protected function getNewHeaders(array $files, $content_range)
{
$headers = array('pragma' => 'no-cache', 'cache-control' => 'no-store, no-cache, must-revalidate', 'content-disposition' => 'inline; filename="files.json"', 'x-content-type-options' => 'nosniff');
if ($content_range && is_object($files[0]) && $files[0]->size) {
$headers['range'] = '0-' . ($this->fixIntegerOverflow($files[0]->size) - 1);
}
return $headers;
}