final protected function initTaxonomiesTrait(): void {
		
		// notice that this action is added at the 15th priority.  since
		// taxonomies and post types are used in conjuction with each other,
		// we want to be sure that our types are registered before we start
		// to link taxonomies to them.  so, the PostTypesTrait leaves its
		// registration at priority 10.  then, this init action will process
		// at 15.
		
		add_action("init", function () {
			foreach ($this->getTaxonomies() as $taxonomy) {
				$this->registerTaxonomy($taxonomy);
			}
		}, 15);
	}