<PackageReference Include="NETStandard.Library" Version="2.0.0-preview2-25401-01" />

System.Runtime.InteropServices.LCIDConversionAttribute

public sealed class LCIDConversionAttribute : Attribute
namespace System.Runtime.InteropServices { public sealed class LCIDConversionAttribute : Attribute { public int Value { get; } public LCIDConversionAttribute(int lcid); } }