<PackageReference Include="Microsoft.CSharp" Version="4.7.0" />

Microsoft.CSharp.RuntimeBinder.CSharpArgumentInfo

public sealed class CSharpArgumentInfo
Represents information about C# dynamic operations that are specific to particular arguments at a call site. Instances of this class are generated by the C# compiler.
namespace Microsoft.CSharp.RuntimeBinder { public sealed class CSharpArgumentInfo { public static CSharpArgumentInfo Create(CSharpArgumentInfoFlags flags, string name); } }