this.owner = (EObject)owner; this.copy = (EObject)copyHelper.getCopy(owner);
this.owner = owner; this.copy = copyHelper.getCopy(owner);
  public InitializeCopyCommand(EditingDomain domain, EObject owner, CopyCommand.Helper copyHelper)   {    super(domain, LABEL, DESCRIPTION);    this.owner = (EObject)owner;    this.copy = (EObject)copyHelper.getCopy(owner);    this.copyHelper = copyHelper;  }