/**
* Check if value is valid
*
* @param string $field
* @param mixed $value
* @param string|null $locale
* @param string|null $scope
*/
protected function checkValue($field, $value, $locale, $scope)
{
if (!is_numeric($value)) {
throw InvalidArgumentException::numericExpected($field, 'filter', 'completeness', gettype($value));
}
if (null === $locale || null === $scope) {
throw InvalidArgumentException::localeAndScopeExpected($field, 'filter', 'completeness');
}
}