/**
* {@inheritdoc}
*/
public function setPosition($position)
{
if ($this->locked) {
throw new BadMethodCallException('The config builder cannot be modified anymore.');
}
if (is_string($position) && $position !== 'first' && $position !== 'last') {
throw OrderedConfigurationException::createInvalidStringPosition($this->getName(), $position);
}
if (is_array($position) && !isset($position['before']) && !isset($position['after'])) {
throw OrderedConfigurationException::createInvalidArrayPosition($this->getName(), $position);
}
$this->position = $position;
return $this;
}
