public function provideIterate()
{
return [[[[['optimized' => false], ['optimized' => true]], [['nb_foos' => 4], ['nb_foos' => 5]]], [['optimized' => false, 'nb_foos' => 4], ['optimized' => true, 'nb_foos' => 4], ['optimized' => false, 'nb_foos' => 5], ['optimized' => true, 'nb_foos' => 5]]]];
}