public BuildContext(NodeSequence sequence, ParameterSet paramSet, object instance)
{
this.Sequence = sequence;
this.Instance = instance;
this.ParameterSet = paramSet;
this.Errors = new List<BindError>();
this.RemainingParameters = new List<Parameter>(paramSet.OrderBy(p => p.Position.HasValue ? p.Position.Value : int.MinValue));
}