code: func (r *TaskService) Cancel(taskId string, swarmingrpcstaskcancelrequest *SwarmingRpcsTaskCancelRequest) *TaskCancelCall {
  	c := &TaskCancelCall{s: r.s, urlParams_: make(gensupport.URLParams)}
  	c.taskId = taskId
  	c.swarmingrpcstaskcancelrequest = swarmingrpcstaskcancelrequest
  	return c
  }
docs: // Cancel: Cancels a task. If a bot was running the task, the bot will
  // forcibly cancel the task.