code: public java.util.List<Tag> getTagsToAdd() {
          if (tagsToAdd == null) {
              tagsToAdd = new com.amazonaws.internal.SdkInternalList<Tag>();
          }
          return tagsToAdd;
      }
docs: <p>
  A list of tags to add or update.
  </p>
  <p>
  If a key of an existing tag is added, the tag's value is updated.
  </p>
  
  @return A list of tags to add or update.</p>
  <p>
  If a key of an existing tag is added, the tag's value is updated.