code: 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;
      }
docs: <p>
  A list of continuous export descriptions.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setDescriptions(java.util.Collection)} or {@link #withDescriptions(java.util.Collection)} if you want to
  override the existing values.
  </p>
  
  @param descriptions
  A list of continuous export descriptions.
  @return Returns a reference to this object so that method calls can be chained together.