code: def call(self, folders, additional_fields, shape):
          
          # We can't easily find the correct folder class from the returned XML. Instead, return objects with the same
          # class as the folder instance it was requested with.
          from .folders import Folder, DistinguishedFolderId, RootOfHierarchy
          folders_list = list(folders)  # Convert to a list, in case 'folders' is a generator
          for folder, elem in zip(folders_list, self._get_elements(payload=self.get_payload(
              folders=folders,
              additional_fields=additional_fields,
              shape=shape,
          ))):
              if isinstance(elem, Exception):
                  yield elem
                  continue
              if isinstance(folder, RootOfHierarchy):
                  f = folder.from_xml(elem=elem, account=self.account)
              elif isinstance(folder, Folder):
                  f = folder.from_xml(elem=elem, root=folder.root)
              elif isinstance(folder, DistinguishedFolderId):
                  # We don't know the root, so assume account.root.
                  for folder_cls in self.account.root.WELLKNOWN_FOLDERS:
                      if folder_cls.DISTINGUISHED_FOLDER_ID == folder.id:
                          break
                  else:
                      raise ValueError('Unknown distinguished folder ID: %s', folder.id)
                  f = folder_cls.from_xml(elem=elem, root=self.account.root)
              else:
                  # 'folder' is a generic FolderId instance. We don't know the root so assume account.root.
                  f = Folder.from_xml(elem=elem, root=self.account.root)
              if isinstance(folder, DistinguishedFolderId):
                  f.is_distinguished = True
              elif isinstance(folder, Folder) and folder.is_distinguished:
                  f.is_distinguished = True
              yield f
docs: Takes a folder ID and returns the full information for that folder.
  
          :param folders: a list of Folder objects
          :param additional_fields: the extra fields that should be returned with the folder, as FieldPath objects
          :param shape: The set of attributes to return
          :return: XML elements for the folders, in stable order