(struct ntptimeval *ntvp); }
+529 AUE_NULL ALL { int os_fault_with_payload(uint32_t reason_namespace, uint64_t reason_code, void *payload, uint32_t payload_size, const char *reason_string, uint64_t reason_flags); }
+#if CONFIG_WORKQUEUE
+530 AUE_WORKLOOPCTL ALL { int kqueue_workloop_ctl(user_addr_t cmd, uint64_t options, user_addr_t addr, size_t sz) NO_SYSCALL_STUB; }
+#else
+530 AUE_NULL ALL { int enosys(void); }
+#endif // CONFIG_WORKQUEUE
+531 AUE_NULL ALL { uint64_t __mach_bridge_remote_time(uint64_t local_timestamp); }
+#if CONFIG_COALITIONS
+532 AUE_NULL ALL { int coalition_ledger(uint32_t operation, uint64_t *cid, void *buffer, size_t *bufsize) NO_SYSCALL_STUB; }
+#else
+532 AUE_NULL ALL { int enosys(void); }
+#endif // CONFIG_COALITIONS
+533 AUE_NULL ALL { int log_data(unsigned int tag, unsigned int flags, void *buffer, unsigned int size) NO_SYSCALL_STUB; }
+534 AUE_NULL ALL { uint64_t memorystatus_available_memory(void) NO_SYSCALL_STUB; }