protected function includes() {
		require $this->dir . 'functions.php';
		require $this->dir . 'classes.php';
		require $this->dir . 'template-tags.php';

		// Test suite requires the AJAX functions early.
		if ( function_exists( 'tests_add_filter' ) ) {
			require $this->dir . 'ajax.php';

		// Load AJAX code only on AJAX requests.
		} else {
			add_action( 'admin_init', function() {
				if ( defined( 'DOING_AJAX' ) && true === DOING_AJAX && 0 === strpos( $_REQUEST['action'], 'groups_' ) ) {
					require bp_nouveau()->groups->dir . 'ajax.php';
				}
			} );
		}
	}