copy_sync
Description:
public bool copy_sync (string source_uri, string destination_uri, string depth, bool can_overwrite, Cancellable? cancellable = null) throws Error
  
  Copies a resource identified by source_uri to destination_uri on the server.
 The source_uri can reference also collections, in which case the depth influences whether only the collection itself
      is copied (%E_WEBDAV_DEPTH_THIS) or whether the collection with all its children is copied (%E_WEBDAV_DEPTH_INFINITY).
Parameters:
| this | |
| source_uri | 
           URI of the resource or collection to copy  | 
      
| destination_uri | 
           URI of the destination  | 
      
| depth | 
           requested depth, can be one of WEBDAV_DEPTH_THIS or WEBDAV_DEPTH_INFINITY  | 
      
| can_overwrite | 
           whether can overwrite   | 
      
| cancellable | 
           optional Cancellable object, or   | 
      
Returns:
| 
           Whether succeeded.  |