import java.io.File;

public interface JavaToolchainProvisioningService {

    File tryInstall(JavaToolchainSpec spec) throws ToolchainDownloadFailedException;

    boolean isAutoDownloadEnabled();

    boolean hasConfiguredToolchainRepositories();

        given:
        def registry = createInstallationRegistry([])
        def installed = false
        def provisionService = new JavaToolchainProvisioningService() {
            @Override
            boolean isAutoDownloadEnabled() {
                return true
            }

            @Override
            boolean hasConfiguredToolchainRepositories() {
                return true
            }

    }

    @Override
    public boolean isAutoDownloadEnabled() {
        return downloadEnabled.getOrElse(true);
    }

    @Override
    public boolean hasConfiguredToolchainRepositories() {
        return !toolchainResolverRegistry.requestedRepositories().isEmpty();
    }

    @Override
    public File tryInstall(JavaToolchainSpec spec) {
        if (!isAutoDownloadEnabled()) {

        boolean autoDetectedToolchain = javaHome.isAutoProvisioned();
        if (autoDetectedToolchain && installService.isAutoDownloadEnabled() && !installService.hasConfiguredToolchainRepositories()) {
            DeprecationLogger.warnOfChangedBehaviour(