public static IMetricFamily <IGauge <long>, ValueTuple <string> > CreateGaugeInt64(this IMetricFactory factory, string name, string help, string labelName, bool includeTimestamp = false)
 {
     return(factory.CreateGaugeInt64(name, help, ValueTuple.Create(labelName), includeTimestamp));
 }
 /// <summary>
 ///     Create int-based gauge.
 /// </summary>
 /// <param name="factory">Metric factory</param>
 /// <param name="name">Name.</param>
 /// <param name="help">Help text.</param>
 /// <param name="labelNames">Array of label names.</param>
 public static IMetricFamily <IGauge <long> > CreateGaugeInt64(this IMetricFactory factory, string name, string help, params string[] labelNames)
 {
     return(factory.CreateGaugeInt64(name, help, false, labelNames));
 }