code: public final Latency withPercentile999th(double value) {
      double newValue = value;
      return new Latency(this.median, this.percentile98th, this.percentile99th, newValue, this.mean, this.min, this.max);
    }
docs: Copy the current immutable object by setting a value for the {@link AbstractLatency#getPercentile999th() percentile999th} attribute.
  @param value A new value for percentile999th
  @return A modified copy of the {@code this} object