Why can not package the ovirt SDK ?

The error line is :

import org.ovirt.api.metamodel.concepts.ListType;

There is not such class, where to download it ?

Should maven download it auto ?

[root@test1 ovirt-engine-sdk-java]# mvn package

[INFO] Scanning for projects...

[INFO] ------------------------------------------------------------------------

[INFO] Reactor Build Order:

[INFO]

[INFO] oVirt Java SDK Parent

[INFO] oVirt Java SDK Generator

[INFO] oVirt Java SDK

[INFO]

[INFO] ------------------------------------------------------------------------

[INFO] Building oVirt Java SDK Parent 4.4.6-SNAPSHOT

[INFO] ------------------------------------------------------------------------

[INFO]

[INFO] --- maven-source-plugin:2.4:jar-no-fork (attach-sources) @ java-sdk-parent ---

[INFO]

[INFO] ------------------------------------------------------------------------

[INFO] Building oVirt Java SDK Generator 4.4.6-SNAPSHOT

[INFO] ------------------------------------------------------------------------

[INFO]

[INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ java-sdk-generator ---

[INFO] Using 'UTF-8' encoding to copy filtered resources.

[INFO] Copying 2 resources

[INFO]

[INFO] --- maven-compiler-plugin:2.3.2:compile (default-compile) @ java-sdk-generator ---

[INFO] Compiling 3 source files to /root/test/ovirt-engine-sdk-java/generator/target/classes

[INFO] -------------------------------------------------------------

[ERROR] COMPILATION ERROR :

[INFO] -------------------------------------------------------------

[ERROR] /root/test/ovirt-engine-sdk-java/generator/src/main/java/org/ovirt/sdk/java/ServicesGenerator.java:[26,39] error: cannot access ListType

[INFO] 1 error

[INFO] -------------------------------------------------------------

[INFO] ------------------------------------------------------------------------

[INFO] Reactor Summary:

[INFO]

[INFO] oVirt Java SDK Parent .............................. SUCCESS [  1.259 s]

[INFO] oVirt Java SDK Generator ........................... FAILURE [  2.234 s]

[INFO] oVirt Java SDK ..................................... SKIPPED

[INFO] ------------------------------------------------------------------------

[INFO] BUILD FAILURE

[INFO] ------------------------------------------------------------------------

[INFO] Total time: 3.780 s

[INFO] Finished at: 2021-05-28T21:57:53+08:00

[INFO] Final Memory: 16M/40M

[INFO] ------------------------------------------------------------------------

[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:2.3.2:compile (default-compile) on project java-sdk-generator: Compilation failure

[ERROR] /root/test/ovirt-engine-sdk-java/generator/src/main/java/org/ovirt/sdk/java/ServicesGenerator.java:[26,39] error: cannot access ListType

[ERROR]

[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 <goals> -rf :java-sdk-generator