<PackageReference Include="Microsoft.CSharp" Version="4.7.0-preview1.19504.10" />

EXPRCONCAT

class EXPRCONCAT : EXPR
namespace Microsoft.CSharp.RuntimeBinder.Semantics { internal class EXPRCONCAT : EXPR { public EXPR FirstArgument; public EXPR SecondArgument; public EXPR GetFirstArgument() { return FirstArgument; } public void SetFirstArgument(EXPR value) { FirstArgument = value; } public EXPR GetSecondArgument() { return SecondArgument; } public void SetSecondArgument(EXPR value) { SecondArgument = value; } } }