Unable to build under Java 14

[minborg]

[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.8.1:compile (default-compile) on project fieldgenerator-test: Compilation failure: Compilation failure: 
[ERROR] /Users/pemi/git/speedment/jpa-streamer/fieldgenerator/fieldgenerator-test/target/generated-sources/annotations/com/speedment/jpastreamer/fieldgenerator/test/Lombok3Bean$.java:[27,66] error: incompatible types: cannot infer type-variable(s) ENTITY
[ERROR]     (argument mismatch; invalid method reference
[ERROR]       getId() has private access in Lombok3Bean)
[ERROR]   where ENTITY is a type-variable:
[ERROR]     ENTITY extends Object declared in method <ENTITY>create(Class<ENTITY>,String,IntGetter<ENTITY>,boolean)
[ERROR] /Users/pemi/git/speedment/jpa-streamer/fieldgenerator/fieldgenerator-test/target/generated-sources/annotations/com/speedment/jpastreamer/fieldgenerator/test/Actor$.java:[39,87] error: incompatible types: cannot infer type-variable(s) ENTITY,V
[ERROR]     (argument mismatch; invalid method reference
[ERROR]       getFilms() has private access in Actor)
[ERROR]   where ENTITY,V are type-variables:
[ERROR]     ENTITY extends Object declared in method <ENTITY,V>create(Class<ENTITY>,String,ReferenceGetter<ENTITY,V>,boolean)
[ERROR]     V extends Object declared in method <ENTITY,V>create(Class<ENTITY>,String,ReferenceGetter<ENTITY,V>,boolean)
[ERROR] /Users/pemi/git/speedment/jpa-streamer/fieldgenerator/fieldgenerator-test/target/generated-sources/annotations/com/speedment/jpastreamer/fieldgenerator/test/Lombok2Bean$.java:[27,74] error: incompatible types: cannot infer type-variable(s) ENTITY
[ERROR]     (argument mismatch; invalid method reference
[ERROR]       getName() has private access in Lombok2Bean)
[ERROR]   where ENTITY is a type-variable:
[ERROR]     ENTITY extends Object declared in method <ENTITY>create(Class<ENTITY>,String,ReferenceGetter<ENTITY,String>,boolean)
[ERROR] /Users/pemi/git/speedment/jpa-streamer/fieldgenerator/fieldgenerator-test/target/generated-sources/annotations/com/speedment/jpastreamer/fieldgenerator/test/Lombok2Bean$.java:[39,8] error: invalid method reference
[ERROR]   cannot find symbol
[ERROR]     symbol:   method getPetName()
[ERROR]     location: class Lombok2Bean
[ERROR] -> [Help 1]
[ERROR] 
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR] 
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException
[ERROR] 
[ERROR] After correcting the problems, you can resume the build with the command
[ERROR]   mvn <args> -rf :fieldgenerator-test