public static CoversTabPage RemoveCoversExcept(this CoversTabPage page, MainFlowData data, string[] coversToLeft)
        {
            page.GetCoversInfo(data);
            data.CoversData.SetCoversToLeft(coversToLeft);

            return(page
                   .LeaveCoversByName(data));
        }
 public static CoversTabPage GetCoversInfo(this CoversTabPage page, MainFlowData data)
 {
     return(page
            .GetAttachedCoverList(data.CoversData));
 }