public function configProvider()
{
return ['no-config' => ['foo', 'bar', [], null], 'doctrine-missing' => ['foo', 'bar', [], []], 'section-missing' => ['foo', 'bar', [], ['doctrine' => []]], 'config-key-missing' => ['foo', 'bar', [], ['doctrine' => ['bar' => []]]], 'config-key-exists' => ['foo', 'bar', [1], ['doctrine' => ['bar' => ['foo' => [1]]]]]];
}