apply plugin: 'java-lang'

//Creating LanguageSourceSets via rules
class LanguageSourceSetRules extends RuleSource {
    @Model
    void mySourceSet(JavaSourceSet javaSource) {
        javaSource.source.srcDir("src/main/my")
    }
}
apply plugin: LanguageSourceSetRules

//Creating LanguageSourceSets via the model DSL
model {
    another(JavaSourceSet) {
        source {
            srcDir "src/main/another"
        }
    }
}

//Using FunctionalSourceSets
@Managed
interface SourceBundle {
    FunctionalSourceSet getFreeSources()
    FunctionalSourceSet getPaidSources()
}
model {
    sourceBundle(SourceBundle) {
        freeSources.create("main", JavaSourceSet)
        freeSources.create("resources", JvmResourceSet)
        paidSources.create("main", JavaSourceSet)
        paidSources.create("resources", JvmResourceSet)
    }
}