Bug#1057524: lombok: FTBFS with default Java 21

[Vladimir Petko]

Source: lombok
Version: 1.18.24-1
Severity: important
Tags: ftbfs
User: debian-java at lists.debian.org
Usertags: default-java21

Dear Maintainers,

The package lombok ftbfs with default Java 21.
The relevant part of the build log:
---------------
[ivy:compile] /<<PKGBUILDDIR>>/src/eclipseAgent/lombok/eclipse/agent/PatchExtensionMethodCompletionProposal.java:67: error: cannot access ICompletionProposal
[ivy:compile] 		List<IJavaCompletionProposal> proposals = new ArrayList<IJavaCompletionProposal>(Arrays.asList(javaCompletionProposals));
[ivy:compile] 		                                          ^
[ivy:compile]   class file for org.eclipse.jface.text.contentassist.ICompletionProposal not found
[ivy:compile] Note: Some input files use or override a deprecated API.
[ivy:compile] Note: Recompile with -Xlint:deprecation for details.
[ivy:compile] 1 error

BUILD FAILED
/<<PKGBUILDDIR>>/buildScripts/compile.ant.xml:172: Compile failed; see the compiler error output for details.

Total time: 6 seconds
dh_auto_build: error: ant -Divy.settings.file=/usr/share/ivy-debian-helper/ivysettings.xml -Divy.default.ivy.user.dir=/<<PKGBUILDDIR>>/.ivy2 -Divy.default.ivy.user.dir=/<<PKGBUILDDIR>>/.ivy -Dbasedir=/<<PKGBUILDDIR>> -Dlombok.version=1.18.24 -Djdk6-rt.available=true -Djdk8-rt.available=true dist returned exit code 1
make[1]: *** [debian/rules:9: override_dh_auto_build] Error 25
make[1]: Leaving directory '/<<PKGBUILDDIR>>'
make: *** [debian/rules:6: build] Error 2
dpkg-buildpackage: error: debian/rules build subprocess returned exit status 2
--------------------------------------------------------------------------------
Build finished at 2023-12-04T10:24:41Z
---------------


-- System Information:
Debian Release: trixie/sid
  APT prefers mantic-updates
  APT policy: (500, 'mantic-updates'), (500, 'mantic-security'), (500, 'mantic')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 6.5.0-13-generic (SMP w/32 CPU threads; PREEMPT)
Kernel taint flags: TAINT_PROPRIETARY_MODULE, TAINT_OOT_MODULE
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE=en
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled