expect:
        model.includedBuilds.size() == 1

        def included = model.includedBuilds[0]
        included.buildIdentifier.rootDir == file("child")
        included.includedBuilds.size() == 1
        included.editableBuilds.empty

        model.editableBuilds.size() == 1

        model.editableBuilds[0].is(included)

        included.includedBuilds[0].is(model)
    }

        then:
        model.rootProject.name == "root"
        model.includedBuilds.size() == 1
        def includedBuild = model.includedBuilds[0]
        includedBuild.rootProject.name == "includedBuild"
        includedBuild.projects.size() == 4
    }

    @TargetGradleVersion(">=3.1 <3.3")
    def "No included builds for old Gradle versions"() {
        singleProjectBuildInRootFolder("root") {
            settingsFile << """

        rootBuild.rootProject.name == "root"
        rootBuild.includedBuilds.size() == 1

        def buildB = rootBuild.includedBuilds[0]
        buildB.buildIdentifier.rootDir == buildBDir
        buildB.rootProject.name == "buildB"
        buildB.projects.size() == 4
        buildB.includedBuilds.size() == 1

        def buildC = buildB.includedBuilds[0]
        buildC.buildIdentifier.rootDir == buildCDir

            includedBuilds[includedBuildName] = b
        }
        applyConfiguration(spec, b)
        this
    }

    void generate() {
        settingsBuilder.generate(dsl, rootProjectDirectory)
        projects.each { name, builder ->
            builder.generate()
        }
        includedBuilds.each { name, builder ->
            builder.generate()
        }
    }

        if (includedBuilds == null) {
            throw new IllegalStateException("Included builds are not yet available for this build.");
        }
        return includedBuilds;
    }

    @Override
    public IncludedBuild includedBuild(final String name) {
        for (IncludedBuild includedBuild : includedBuilds()) {
            if (includedBuild.getName().equals(name)) {
                return includedBuild;
            }

                }
            """
        }
        includedBuilds << buildB
    }

    def "reports failure to configure one participant build"() {
        given:
        def buildC = singleProjectBuild("buildC") {
            buildFile << """
                throw new RuntimeException('exception thrown on configure')
            """
        }
        includedBuilds << buildC

        when:
        checkDependenciesFails()

        !parameter.projectProperties.is(newInstance.projectProperties)
        !parameter.systemPropertiesArgs.is(newInstance.systemPropertiesArgs)
        !parameter.includedBuilds.is(newInstance.includedBuilds)

        and:
        parameter.initScripts == newInstance.initScripts
        parameter.taskNames == newInstance.taskNames
        parameter.excludedTaskNames == newInstance.excludedTaskNames

    override fun getSharedServices(): BuildServiceRegistry =
        delegate.sharedServices

    override fun getIncludedBuilds(): MutableCollection<IncludedBuild> =
        delegate.includedBuilds

    override fun includedBuild(name: String): IncludedBuild =
        delegate.includedBuild(name)

    override fun getConfigurationTargetIdentifier(): ConfigurationTargetIdentifier =
        delegate.configurationTargetIdentifier

    }

    public void includeBuild(File includedBuild) {
        includedBuilds.add(includedBuild);
    }

    public void setIncludedBuilds(List<File> includedBuilds) {
        this.includedBuilds = includedBuilds;
    }

    public List<File> getIncludedBuilds() {
        return Collections.unmodifiableList(includedBuilds);
    }

    /**

        Collection<? extends IncludedBuildState> includedBuilds = getBuildStateRegistry().getIncludedBuilds();
        List<Path> includedBuildIdentityPaths = new ArrayList<>(includedBuilds.size());
        for (IncludedBuildState includedBuild : includedBuilds) {
            includedBuildIdentityPaths.add(includedBuild.getIdentityPath());
        }
        return includedBuildIdentityPaths;
    }