public ConsumerEventHandler(
ILogger <SystemService> logger,
XNodeEventService xNodeEventService,
ConsumerIOService consumerIOService,
MessageIOService messageIOService)
{
_logger = logger;
_xNodeEventService = xNodeEventService;
_consumerIOService = consumerIOService;
_messageIOService = messageIOService;
_unacknowledgedMessageProcesses = new ConcurrentDictionary <string, Task>();
InitializeEvents();
}