* sets up monitoring, and executes the crawling process.
     *
     * @param args command-line arguments as defined in the Options class
     */
    public static void main(final String[] args) {
        final Options options = new Options();

        final CmdLineParser parser = new CmdLineParser(options);
        try {
            parser.parseArgument(args);
        } catch (final CmdLineException e) {

        final Options options = new Options();

        final CmdLineParser parser = new CmdLineParser(options);
        try {
            parser.parseArgument(args);
        } catch (final CmdLineException e) {
            System.err.println(e.getMessage());
            System.err.println("java " + ThumbnailGenerator.class.getCanonicalName() + " [options...] arguments...");

    @Nonnull
    Optional<CIInfo> ciInfo();

    /**
     * Returns the options associated with this invocation request.
     *
     * @return the options optional. It will be absent if {@link #parsingFailed()} return {@code true}.
     */
    @Nonnull
    Optional<Options> options();

    /**
     * This method returns "verbose" option value derived from multiple places: CLI options, but also CI detection,

        Assertions.assertTrue(invokerRequest.options().isPresent());
        Options options = invokerRequest.options().orElseThrow();
        Assertions.assertFalse(options.showVersion().orElse(false));
        Assertions.assertFalse(options.showVersionAndExit().orElse(false));
        Assertions.assertTrue(options.showErrors().orElse(false));
        Assertions.assertTrue(options.verbose().orElse(false));

        // user home

    }

    @Override
    public Optional<Path> rootDirectory() {
        return Optional.ofNullable(rootDirectory);
    }

    @Override
    public Optional<List<CoreExtensions>> coreExtensions() {
        return Optional.ofNullable(coreExtensions);
    }

    @Override
    public Optional<CIInfo> ciInfo() {
        return Optional.ofNullable(ciInfo);
    }

        // only if not failed so far; otherwise we may have no options to validate
        if (!context.parsingFailed) {
            validate(context);
        }

        return getInvokerRequest(context);
    }

    protected void validate(LocalContext context) {
        Options options = context.options;

        options.failOnSeverity().ifPresent(severity -> {

import java.util.List;
import java.util.Optional;

import org.apache.maven.api.annotations.Experimental;
import org.apache.maven.api.annotations.Nonnull;
import org.apache.maven.api.cli.Options;

/**
 * Defines the options specific to the Maven upgrade tool.
 * This interface extends the general {@link Options} interface, adding upgrade-specific configuration options.
 *
 * @since 4.0.0
 */
@Experimental

        this.options = new ArrayList<>(options);
    }

    @Override
    public Optional<Map<String, String>> userProperties() {
        return collectMapIfPresentOrEmpty(Options::userProperties);
    }

    @Override
    public String source() {
        return String.format(
                "layered(%s)", options.stream().map(Options::source).toList());
    }

    @Override

        void shouldBeApplicableWhenAllOptionSpecified() {
            UpgradeOptions options = mock(UpgradeOptions.class);
            when(options.all()).thenReturn(Optional.of(true));
            when(options.plugins()).thenReturn(Optional.empty());

            UpgradeContext context = createMockContext(options);

            assertTrue(strategy.isApplicable(context), "Strategy should be applicable when --all is specified");

        assertArgumentNotNull("options", options);

        final T dest = ClassUtil.newInstance(destClass);
        copyMapToMap(src, dest, options);
        return dest;
    }

    /**
     * Builds {@link CopyOptions} from a {@link Consumer}.
     *
     * @param option
     *            the option
     * @return the copy options
     */