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kotlinlang

It seems like kapt3 in 1.0.6-eap77 ships with an `APT_ONLY` mode
<https://github.com/JetBrains/kotlin/blob/8afac55a908c80feb7dd7bf7105e0557d34cacce/plugins/kapt3/src/org/jetbrains/kotlin/kapt3/Kapt3Plugin.kt#L88>
<https://github.com/JetBrains/kotlin/commit/95d12103171315bc2cb71d1a51a564234f0b5477>

This means any build system can call kotlinc with this option and pass in kotlin source files to generate the java stubs required for the javac annoation processor round and compilation, if I read that correctly