code: @Monitor(name = "ResponseTimeMillis99Percentile", type = DataSourceType.GAUGE,
               description = "99th percentile in total time to handle a request, in milliseconds")
      public double getResponseTime99thPercentile() {
          return getResponseTimePercentile(Percent.NINETY_NINE);
      }
docs: Gets the 99-th percentile in the total amount of time spent handling a request, in milliseconds.