protected override void AppendSerialization(FluentAlertSeperator source, StringBuilder sb)
 {
     sb.Append("<HR>");
 }
 protected abstract void AppendSerialization(FluentAlertSeperator source, StringBuilder sb);
 protected override void AppendSerialization(FluentAlertSeperator source, StringBuilder sb)
 {
     sb.AppendLine();
     sb.AppendLine("================================================");
 }