code: public java.util.List<String> getListenerArns() {
          if (listenerArns == null) {
              listenerArns = new com.amazonaws.internal.SdkInternalList<String>();
          }
          return listenerArns;
      }
docs: <p>
  The ARN of one listener. The listener identifies the route between a target group and a load balancer. This is an
  array of strings with a maximum size of one.
  </p>
  
  @return The ARN of one listener. The listener identifies the route between a target group and a load balancer.
  This is an array of strings with a maximum size of one.