}
            abstract class Consumer extends DefaultTask {
                @${ServiceReference.name}('wrapper')
                abstract Property<WrapperService> getWrapper()
                @TaskAction
                def go() {
                    wrapper.get().incrementIndirectly()
                }
            }

            gradle.sharedServices.registerIfAbsent("counter", CountingService) {

        buildFile << """
            class BrokenTask extends DefaultTask {
                @Internal
                final broken = project

                @TaskAction
                def go() {
                    try {
                        println("project = " + project)
                    } catch(Exception e) {

    @get:InputFiles
    abstract val inputSummaries: ConfigurableFileCollection

    @get:OutputFile
    abstract val outputFile: RegularFileProperty

    @TaskAction
    fun summarize() {
        outputFile.get().asFile.run {
            parentFile.mkdirs()
            writeText(summaryString())
        }
    }

    private