public static Sdk FromEntryAssembly(SdkId id, string name = null, string profile = null, string version = null);
 public static bool IsNot(this Sdk sdk, SdkId id);
 public Sdk(SdkId id, FrameworkName targetFramework, IEnumerable <string> assemblySearchPaths, string name = null, string profile = null, string version = null);