public LabelItemSpec(ItemSpec itemSpec, VersionSpec version, bool exclude)
 {
     this.ItemSpec = itemSpec;
     this.Version  = version;
     this.Exclude  = exclude;
 }
 public LabelItemSpec(ItemSpec itemSpec, VersionSpec version, bool exclude)
 {
     this.ItemSpec = itemSpec;
     this.Version = version;
     this.Exclude = exclude;
 }