code: public DescribeOrderableDBInstanceOptionsResult withOrderableDBInstanceOptions(OrderableDBInstanceOption... orderableDBInstanceOptions) {
          if (this.orderableDBInstanceOptions == null) {
              setOrderableDBInstanceOptions(new com.amazonaws.internal.SdkInternalList<OrderableDBInstanceOption>(orderableDBInstanceOptions.length));
          }
          for (OrderableDBInstanceOption ele : orderableDBInstanceOptions) {
              this.orderableDBInstanceOptions.add(ele);
          }
          return this;
      }
docs: <p>
  An <a>OrderableDBInstanceOption</a> structure containing information about orderable options for the DB instance.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setOrderableDBInstanceOptions(java.util.Collection)} or
  {@link #withOrderableDBInstanceOptions(java.util.Collection)} if you want to override the existing values.
  </p>
  
  @param orderableDBInstanceOptions
  An <a>OrderableDBInstanceOption</a> structure containing information about orderable options for the DB
  instance.
  @return Returns a reference to this object so that method calls can be chained together.