public function registerAdminAction() {
		global $pagenow;

		if ( $pagenow !== 'admin.php' ) {
			return;
		}

		$page_hook = $this->getAdminPageHook();
		$hook_suffix = $this->getAdminHook( $page_hook );

		add_action( "load-{$hook_suffix}", [$this, 'actionAdminLoad'] );
		add_action( $hook_suffix, [$this, 'actionAdmin'] );
	}