code: public CreateVirtualServiceRequest withTags(TagRef... tags) {
          if (this.tags == null) {
              setTags(new java.util.ArrayList<TagRef>(tags.length));
          }
          for (TagRef ele : tags) {
              this.tags.add(ele);
          }
          return this;
      }
docs: <p>
  Optional metadata that you can apply to the virtual service to assist with categorization and organization. Each
  tag consists of a key and an optional value, both of which you define. Tag keys can have a maximum character
  length of 128 characters, and tag values can have a maximum length of 256 characters.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setTags(java.util.Collection)} or {@link #withTags(java.util.Collection)} if you want to override the
  existing values.
  </p>
  
  @param tags
  Optional metadata that you can apply to the virtual service to assist with categorization and
  organization. Each tag consists of a key and an optional value, both of which you define. Tag keys can
  have a maximum character length of 128 characters, and tag values can have a maximum length of 256
  characters.
  @return Returns a reference to this object so that method calls can be chained together.