LBM will call this method to attempt to retrieve a stats object instance that it can use instead of
creating a new instance to reduce garbage collection. It will refresh the stats object and then use it
as if it were a new instance. Returning null causes LBM to create a new instance as if there were
no recycler.

C# |
public virtual LBMReceiverStatistics retrieveReceiverStatistics( Object cbObj )

- cbObj (Object)
- The callback object token that was stored when setting LBMObjectRecycler in the attributes

Either null or a valid LBMReceiverStatistics object will be returned