public MaterialReplacerChain(IEnumerable <IMaterialReplacer> replacers, IMaterialReplacer yetAnother)
 {
     _replacers = replacers.ToList();
     _replacers.Add(yetAnother);
     Initialize();
 }
 public MaterialReplacements(IMaterialReplacer replacer, Action <Material> applyParameters)
 {
     _replacer        = replacer;
     _applyParameters = applyParameters;
 }