code: public java.util.List<String> getCurrentShardLevelMetrics() {
          if (currentShardLevelMetrics == null) {
              currentShardLevelMetrics = new com.amazonaws.internal.SdkInternalList<String>();
          }
          return currentShardLevelMetrics;
      }
docs: <p>
  Represents the current state of the metrics that are in the enhanced state before the operation.
  </p>
  
  @return Represents the current state of the metrics that are in the enhanced state before the operation.
  @see MetricsName