config = resources.text.fromArchiveEntry(checkstyleConfig, "google_checks.xml")
  toolVersion = version("checkstyle")

  val sourceSets = project.extensions.findByType<SourceSetContainer>()
  val main = sourceSets?.findByName("main") ?: sourceSets?.findByName("jvmMain")
  if (main != null) {
    this.sourceSets = listOf(main)
  }
}

val androidSignature = configurations.maybeCreate("androidSignature")

      BundleTaskExtension::class.java,
      jarTask,
    )
  bundleExtension.run {
    setClasspath(osgi.compileClasspath + sourceSets["main"].compileClasspath)
    properties.empty()
    bnd(*bndProperties)
  }
  jarTask.doLast(
    "buildBundle",
    BndBuildAction(bundleExtension, jarTask, sourceSets["main"].allSource),
  )
}

fun Project.applyOsgiMultiplatform(vararg bndProperties: String) {

    public void apply(Project project) {
        project.getPluginManager().apply(RestTestBasePlugin.class);

        // create source set
        SourceSetContainer sourceSets = project.getExtensions().getByType(SourceSetContainer.class);
        SourceSet javaTestSourceSet = sourceSets.create(SOURCE_SET_NAME);

        // setup the javaRestTest task
        registerTestTask(project, javaTestSourceSet);

        // setup dependencies

            project.getPlugins().withType(JavaBasePlugin.class, javaBasePlugin -> {
                final SourceSetContainer sourceSets = project.getExtensions().getByType(JavaPluginExtension.class).getSourceSets();
                licenseHeadersTask.getSourceFolders()
                    .addAll(providerFactory.provider(() -> sourceSets.stream().map(s -> s.getAllJava()).collect(Collectors.toList())));
            });
        });
    }

  throw new GradleException("Java ${minCompilerJava} is required to build Elasticsearch but current Java is version ${JavaVersion.current()}.")
}

sourceSets {
  integTest {
    compileClasspath += sourceSets["main"].output + configurations["testRuntimeClasspath"]
    runtimeClasspath += output + compileClasspath
  }
}

tasks.withType(JavaCompile).configureEach {

      val sourceSets =
        project.extensions
          .getByType(org.gradle.api.plugins.JavaPluginExtension::class.java)
          .sourceSets
      val existingMain = sourceSets.findByName("main")
      if (existingMain != null) return existingMain

      val jvmMainSourceSet = sourceSets.getByName("jvmMain")
      val mainSourceSet =

        project.getPluginManager().apply(RestResourcesPlugin.class);

        // create source set
        SourceSetContainer sourceSets = project.getExtensions().getByType(SourceSetContainer.class);
        SourceSet yamlTestSourceSet = sourceSets.create(SOURCE_SET_NAME);

        registerTestTask(project, yamlTestSourceSet);

        // setup the dependencies

tasks.withType<JavaCompile> {
  sourceCompatibility = JvmTarget.JVM_17.target
  targetCompatibility = JvmTarget.JVM_17.target
}

// TODO reenable other tests
// https://github.com/square/okhttp/issues/8901
// sourceSets {
//  test {
//    java.srcDirs(
//      "../okhttp-brotli/src/test/java",
//      "../okhttp-dnsoverhttps/src/test/java",
//      "../okhttp-logging-interceptor/src/test/java",
//      "../okhttp-sse/src/test/java",

        project.getTasks().register("buildResources", ExportElasticsearchBuildResourcesTask.class);

        // only setup tests to build
        SourceSetContainer sourceSets = project.getExtensions().getByType(SourceSetContainer.class);
        final SourceSet testSourceSet = sourceSets.create("test");

        project.getTasks().withType(Test.class).configureEach(test -> {
            test.setTestClassesDirs(testSourceSet.getOutput().getClassesDirs());

                            includeEngines("archunit")
                        }
                        testClassesDirs += sharedArchTestClasses.filter { it.isDirectory }
                        classpath += sourceSets["main"].output.classesDirs
                        val excludePatterns = packageCyclesExtension.excludePatterns
                        doFirst {