public MergeBlacklistEntry Clone()
        {
            var clone = new MergeBlacklistEntry
            {
                Id        = (string)Id.Clone(),
                ProjectId = (string)ProjectId.Clone(),
                UserId    = (string)UserId.Clone(),
                WordIds   = new List <string>()
            };

            foreach (var id in WordIds)
            {
                clone.WordIds.Add((string)id.Clone());
            }
            return(clone);
        }