// Add them as separate jars
                    classpath(files("./subproject/impl/build/libs/impl-1.0.jar"))
                    classpath(files("./subproject/api/build/libs/api-1.0.jar"))
                }
            }
        """

        when:
        executer.inDirectory(file("subproject")).withTasks("jar").run()
        run("tasks")

        then:

        get() = "${testType.name.toCapitalized()}_$uuid"

    fun asConfigurationId(model: CIBuildModel, subProject: String = ""): String {
        val prefix = "${testCoveragePrefix}_"
        val shortenedSubprojectName = shortenSubprojectName(model.projectId, prefix + subProject)
        return model.projectId + "_" + if (subProject.isNotEmpty()) shortenedSubprojectName else "${prefix}0"
    }

    private

[.multi-language-sample]
=====
[source,kotlin]
----
.
├── settings.gradle.kts
├── subproject-one
│   └── build.gradle.kts
└── subproject-two
    └── build.gradle.kts
----
=====
[.multi-language-sample]
=====
[source,groovy]
----
.
├── settings.gradle
├── subproject-one
│   └── build.gradle
└── subproject-two
    └── build.gradle
----
=====
====

[[sec:build_sources]]

        def body = ""
        def isParent = subProjectNumber == null || config.subProjects == 0
        def hasSources = subProjectNumber != null || config.subProjects == 0
        if (isParent) {
            if (config.subProjects != 0) {
                body += """
                    <modules>
                        ${(0..config.subProjects - 1).collect { "<module>project$it</module>" }.join("\n                ")}

include::sample[dir="snippets/plugins/greetingPlugin/groovy",files="buildSrc/src/main/groovy/GreetingPlugin.gradle[]"]
====

The `GreetingPlugin` can now be applied in other subprojects' builds by using its ID:

====
include::sample[dir="snippets/plugins/greetingPlugin/kotlin",files="app/build.gradle.kts[tag=use-plugin]"]

            buildFile << """
                allprojects {
                    repositories {
                        ${mavenCentralRepository()}
                    }
                }
                subprojects {
                    plugins.withId('java') {
                        testing {
                            suites {
                                test {
                                    useJUnit()

        settingsFile << """
            rootProject.name = 'root'
            include '1', '2'
        """
        buildFile << """
            subprojects {
                task otherBuild(type:GradleBuild) {
                    dir = "\${rootProject.file('subprojects')}"
                    tasks = ['log']
                    buildName = project.name + "nested"
                    def startEvent = project.name + "-started"

    def "will substitute and run build dependencies for closed projects on startup"() {
        setup:
        multiProjectBuildInRootFolder("parent", ["child1", "child2"]) {
            buildFile << """
            subprojects {
                apply plugin: 'java-library'
            }
            project(":child1") {
                configurations {
                    testArtifacts
                }

testing/internal-performance-testing/       @gradle/bt-developer-productivity
testing/internal-testing/                   @gradle/bt-developer-productivity

# Release coordination
subprojects/core-platform/              @gradle/bt-support
subprojects/distributions-dependencies/ @gradle/bt-support
subprojects/distributions-full/         @gradle/bt-support
testing/performance/                    @gradle/bt-support
testing/smoke-test/                     @gradle/bt-support

Buildscript classes for Kotlin and Groovy are transformed via execution engine when they are compiled, base logic is in [BuildScriptCompileUnitOfWork.java](https://github.com/gradle/gradle/blob/master/subprojects/core/src/main/java/org/gradle/internal/scripts/BuildScriptCompileUnitOfWork.java)....