override fun getRuntimeOnlyConfigurationName(): String = jvmMainSourceSet.runtimeOnlyConfigurationName + "ForFakeMain"

      override fun getTaskName(
        verb: String?,
        target: String?,
      ) = "${jvmMainSourceSet.getTaskName(verb, target)}ForFakeMain"
    }
  extensions
    .getByType(JavaPluginExtension::class.java)
    .sourceSets
    .add(mainSourceSet)

        projectDirectory.dir(it.single().asFile.absolutePath).dir("checkstyle")
    }
}

plugins.withType<GroovyBasePlugin> {
    the<SourceSetContainer>().all {
        tasks.register<Checkstyle>(getTaskName("checkstyle", "groovy")) {
            config = configFile("checkstyle-groovy.xml")
            source(allGroovy)
            classpath = compileClasspath