/**
* @inheritdoc
*/
protected function validateResponse(array $json)
{
if (!isset($json['prices']) || !is_array($json['prices'])) {
throw new Exception('prices array property expected');
}
foreach ($json['prices'] as $price) {
parent::validateResponse($price);
}
}
protected function exec($params)
{
$this->executedParams = $params;
return parent::exec($params);
}