code: public java.util.List<String> getStatistics() {
          if (statistics == null) {
              statistics = new com.amazonaws.internal.SdkInternalList<String>();
          }
          return statistics;
      }
docs: <p>
  The metric statistics, other than percentile. For percentile statistics, use <code>ExtendedStatistics</code>.
  When calling <code>GetMetricStatistics</code>, you must specify either <code>Statistics</code> or
  <code>ExtendedStatistics</code>, but not both.
  </p>
  
  @return The metric statistics, other than percentile. For percentile statistics, use
  <code>ExtendedStatistics</code>. When calling <code>GetMetricStatistics</code>, you must specify either
  <code>Statistics</code> or <code>ExtendedStatistics</code>, but not both.
  @see Statistic