@interface MTLTargetDeviceArchitecture : NSObject
@property (nonatomic) unsigned int cpuType;
@property (nonatomic) unsigned int subType;
@property (nonatomic) struct MTLTargetDeviceArchVersion { unsigned short major; unsigned char minor; unsigned char update; } version;
@property (readonly) unsigned int versionCombined;
@property (nonatomic) unsigned long long driverVersion;
- (id)init;
@end