code: public UpdateProductRequest withAddTags(Tag... addTags) {
          if (this.addTags == null) {
              setAddTags(new java.util.ArrayList<Tag>(addTags.length));
          }
          for (Tag ele : addTags) {
              this.addTags.add(ele);
          }
          return this;
      }
docs: <p>
  The tags to add to the product.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setAddTags(java.util.Collection)} or {@link #withAddTags(java.util.Collection)} if you want to override
  the existing values.
  </p>
  
  @param addTags
  The tags to add to the product.
  @return Returns a reference to this object so that method calls can be chained together.