protected void GetOrReserveEventType(string eventType, out TStreamId eventTypeId, out long newPos)
{
newPos = WriterCheckpoint.ReadNonFlushed();
_eventTypeIndex.GetOrReserveEventType(_logFormat.RecordFactory, eventType, newPos, out eventTypeId, out var eventTypeRecord);
if (eventTypeRecord != null)
{
Writer.Write(eventTypeRecord, out newPos);
}
}
