- _add
- add
- dumpHistory
- log
- process
We're guaranteed that only one thread will be called with this method at any
time
- removeAndProcess
Removes requests as long as they match - breaks at the first non-matching
request or when requests i
- resume
- setProcessing
- size
- suspend
Clears the queue and discards new requests from now on
- suspended
- waitUntilComplete
Blocks the caller until the current set of requests being processed have been
completed, or the time