A function that is called when a drop is spilled from the queue (meaning that the callback has been called).
The function handle to be instrumented.
The amount of messages still in the queue.
The return type of the function handle.
A function that is called when an error occurs while handling a message.
The error that occurred.
The message that caused the error.
The instrumentation function which is run when a "tick" occurs.
The function handle to be instrumented.
The amount of messages still in the queue.
The return type of the function handle.
A type that extends the ConnectionInstrumentors and QueueInstrumentors interfaces. This is used to define the instrumentors for the RateLimitedQueueClient.