return sets.NewString(
		string(audit.StageRequestReceived),
		string(audit.StageResponseStarted),
		string(audit.StageResponseComplete),
		string(audit.StagePanic),
	)
}

// AllLevels returns all possible levels
func AllLevels() sets.String {
	return sets.NewString(
		string(audit.LevelNone),
		string(audit.LevelMetadata),
		string(audit.LevelRequest),
		string(audit.LevelRequestResponse),
	)
}