public interface IFoo
{
   GetHashCode () : int;
}

public interface IFoo[T]
{
   GetHashCode () : int;
}

public class Test[T]
{
  public Foo (mutable  foo : IFoo[T]) :  int
  {
     foo.GetHashCode ();
  }

  public Foo (mutable  foo : IFoo) :  int
  {
     foo.GetHashCode ();
  }
}

class X
{
  static Main () :  void
  { }
}
/*
BEGIN-OUTPUT
END-OUTPUT
*/