// property of root that describes the machine's serial number as a string
#define kIOPlatformSerialNumberKey "IOPlatformSerialNumber" // (OSString)
+// IODTNVRAM property keys
+#define kIONVRAMDeletePropertyKey "IONVRAM-DELETE-PROPERTY"
+#define kIODTNVRAMPanicInfoKey "aapl,panic-info"
+
+// keys for complex boot information
+#define kIOBootDeviceKey "IOBootDevice" // dict | array of dicts
+#define kIOBootDevicePathKey "IOBootDevicePath" // arch-neutral OSString
+#define kIOBootDeviceSizeKey "IOBootDeviceSize" // OSNumber of bytes
+
#endif /* ! _IOKIT_IOKITKEYS_H */