public static bool IsOSPlatform(System.Runtime.InteropServices.OSPlatform osPlatform)
 {
     throw null;
 }
 public static bool IsOSPlatformEarlierThan(System.Runtime.InteropServices.OSPlatform osPlatform, int major, int minor, int build, int revision)
 {
     throw null;
 }
 public static bool IsOSPlatformOrLater(System.Runtime.InteropServices.OSPlatform osPlatform, int major, int minor, int build)
 {
     throw null;
 }
 public static bool IsOSPlatformEarlierThan(System.Runtime.InteropServices.OSPlatform osPlatform, int major)
 {
     throw null;
 }
 public static bool IsOSPlatform(System.Runtime.InteropServices.OSPlatform osPlatform)
 {
     return(default(bool));
 }