docs: public EnableEnhancedMonitoringRequest withShardLevelMetrics(String... shardLevelMetrics) {
          if (this.shardLevelMetrics == null) {
              setShardLevelMetrics(new com.amazonaws.internal.SdkInternalList<String>(shardLevelMetrics.length));
          }
          for (String ele : shardLevelMetrics) {
              this.shardLevelMetrics.add(ele);
          }
          return this;
      }