/**
* Adds a subchain to the current chain that treats the value a an array.
* Automatically adds the isArray validator.
*
* @param boolean $addFilter Add the Trim filter (removes empty elements)
* @return \Jyxo\Input\Fluent
*/
public function walk(bool $addFilter = true) : self
{
$this->validate('isArray');
if (false != $addFilter) {
$this->filter('trim');
}
$this->chain = $this->chain->addWalk();
return $this;
}