code: public UpdateVpcLinkResult withTargetArns(String... targetArns) {
          if (this.targetArns == null) {
              setTargetArns(new java.util.ArrayList<String>(targetArns.length));
          }
          for (String ele : targetArns) {
              this.targetArns.add(ele);
          }
          return this;
      }
docs: <p>
  The ARNs of network load balancers of the VPC targeted by the VPC link. The network load balancers must be owned
  by the same AWS account of the API owner.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setTargetArns(java.util.Collection)} or {@link #withTargetArns(java.util.Collection)} if you want to
  override the existing values.
  </p>
  
  @param targetArns
  The ARNs of network load balancers of the VPC targeted by the VPC link. The network load balancers must be
  owned by the same AWS account of the API owner.
  @return Returns a reference to this object so that method calls can be chained together.