KLK-42 likely superoutburst WZ Sge or AM CVn. Multiple rebrightenings during the 2019 July-Aug. outburst in ZTF data. YYYYMMDD(UT) mag observer 20221029.1296 19.212zg (ZTF Alert DC mag (Masci+ 2019)) 20221029.1878 18.347zr (ZTF Alert DC mag (Masci+ 2019)) 20221031.1085 17.070zr (ZTF Alert DC mag (Masci+ 2019)) 20221031.1510 16.931zg (ZTF Alert DC mag (Masci+ 2019))