}

    public DefaultArtifactHandler(final String type) {
        this(type, null, null, null, null, false, null, false);
    }

    @SuppressWarnings("checkstyle:ParameterNumber")
    public DefaultArtifactHandler(
            final String type,
            final String extension,
            final String classifier,
            final String directory,
            final String packaging,

    protected static final String EAR_PLUGIN_VERSION = "3.3.0";

    protected static final String EJB_PLUGIN_VERSION = "3.2.1";

    protected static final String PLUGIN_PLUGIN_VERSION = "3.12.0";

    protected static final String RAR_PLUGIN_VERSION = "3.0.0";

    protected static final String WAR_PLUGIN_VERSION = "3.4.0";
    // END SNIPPET: versions

     */
    public static final String OS_FAMILY;

    /**
     * Boolean indicating if the running OS is a Windows system.
     */
    public static final boolean IS_WINDOWS;

    /**
     * OS family that can be tested for. {@value}
     */
    private static final String FAMILY_WINDOWS = "windows";

    /**
     * OS family that can be tested for. {@value}
     */
    private static final String FAMILY_WIN9X = "win9x";

public static final int START_TAG = 2; public static final int END_TAG = 3; public static final int TEXT = 4; public static final int CDSECT = 5; public static final int ENTITY_REF = 6; public static final int IGNORABLE_WHITESPACE = 7; public static final int PROCESSING_INSTRUCTION = 8; public static final int COMMENT = 9; public static final int DOCDECL = 10; public static final String[] TYPES; public static final String FEATURE_PROCESS_NAMESPACES = http://xmlpull.org/v1/doc/features.html#process-namespaces;...

    private final AtomicBoolean closed = new AtomicBoolean(false);

    public RepositorySystemSupplier() {}

    private void checkClosed() {
        if (closed.get()) {
            throw new IllegalStateException("Supplier is closed");
        }
    }

    private PathProcessor pathProcessor;

    public final PathProcessor getPathProcessor() {
        checkClosed();

    private final AtomicBoolean closed = new AtomicBoolean(false);

    public MavenRepositorySystemSupplier() {}

    private void checkClosed() {
        if (closed.get()) {
            throw new IllegalStateException("Supplier is closed");
        }
    }

    private PathProcessor pathProcessor;

    public final PathProcessor getPathProcessor() {
        checkClosed();

     */
    public static final int TRANSFER_INITIATED = 0;

    /**
     * A transfer was started.
     */
    public static final int TRANSFER_STARTED = 1;

    /**
     * A transfer is completed.
     */
    public static final int TRANSFER_COMPLETED = 2;

    /**
     * A transfer is in progress.
     */
    public static final int TRANSFER_PROGRESS = 3;

    /**

 *
 * @since 4.0.0
 */
public final class SimplexTransferListener extends AbstractTransferListener {
    private static final Logger LOGGER = LoggerFactory.getLogger(SimplexTransferListener.class);
    private static final int QUEUE_SIZE = 1024;
    private static final int BATCH_MAX_SIZE = 500;
    private final TransferListener delegate;
    private final int batchMaxSize;
    private final boolean blockOnLastEvent;

    private static class Key {

        private final String groupId;

        private final String artifactId;

        private final String classifier;

        private final String extension;

        private final String version;

        private final String context;

        private final Path localRepo;

        private final WorkspaceRepository workspace;

    private static final Provider<Object> SEEDED_KEY_PROVIDER = () -> {
        throw new IllegalStateException();
    };

    private static final class ScopeState {
        private final Map<Key<?>, Provider<?>> seeded = new HashMap<>();

        private final Map<Key<?>, Object> provided = new HashMap<>();
    }

    private final ThreadLocal<LinkedList<ScopeState>> values = new ThreadLocal<>();