code: public DescribeReservedNodesResult withReservedNodes(ReservedNode... reservedNodes) {
          if (this.reservedNodes == null) {
              setReservedNodes(new com.amazonaws.internal.SdkInternalList<ReservedNode>(reservedNodes.length));
          }
          for (ReservedNode ele : reservedNodes) {
              this.reservedNodes.add(ele);
          }
          return this;
      }
docs: <p>
  The list of <code>ReservedNode</code> objects.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setReservedNodes(java.util.Collection)} or {@link #withReservedNodes(java.util.Collection)} if you want
  to override the existing values.
  </p>
  
  @param reservedNodes
  The list of <code>ReservedNode</code> objects.
  @return Returns a reference to this object so that method calls can be chained together.