docs: public DescribeContinuousExportsResult withDescriptions(ContinuousExportDescription... descriptions) {
          if (this.descriptions == null) {
              setDescriptions(new java.util.ArrayList<ContinuousExportDescription>(descriptions.length));
          }
          for (ContinuousExportDescription ele : descriptions) {
              this.descriptions.add(ele);
          }
          return this;
      }