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

Microsoft.CSharp.RuntimeBinder.Semantics.EXPRSTMT

abstract class EXPRSTMT : EXPR
namespace Microsoft.CSharp.RuntimeBinder.Semantics { internal abstract class EXPRSTMT : EXPR { public EXPRSTMT GetOptionalNextStatement(); public void SetOptionalNextStatement(EXPRSTMT nextStatement); protected EXPRSTMT(); } }