private function checkEngineData(array $properties, $message)
{
if (array_key_exists('RenderingEngine_Name', $properties) || array_key_exists('RenderingEngine_Version', $properties) || array_key_exists('RenderingEngine_Description', $properties) || array_key_exists('RenderingEngine_Maker', $properties) || array_key_exists('VBScript', $properties) || array_key_exists('ActiveXControls', $properties) || array_key_exists('BackgroundSounds', $properties)) {
throw new \LogicException($message);
}
}