code: public ModifyVpcEndpointServiceConfigurationRequest withAddNetworkLoadBalancerArns(String... addNetworkLoadBalancerArns) {
          if (this.addNetworkLoadBalancerArns == null) {
              setAddNetworkLoadBalancerArns(new com.amazonaws.internal.SdkInternalList<String>(addNetworkLoadBalancerArns.length));
          }
          for (String ele : addNetworkLoadBalancerArns) {
              this.addNetworkLoadBalancerArns.add(ele);
          }
          return this;
      }
docs: <p>
  The Amazon Resource Names (ARNs) of Network Load Balancers to add to your service configuration.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setAddNetworkLoadBalancerArns(java.util.Collection)} or
  {@link #withAddNetworkLoadBalancerArns(java.util.Collection)} if you want to override the existing values.
  </p>
  
  @param addNetworkLoadBalancerArns
  The Amazon Resource Names (ARNs) of Network Load Balancers to add to your service configuration.
  @return Returns a reference to this object so that method calls can be chained together.