public override bool Apply(LogFileStats.EventGroupKey groupKey) => true;
public override bool Apply(LogFileStats.EventGroupKey groupKey) => children_.Any(c => c.Apply(groupKey));
public override bool Apply(LogFileStats.EventGroupKey groupKey) => !wrapped_.Apply(groupKey);
public override bool Apply(LogFileStats.EventGroupKey groupKey) => groupKey.Logger.StartsWith(logger_, FilterLogger.LoggerComparison);
public override bool Apply(LogFileStats.EventGroupKey groupKey) => FilterLevel.LevelComparer.Compare(min_, groupKey.Level) <= 0 && FilterLevel.LevelComparer.Compare(groupKey.Level, max_) <= 0;
public abstract bool Apply(LogFileStats.EventGroupKey groupKey);