@Override
  public String toString() {
    return getClass().getName() + "@" + System.identityHashCode(this) + "{"
        + "name=" + name
        + ", description=" + description
        + ", stats.length=" + stats.length
        + "}";
  }
Gets the number of statistics that are doubles.
geode-core/src/main/java/org/apache/geode/internal/statistics/StatisticsTypeImpl.java