<PackageReference Include="Microsoft.CSharp" Version="4.6.0-preview8.19405.3" />

Microsoft.CSharp.RuntimeBinder.Semantics.NamespaceOrAggregateSymbol

namespace Microsoft.CSharp.RuntimeBinder.Semantics { internal abstract class NamespaceOrAggregateSymbol : ParentSymbol { protected NamespaceOrAggregateSymbol(); } } namespace Microsoft.CSharp.RuntimeBinder.Semantics { }