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}

    void setJavaInstallationsFromEnvironment(Collection<String> installations);

    Collection<String> getInstallationsFromPaths();
    void setInstallationsFromPaths(Collection<String> installations);

    boolean isAutoDetectEnabled();
    void setAutoDetectEnabled(boolean enabled);

    boolean isDownloadEnabled();
    void setDownloadEnabled(boolean enabled);

    File getAsdfDataDirectory();

    File getIntelliJdkDirectory();

    }

    @Override
    public String getSourceName() {
        return "Auto-provisioned by Gradle";
    }

    @Override
    public Set<InstallationLocation> get() {
        if (configuration.isAutoDetectEnabled() || configuration.isDownloadEnabled()) {
            return cacheDirProvider.listJavaHomes().stream()
                .map(this::asInstallation)
                .collect(Collectors.toSet());
        } else {

    @Override
    public void setInstallationsFromPaths(Collection<String> installationsFromPaths) {
        this.installationsFromPaths = installationsFromPaths;
    }

    @Override
    public boolean isAutoDetectEnabled() {
        return autoDetectEnabled;
    }

    @Override
    public void setAutoDetectEnabled(boolean autoDetectEnabled) {
        this.autoDetectEnabled = autoDetectEnabled;
    }

    @Override

        toolchainRenderer.printInvalidToolchains(invalidToolchains);
    }

    private void printOptions(StyledTextOutput output) {
        boolean detectionEnabled = getToolchainConfiguration().isAutoDetectEnabled();
        boolean downloadEnabled = getToolchainConfiguration().isDownloadEnabled();
        output.withStyle(Identifier).println(" + Options");

    }

    @Override
    public void setInstallationsFromPaths(Collection<String> installations) {
        throw new UnsupportedOperationException();
    }

    @Override
    public boolean isAutoDetectEnabled() {
        return providerFactory.gradleProperty(ToolchainConfiguration.AUTO_DETECT).map(Boolean::parseBoolean).getOrElse(Boolean.TRUE);
    }

    @Override
    public void setAutoDetectEnabled(boolean enabled) {

        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;