* and other request-specific information needed for API processing.
     */
    @Resource
    protected HttpServletRequest request;

    /**
     * Returns an empty OptionalThing for login manager since API actions
     * use token-based authentication instead of traditional session-based login.
     *
     * @return empty OptionalThing indicating no login manager is used
     */
    @Override

 * {@link org.apache.maven.api.model.Dependency#getScope()} and will be used when using {@link PathScope}
 * and the {@link org.apache.maven.api.services.DependencyResolver}.
 *
 * @since 4.0.0
 * @see org.apache.maven.api.model.Dependency#getScope()
 * @see org.apache.maven.api.services.DependencyResolver
 */
@Experimental
@Immutable
public enum DependencyScope {

    /**

import org.apache.maven.api.annotations.Nullable;
import org.apache.maven.api.annotations.Provider;

/**
 * Represents a dependency node within a Maven project's dependency collector.
 *
 * @since 4.0.0
 * @see org.apache.maven.api.services.DependencyResolverResult#getRoot()
 */
@Experimental
@Immutable
@Provider
public interface Node {

    /**
     * @return artifact for this node
     */

 * @param <S> the type of ProtoSession associated with this request, allowing for
 *           type-safe session handling in specific request implementations
 *
 * @see ProtoSession
 * @see RequestTrace
 * @see Result
 * @since 4.0.0
 */
@Experimental
@Immutable
public interface Request<S extends ProtoSession> {

    /**
     * Returns the session associated with this request.
     *

    void testTimeOperations() {
        // Given
        Date currentDate = new Date();
        byte[] buffer = new byte[8];

        // When - Use direct encoding methods since time constants are private
        Encdec.enc_uint64le(currentDate.getTime(), buffer, 0);
        long decoded = Encdec.dec_uint64le(buffer, 0);

        // Then

        else if (recommendedVersion != null) {
            // Use the original recommended version since it exists
            version = recommendedVersion;
        } else if (restriction.recommendedVersion != null) {
            // Use the recommended version from the specified VersionRange since there is no
            // original recommended version
            version = restriction.recommendedVersion;
        }

 * Results can be cached at different policies (forever, session, request, or not at all)
 * based on the {@link CacheRetention} associated with the request.
 *
 * @since 4.0.0
 * @see CacheMetadata
 * @see RequestCacheFactory
 */
@Experimental
public interface RequestCache {

    /**

 * <li>netware: Novell NetWare</li>
 * <li>dos: DOS variants</li>
 * <li>tandem: Tandem systems</li>
 * <li>openvms: OpenVMS</li>
 * <li>z/os: z/OS and OS/390</li>
 * <li>os/400: OS/400</li>
 * </ul>
 *
 * @since 4.0.0
 */
@Experimental
public interface OsService extends Service {
    /**
     * Returns the OS full name as reported by the system property "os.name".
     * The value is converted to lowercase for consistency.

        // For Unicode: 1 byte (initial null in writeBytesWireFormat)
        // + potential 1 byte alignment (in writeString) + fileName.length() * 2 + 2 bytes (terminating nulls)
        // Since headerStart is 0 and dstIndex starts at 1 (after initial null), (1-0)%2=1, so alignment byte added
        // Total: 1 + 1 + 12*2 + 2 = 28 bytes
        byte[] dst = new byte[30]; // Use extra buffer space to avoid index errors

  }

  public static <K, V> ImmutableMap<K, V> copyOf(Map<? extends K, ? extends V> map) {
    if ((map instanceof ImmutableMap) && !(map instanceof ImmutableSortedMap)) {
      @SuppressWarnings("unchecked") // safe since map is not writable
      ImmutableMap<K, V> kvMap = (ImmutableMap<K, V>) map;
      return kvMap;
    } else if (map instanceof EnumMap) {
      EnumMap<?, ?> enumMap = (EnumMap<?, ?>) map;