jdk("15-ea", "+2", "15"),
            jdk("9", "+2", "15"),
            jdk("1.8.0_202", "-b01", "1.8.0_202"),
            jdk("1.8.0_404", "-b01", "1.8.0_404")
        )
        toolchainConfiguration.isAutoDetectEnabled() >> true
        toolchainConfiguration.isDownloadEnabled() >> true

        when:
        task.showToolchains()

        then:
        outputProbe.value == """
{identifier} + Options{normal}

        this.buildOperationRunner = buildOperationRunner;
        this.metadataDetector = metadataDetector;
        List<InstallationSupplier> allSuppliers = new ArrayList<>(suppliers);
        if (toolchainConfiguration.isAutoDetectEnabled()) {
            allSuppliers.addAll(optionalSuppliers);
        }
        this.installations = new Installations(() -> maybeCollectInBuildOperation(allSuppliers));
        this.os = os;