public void CreateInstance()
 {
     _defaultStrategy = new ItemUpgrade(item => true);
     _itemUpgrades = new List<ItemUpgrade>
     {
         new ItemUpgrade(_ => _.Name == SULFURAS_HAND_OF_RAGNAROS, new DoesNotAge(), new LegendaryQuality()),
         new ItemUpgrade( _ => _.Name == AGED_BRIE, itemAging: null, qualityStrategy: new QualityIncreases()),
         new ItemUpgrade( _ => _.Name == BACKSTAGE_PASSES, itemAging: null, qualityStrategy: new BackStagePassQuality()),
         new ItemUpgrade( _ => _.Name != null && _.Name.StartsWith("Conjured"), itemAging: null, qualityStrategy: new QualityDegradesTwiceAsFast()),
     };
 }
 public void CreateInstance()
 {
     _itemUpgrade = new ItemUpgrade(item => true);
 }