DataSift\Storyplayer\TestEnvironmentsLib\TestEnvironmentConfig::validateGroupType PHP Method

    protected function validateGroupType($groupIndex, $typeName)
    {
        $className = "DataSift\\Storyplayer\\HostLib\\" . $typeName;
        if (!class_exists($className)) {
            throw new E4xx_InvalidTestEnvironmentGroupType($groupIndex, $typeName, $className);
        }
    }