/**
  * Returns the Identifier for a folder within a given folder.
  *
  * @param string $folderName The name of the target folder
  * @param Folder $parentFolder
  * @param bool $returnInaccessibleFolderObject
  * @return Folder|InaccessibleFolder
  * @throws \Exception
  * @throws Exception\InsufficientFolderAccessPermissionsException
  */
 public function getFolderInFolder($folderName, Folder $parentFolder, $returnInaccessibleFolderObject = false)
 {
     $folderIdentifier = $this->driver->getFolderInFolder($folderName, $parentFolder->getIdentifier());
     return $this->getFolder($folderIdentifier, $returnInaccessibleFolderObject);
 }