public bool EqualNames(TimestampedEvent a, TimestampedEvent b) => EqualNames(a.timestamp, b.timestamp);
public bool EqualNames(TimestampedEvent a, TimestampedEvent b) => true;
public string BaseName(TimestampedEvent timestampedEvent) => Format("event", timestampedEvent.timestamp);
public string BaseName(TimestampedEvent timestampedEvent) => null;