/// <summary>
/// Dequeues items from the garbage collection queue and removes them if they have expired. Otherwise, item is added back to garbage collection queue.
/// This supplements the remove if expired logic which would never clean up items if they are no further adds to the set.
/// </summary>
/// <returns>The number removed items.</returns>
public int CleanStaleItems(int dequeueCount)
{
return(_map.CleanStaleItems(dequeueCount));
}
