$this->hiddenFallback = $fallback;
return $this;
}
/**
* Gets values for the autocompleter.
*/
public function getAutocompleterValues(): ?iterable
{
$callback = $this->getAutocompleterCallback();
return $callback ? $callback('') : null;
}
/**
* Sets values for the autocompleter.
*
* @return $this
*
* @throws LogicException
*/