/**
* Returns the object for a subfolder of the current folder, if it exists.
*
* @param string $name Name of the subfolder
* @return Folder
* @throws \InvalidArgumentException
*/
public function getSubfolder($name)
{
if (!$this->storage->hasFolderInFolder($name, $this)) {
throw new \InvalidArgumentException('Folder "' . $name . '" does not exist in "' . $this->identifier . '"', 1329836110);
}
return $this->storage->getFolderInFolder($name, $this);
}