Questione giuridica chiave
Whether the appeal against the Luzern district judge's security-for-costs order was admissible despite not being a final cantonal decision.
Decisione estratta
The appeal was inadmissible to that extent because the challenged order was not a final cantonal decision.
Motivazione estratta
Only a cantonal final decision may be challenged on that point under Art. 75(1) BGG.