@Override
  public StatisticsType createType(String name, String description, StatisticDescriptor[] stats) {
    return addType(new StatisticsTypeImpl(name, description, stats));
  }
Adds an already created type. If the type has already been added and is equal to the new one
then the new one is dropped and the existing one returned.

@throws IllegalArgumentException if the type already exists and is not equal to the new type
geode-core/src/main/java/org/apache/geode/internal/statistics/StatisticsTypeFactoryImpl.java