-(AlfrescoRequest *) retrieveParentFolderOfNode:(AlfrescoNode *)node
        completionBlock:(AlfrescoFolderCompletionBlock)completionBlock - retrieves the
      parent folder object of the specified node.
    Parameters
- (AlfrescoNode *) node
 - The node to retrieve the parent folder of.
 - (AlfrescoFolderCompletionBlock) completionBlock
 - The block that is called with the folder on completion of the operation. The completion block has the format typedef void (^AlfrescoFolderCompletionBlock)(AlfrescoFolder *folder, NSError *error).
 
Returns
(AlfrescoRequest *)
Example