public function gendersProvider()
{
return [[AbstractUser::GENDER_UNDEFINED, 0], [AbstractUser::GENDER_MALE, 1], [AbstractUser::GENDER_FEMALE, 2], [mt_rand(3, PHP_INT_MAX), AbstractUser::GENDER_UNDEFINED], [mt_rand(~PHP_INT_MAX, -1), AbstractUser::GENDER_UNDEFINED]];
}