mscorlib.Polyfill.NET35 (nuget): Contains polyfills from the mscorlib for .NET Framework 2.0 and .NET Framework 3.5.  Add:       System.Func       System.Action       System.IProgress       System.Progress       System.Collections.Generic       System.Collections.Generic.IReadOnlyCollection       System.Collections.Generic.IReadOnlyDictionary       System.Collections.Generic.IReadOnlyList       System.Collections.Generic.IReadOnlySet       System.Net.DnsEndPoint       System.Threading.SpinWait       System.Threading.Volatile  Extensions:       System.ArgumentNullExceptionEx:       - ThrowIfNull        System.EventHandlerEx:       - EventHandlerEx<TEventArgs>        System.StringEx:       - Join<T>       - IsNullOrWhiteSpace        System.EnumEx:       - TryParse<TEnum>        System.EnvironmentEx:       - Is64BitProcess       - Is64BitOperatingSystem        System.OperatingSystemEx:       - VersionString       - IsOSPlatform       - IsOSPlatformVersionAtLeast        System.Text.StringBuilderEx:       - Clear
Keywords: dotnet|polyfill