artifact(b.flatMap { it.output })
                            artifact(b.flatMap { throw new RuntimeException("broken outgoing artifact") })
                            variants {
                                create("broken") {
                                    artifact(b.flatMap { it.output })
                                    artifact(b.flatMap { throw new RuntimeException("broken variant artifact") })

struct PartiallyRevivedObjects {
  gtl::FlatMap<int, std::unique_ptr<Variable>> variables;
  gtl::FlatMap<int, std::unique_ptr<Asset>> assets;
  gtl::FlatMap<int, std::unique_ptr<Constant>> constants;
  gtl::FlatMap<int, TFConcreteFunctionRevivalState> concrete_functions;
  gtl::FlatMap<int, TFSignatureDefFunctionRevivalState> signature_def_functions;
  gtl::FlatMap<int, RestoredResourceRevivalState> restored_resources;

    }

    @Test
    fun `Provider#flatMap works with a null return value in script`() {
        withBuildScript("""
            val providerA: Provider<String> = provider { "thing" }.flatMap { provider { null } }
            val providerB: Provider<String> = provider { "thing" }.flatMap { null }
        """)
        build("help")
    }

    @Test
    fun `Provider#flatMap works with a null return value in a kotlin-dsl project`() {

            AGP_VERSIONS.latestsStableOrRC,
            [
                [type: 'flatMap{map{}}',
                 mapBegin: 'flatMap { it.fieldValueOutputFile.map {', mapEnd: '} }',
                 get: 'it.asFile.readText(Charsets.UTF_8)'],
                [type: 'flatMap{map{}.map{}}',
                 mapBegin: 'flatMap { it.fieldValueOutputFile.map { it.asFile.readText(Charsets.UTF_8) }.map {', mapEnd: '} }',

      Spliterator<OutElementT> flatMap(
          Spliterator<InElementT> fromSpliterator,
          Function<? super InElementT, @Nullable Spliterator<OutElementT>> function,
          int topCharacteristics,
          long topSize) {
    checkArgument(
        (topCharacteristics & Spliterator.SUBSIZED) == 0,
        "flatMap does not support SUBSIZED characteristic");
    checkArgument(

  // freed after TFConcreteFunctions, for example.
  gtl::FlatMap<int, std::unique_ptr<Variable>> variables;
  gtl::FlatMap<int, std::unique_ptr<Asset>> assets;
  gtl::FlatMap<int, std::unique_ptr<Constant>> constants;
  gtl::FlatMap<int, std::unique_ptr<TFSignatureDefFunction>>
      signature_def_functions;
  RevivedObjectContainer<TFConcreteFunction> concrete_functions;
  gtl::FlatMap<int, RestoredResource> restored_resources;

        get() = analysisSchemaComponents.flatMap { it.typeDiscovery() }

    override val propertyExtractors: List<PropertyExtractor>
        get() = analysisSchemaComponents.flatMap { it.propertyExtractors() }

    override val functionExtractors: List<FunctionExtractor>
        get() = analysisSchemaComponents.flatMap { it.functionExtractors() }

    archiveClassifier = "src"
    from("somedir")
}

tasks.register("echoNames") {
    val projectNameString = project.name
    val archiveFileName = myZip.flatMap { it.archiveFileName }
    val myOtherArchiveFileName = myOtherZip.flatMap { it.archiveFileName }
    doLast {
        println("Project name: $projectNameString")
        println(archiveFileName.get())
        println(myOtherArchiveFileName.get())
    }

        }
        val buildEnvironmentExtension = extensions.create("buildEnvironment", BuildEnvironmentExtension::class)
        buildEnvironmentExtension.gitCommitId = service.flatMap { it.gitCommitId }
        buildEnvironmentExtension.gitBranch = service.flatMap { it.gitBranch }
        buildEnvironmentExtension.repoRoot = this@with
    }

        def initial = Try.<Integer>failure(new RuntimeException("failed"))
        expect:
        initial.flatMap { it.toString() } == initial
    }

    def "failing flat map"() {
        def failure = new RuntimeException("failed")
        when:
        Try.successful(10).flatMap { throw failure }
        then:
        def ex = thrown Exception
        ex == failure
    }

    def "map a failure"() {