GetWorkItemsBatch.
        Gets work items for a list of work item ids (Maximum 200)
        :param :class:`<WorkItemBatchGetRequest> <azure.devops.v5_0.work_item_tracking.models.WorkItemBatchGetRequest>` work_item_get_request:
        :param str project: Project ID or project name
        :rtype: [WorkItem]

def get_work_items_batch(self, work_item_get_request, project=None):
        """GetWorkItemsBatch.
        Gets work items for a list of work item ids (Maximum 200)
        :param :class:`<WorkItemBatchGetRequest> <azure.devops.v5_0.work_item_tracking.models.WorkItemBatchGetRequest>` work_item_get_request:
        :param str project: Project ID or project name
        :rtype: [WorkItem]
        """
        route_values = {}
        if project is not None:
            route_values['project'] = self._serialize.url('project', project, 'str')
        content = self._serialize.body(work_item_get_request, 'WorkItemBatchGetRequest')
        response = self._send(http_method='POST',
                              location_id='908509b6-4248-4475-a1cd-829139ba419f',
                              version='5.0',
                              route_values=route_values,
                              content=content)
        return self._deserialize('[WorkItem]', self._unwrap_collection(response))