code: def get_deleted_work_items(self, ids, project=None):
          
          route_values = {}
          if project is not None:
              route_values['project'] = self._serialize.url('project', project, 'str')
          query_parameters = {}
          if ids is not None:
              ids = ",".join(map(str, ids))
              query_parameters['ids'] = self._serialize.query('ids', ids, 'str')
          response = self._send(http_method='GET',
                                location_id='b70d8d39-926c-465e-b927-b1bf0e5ca0e0',
                                version='5.1-preview.2',
                                route_values=route_values,
                                query_parameters=query_parameters)
          return self._deserialize('[WorkItemDeleteReference]', self._unwrap_collection(response))
docs: GetDeletedWorkItems.
          [Preview API] Gets the work items from the recycle bin, whose IDs have been specified in the parameters
          :param [int] ids: Comma separated list of IDs of the deleted work items to be returned
          :param str project: Project ID or project name
          :rtype: [WorkItemDeleteReference]