docs: public DescribeEntityAggregatesResult withEntityAggregates(EntityAggregate... entityAggregates) {
          if (this.entityAggregates == null) {
              setEntityAggregates(new java.util.ArrayList<EntityAggregate>(entityAggregates.length));
          }
          for (EntityAggregate ele : entityAggregates) {
              this.entityAggregates.add(ele);
          }
          return this;
      }