Sets overridden data for this configuration object.
The overridden data only applies to this configuration object.
array $data: The overridden values of the configuration data.
Drupal\Core\Config\Config The configuration object.
public function setOverride(array $data) {
$this->context
->setOverrides($this
->getName(), $data);
$this
->resetOverriddenData();
return $this;
}