private function getNamespacesRequiredToUse()
{
if ($this->namespacesRequiredToUse !== null && $this->normalizedNamespacesRequiredToUse === null) {
$this->normalizedNamespacesRequiredToUse = SniffSettingsHelper::normalizeArray($this->namespacesRequiredToUse);
}
return $this->normalizedNamespacesRequiredToUse;
}