code: def file_query_size(self, path, follow_symlinks):
          
          if not isinstance(path, basestring):
              raise TypeError("path can only be an instance of type basestring")
          if not isinstance(follow_symlinks, bool):
              raise TypeError("follow_symlinks can only be an instance of type bool")
          size = self._call("fileQuerySize",
                       in_p=[path, follow_symlinks])
          return size
docs: Queries the size of a regular file in the guest.
  
          in path of type str
              Path to the file which size is requested.  Guest path style.
  
          in follow_symlinks of type bool
              It @c true, symbolic links in the final path component will be
              followed to their target, and the size of the target is returned.
              If @c false, symbolic links in the final path component will make
              the method call fail (symblink is not a regular file).
  
          return size of type int
              Queried file size.
  
          raises :class:`VBoxErrorObjectNotFound`
              File to was not found.
          
          raises :class:`VBoxErrorIprtError`
              Error querying file size.