#import namespace Darwin_Version { NSOperatingSystemVersion osver = NSProcessInfo.processInfo.operatingSystemVersion; int getNSmajorVersion() { return osver.majorVersion; } int getNSminorVersion() { return osver.minorVersion; } int getNSpatchVersion() { return osver.patchVersion; } } namespace Darwin_ProcessInfo { bool getLowPowerModeEnabled() { return NSProcessInfo.processInfo.isLowPowerModeEnabled; } }