internal InputRequestContext(Message request, InputChannelBinder binder)
     : base(request, TimeSpan.Zero, TimeSpan.Zero)
 {
     this.binder = binder;
 }
 internal InputRequestContext(Message request, InputChannelBinder binder)
     : base(request, TimeSpan.Zero, TimeSpan.Zero)
 {
     _binder = binder;
 }