protected List<WorkspaceReader> readers;
    protected WorkspaceRepository repository;

    /**
     * Creates a new workspace reader by chaining the specified readers.
     *
     * @param readers The readers to chain must not be {@code null}.
     */
    public MavenChainedWorkspaceReader(WorkspaceReader... readers) {
        setReaders(Arrays.asList(readers));
    }

    @Override

     * should be set up as very last thing before using resolver session, that is built by invoking
     * {@link SessionBuilder#build()} method.
     *
     * @param request The maven execution request, must not be {@code null}.
     * @return The session builder "ready to use" without workspace readers.
     */

        Set<WorkspaceReader> workspaceReaders = new LinkedHashSet<>();
        // 1) Reactor workspace reader
        WorkspaceReader reactorReader = lookup.lookup(WorkspaceReader.class, ReactorReader.HINT);
        workspaceReaders.add(reactorReader);
        // 2) Repository system session-scoped workspace reader (contains ide and exec request reader)

    public Settings read(@Nonnull XmlReaderRequest request) throws XmlReaderException {
        nonNull(request, "request");
        Reader reader = request.getReader();
        InputStream inputStream = request.getInputStream();
        if (reader == null && inputStream == null) {
            throw new IllegalArgumentException("reader or inputStream must be non null");
        }
        try {
            InputSource source = null;

        try (InputStream is = Files.newInputStream(settingsFile.toPath())) {
            SettingsStaxReader reader = new SettingsStaxReader();
            InputSource source = new InputSource(settingsFile.toString());
            return new Settings(reader.read(is, true, source));
        }
    }

    }

    public void addMessage(String message) {
        messages.add(message);
    }

    public String toString() {
        return render("");
    }

    public String render(String indentation) {
        if (messages.size() == 0) {
            return indentation + "There were no validation errors.";
        }

        StringBuilder message = new StringBuilder();

                    legacySupport.getRepositorySession(), null, ConfigurationProperties.USER_AGENT);

            if (userAgent == null) {
                Properties headers = new Properties();

                headers.put(
                        "User-Agent",
                        ConfigUtils.getString(

import org.eclipse.aether.resolution.VersionResult;
import org.eclipse.aether.transfer.ArtifactNotFoundException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * Default artifact descriptor reader.
 */
@Named
@Singleton
public class DefaultArtifactDescriptorReader implements ArtifactDescriptorReader {
    private final RemoteRepositoryManager remoteRepositoryManager;

        Map<String, String> headers = (Map<String, String>) systemSessionFactory
                .newRepositorySession(request)
                .getConfigProperties()
                .get(ConfigurationProperties.HTTP_HEADERS + "." + server.getId());
        assertNotNull(headers);
        assertEquals(1, headers.size());
        assertEquals("value", headers.get("header"));
    }

    @Test

    }

    @Nonnull
    default T read(@Nonnull Reader reader) throws XmlReaderException {
        return read(reader, true);
    }

    @Nonnull
    default T read(@Nonnull Reader reader, boolean strict) throws XmlReaderException {
        return read(XmlReaderRequest.builder().reader(reader).strict(strict).build());
    }

    @Nonnull