code: public void setTagsToAdd(java.util.Collection<Tag> tagsToAdd) {
          if (tagsToAdd == null) {
              this.tagsToAdd = null;
              return;
          }
  
          this.tagsToAdd = new com.amazonaws.internal.SdkInternalList<Tag>(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>
  
  @param tagsToAdd
  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.