docs: def QueueQueryTasks(self, queue, limit=1):
      """Retrieves tasks from a queue without leasing them.
  
      This is good for a read only snapshot of the tasks.
  
      Args:
        queue: The task queue that this task belongs to, usually client.Queue()
          where client is the ClientURN object you want to schedule msgs on.
        limit: Number of values to fetch.
  
      Returns:
        A list of Task() objects.
      """
      prefix = DataStore.QUEUE_TASK_PREDICATE_PREFIX
      all_tasks = []
  
      for _, serialized, ts in self.ResolvePrefix(
          queue, prefix, timestamp=DataStore.ALL_TIMESTAMPS):
        task = rdf_flows.GrrMessage.FromSerializedString(serialized)
        task.leased_until = ts
        all_tasks.append(task)
  
      return all_tasks[:limit]