/**
* @param array $setTuples
* @param int $countTuples
*
* @return array
*
* @throws \InvalidArgumentException
*/
private function validateTuples(array $setTuples, $countTuples)
{
Assert::notEq(0, $countTuples, 'The set builder requires a single array of one or more array sets.1');
foreach ($setTuples as $tuple) {
Assert::isArray($tuple, 'The set builder requires a single array of one or more array sets.');
}
return $setTuples;
}