public static StandardFieldsBuilder Add(
     this StandardFieldsBuilder builder,
     string key,
     string label,
     string value)
 {
     return(builder.Add(key).Label(label).Value(value));
 }
 public static StandardFieldsBuilder Add(
     this StandardFieldsBuilder builder,
     string key,
     string label,
     DateTimeOffset value,
     DateStyle dateStyle,
     DateStyle timeStyle)
 {
     return(builder.Add(key).Label(label).Value(value.ToIsoString()).DateStyle(dateStyle).TimeStyle(timeStyle));
 }