protected function replaceTemplateAlias($alias, $children = null)
{
$tree = $this->aliases[$alias];
if (!$tree) {
Debug::toss('Could not find alias: ' . $alias);
}
if (!is_array($tree)) {
$tree = self::parseTemplateString($tree);
}
if ($children) {
$tree = Arrays::replaceAll('!children', $children, $tree);
}
return $tree;
}