code: public void updateTags(Reference reference, Collection<String> tags) {
  		getResourceFactory()
  				.getApiResource("/tag/" + reference.toURLFragment())
  				.entity(tags, MediaType.APPLICATION_JSON_TYPE).put();
  	}
docs: Update the tags on the objects
  
  @param reference
  The object the tags should be updated on
  @param tags
  The tags that should now be set on the object