/**
* Add a new filter to this input value
*
* @param string $path
* @param FilterInterface $filter
* @return FilterContainerInterface
*/
public function addFilter(string $path, FilterInterface $filter) : FilterContainerInterface
{
if (!isset($this->filterMap[$path])) {
$this->filterMap[$path] = [];
}
$this->filterMap[$path][] = $filter->setIndex($path);
return $this;
}
