<PackageReference Include="NETStandard.Library" Version="2.0.0-preview2-25401-01" />
System.Runtime.CompilerServices.RequiredAttributeAttribute
namespace System.
Runtime.
CompilerServices
{
public sealed class RequiredAttributeAttribute :
Attribute
{
public Type RequiredContract { get; }
public RequiredAttributeAttribute(
Type requiredContract);
}
}