<PackageReference Include="Microsoft.CSharp" Version="4.7.0-preview3.19551.4" />

Microsoft.CSharp.RuntimeBinder.CSharpArgumentInfoFlags

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 enum CSharpArgumentInfoFlags { None = 0, UseCompileTimeType = 1, Constant = 2, NamedArgument = 4, IsRef = 8, IsOut = 16, IsStaticType = 32 } }