The request message for the operation getCounter(). The response message for the operation getCounter(). The request message for the operation getUserCounter(). The response message for the operation getUserCounter(). Returns the current counter from the service. The counter is then increased by the service. This counter will be reset every time the service is restarted. Returns the current user counter from the service. The counter is then increased by the service. This counter will be persistent as long as the service exists, i.e. even if it is restarted.