[DispId(197)]
[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
[return: MarshalAs(UnmanagedType.Interface)]
Range get_Range([MarshalAs(UnmanagedType.Struct), In] object Cell1, [MarshalAs(UnmanagedType.Struct), In, Optional] object Cell2);