Compiler options for Kotlin/JVM.
Generate metadata for Java 1.8 reflection on method parameters.
Emit JVM default methods for interface declarations with bodies. The default is 'enable'.
The target version of the generated JVM bytecode (1.8 and 9–24), with 1.8 as the default.
Name of the generated '.kotlin_module' file.
Don't automatically include the Java runtime in the classpath.