public ImportChain(Imports imports, ImportChain parentOpt)
{
Debug.Assert(imports != null);
Imports = imports;
ParentOpt = parentOpt;
}
/// <summary>
/// Creates a binder with given imports.
/// </summary>
internal InContainerBinder(NamespaceOrTypeSymbol container, Binder next, Imports imports = null)
: base(next)
{
Debug.Assert((object)container != null);
_container = container;
_imports = imports ?? Imports.Empty;
}
