Debian packages on transit

Virtual package java15-sdk is provided by:

Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name                 Version             Architecture
+++-====================-===================-====================================                         
ii  default-jdk          2:1.17-74           amd64        Standard Java or Java compatible Development Kit
ii  openjdk-17-jdk:amd64 17.0.11+9-1~deb12u1 amd64        OpenJDK Development Kit (JDK)
ii  openjdk-21-jdk:amd64 21.0.1+12-2         amd64        OpenJDK Development Kit (JDK)

3 packages