@interface HMDMutableNaturalLightingCurve : HMDNaturalLightingCurve
@property unsigned long long colorTemperatureNotifyValueChangeThreshold;
@property unsigned long long colorTemperatureNotifyIntervalThresholdInMilliseconds;
@property unsigned long long colorTemperatureUpdateIntervalInMilliseconds;
- (id)copyWithZone:(struct _NSZone { } *)a0;
@end