This project is a part of Kotlin IntelliJ IDEA Plugin which provides support for Ultimate IDEA features from Kotlin side.
If you want to work on this project you should open it in IDEA as separate project.
To build this project:
ant -f update_dependencies.xmlin kotlin-ultimate folder.
If you want to build a Kotlin IntelliJ IDEA Plugin locally with ultimate features support you should:
ant -f build.xmlin kotlin-ultimate folder.
Then you will get kotlin-plugin with ultimate features in
ultimate/out/artifacts/Kotlin folder. And then you can move/copy/symlink
ultimate/out/artifacts/Kotlin to the IDEA config: