✅ Fjerner ikke andre nøkler ved kall til remove(nøkkel)()
✅ Returnerer cached verdi()
✅ Fjerner angitt nøkkel ved kall til remove(nøkkel) uavhengig av levetid()
✅ Hele cachen tømmes ved kall mot clear() uavhengig av levetid()
✅ Gamle verdier fjernes før cachen sjekkes()
✅ Returnerer ikke gammel cached verdi()
✅ Overskriver gammel cached verdi med ny()

⚪ migration scheduler()
✅ metric scheduler()

✅ default branch from joined stream()
✅ branch en branched stream from mapped()
✅ branch from consumed()
✅ branch stream from left joined stream()
✅ branch stream from joined stream()
✅ default branch from left joined stream()
✅ default branch from consumed()
✅ default branch stream from mapped()
✅ branch from mapped()

✅ left join with bufferable()
✅ map with metadata()
✅ secure log with key()
✅ use costom processor()
✅ use custom processor with table()
✅ rekey consumed topic()
✅ flat map key and value and preserve the type()
✅ filter a filtered  stream()
✅ filter on key()
✅ use custom processor in place()
✅ filter consumed topic()
✅ secure log with structured arguments()
✅ flat map to key and value()
✅ produce to topic()
✅ for each()
✅ use custom processor with mapping()
✅ join with bufferable()
✅ repartition()
✅ secure log()
✅ flat map and preserve the type()
✅ flat map()

✅ left join topic with table with no match()
✅ left join filtered topic with empty table is not filtered out()
✅ left join and secure log with key()
✅ join topic with table and write back to topic()
✅ left join filtered topic with table()
✅ join filtered topic with table()
✅ left join topic with table()
✅ join and flat map key and value()
✅ join and secure log with key()
✅ join topic with table()
✅ filter a mapped joined stream()

✅ map a left joined stream()
✅ map and use custom processor with table()
✅ rekey with mapKeyValue()
✅ map key and value()
✅ mapNotNull a branched stream()
✅ map and use custom processor()
✅ rekey a mapped stream()
✅ map a filtered left joined stream()
✅ filter a filtered mapped stream()
✅ map a joined stream()
✅ map a filtered joined stream()

✅ reduce with tumbling windows()
✅ reduce with session windows()
✅ reduce with hopping windows()
✅ reduce with sliding windows()

✅ consume on each()
✅ consume again()

✅ include custom topic to db()
✅ join i en stream og initier i en annen()
✅ custom state processor()

✅ schema registry config is configured when present()

✅ join topic with table()

✅ config()