code: public ListDeliveryStreamsResult withDeliveryStreamNames(String... deliveryStreamNames) {
          if (this.deliveryStreamNames == null) {
              setDeliveryStreamNames(new java.util.ArrayList<String>(deliveryStreamNames.length));
          }
          for (String ele : deliveryStreamNames) {
              this.deliveryStreamNames.add(ele);
          }
          return this;
      }
docs: <p>
  The names of the delivery streams.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setDeliveryStreamNames(java.util.Collection)} or {@link #withDeliveryStreamNames(java.util.Collection)}
  if you want to override the existing values.
  </p>
  
  @param deliveryStreamNames
  The names of the delivery streams.
  @return Returns a reference to this object so that method calls can be chained together.