protected function _get_wrapper_files() {
		$wrapper_files = [];

		foreach ( WP_View_Controller\Helper\config( 'layout' ) as $wrapper_dir ) {
			foreach ( glob( get_theme_file_path( $wrapper_dir . '/*' ) ) as $wrapper_path ) {
				$name = basename( $wrapper_path, '.php' );
				if ( 'blank' === $name || 'blank-fluid' === $name ) {
					continue;
				}
				if ( isset( $wrapper_files[ $name ] ) ) {
					continue;
				}
				$wrapper_files[ $name ] = $wrapper_path;
			}
		}

		return $wrapper_files;
	}