@Override
    public ArtifactType get(String typeId) {
        Type type = typeRegistry.require(typeId);
        if (type instanceof ArtifactType) {
            return (ArtifactType) type;
        }
        if (type != null) {
            return new DefaultType(
                    type.id(),
                    type.getLanguage(),
                    type.getExtension(),
                    type.getClassifier(),

                Type1Message type1 = new Type1Message(src);
                Type2Message type2 = new Type2Message(tc, type1, challenge, null);
                msg = new String(Base64.encode(type2.toByteArray()), "US-ASCII");
                resp.setHeader("WWW-Authenticate", "NTLM " + msg);
            }
            else if ( src[ 8 ] == 3 ) {
                Type3Message type3 = new Type3Message(src);

            offset += ntLength;
            writeSecurityBuffer(type3, 28, offset, domain);
            offset += domainLength;
            writeSecurityBuffer(type3, 36, offset, user);
            offset += userLength;
            writeSecurityBuffer(type3, 44, offset, workstation);
            offset += workstationLength;
            writeSecurityBuffer(type3, 52, offset, sessionKey);

     * 
     * @param tc
     *            context to use
     * @param type1
     *            The Type-1 message which this represents a response to.
     */
    public Type2Message ( CIFSContext tc, Type1Message type1 ) {
        this(tc, type1, null, null);
    }


    /**
     * Creates a Type-2 message in response to the given Type-1 message.
     * 
     * @param tc
     *            context to use

                Type1Message type1 = new Type1Message(src);
                Type2Message type2 = new Type2Message(type1, challenge, null);
                msg = Base64.encode(type2.toByteArray());
                resp.setHeader( "WWW-Authenticate", "NTLM " + msg );
            } else if (src[8] == 3) {
                Type3Message type3 = new Type3Message(src);
                byte[] lmResponse = type3.getLMResponse();

                    return;
                }
                NtlmMessage type3 = attemptNegotiation(response);
                if ( type3 == null )
                    return;
                this.connection.setRequestProperty(this.authProperty, this.authMethod + ' ' + Base64.toBase64String(type3.toByteArray()));
                this.connection.connect(); // send type 3
                if ( this.cachedOutput != null && this.doOutput ) {

        this(type1, null, null);
    }

    /**
     * Creates a Type-2 message in response to the given Type-1 message.
     *
     * @param type1 The Type-1 message which this represents a response to.
     * @param challenge The challenge from the domain controller/server.
     * @param target The authentication target.
     */

  }

  private static class TypeA {}

  private interface TypeB {}

  private static class HasBoth extends TypeA implements TypeB {}

  @GwtIncompatible // Iterables.filter(Iterable, Class)
  public void testFilterByType_iterator() throws Exception {
    HasBoth hasBoth = new HasBoth();
    Iterable<TypeA> alist = Lists.newArrayList(new TypeA(), new TypeA(), hasBoth, new TypeA());

            }
            Type1Message type1 = (Type1Message) attemptNegotiation(response);
            if (type1 == null) return; // no NTLM
            int attempt = 0;
            while (attempt < MAX_REDIRECTS) {
                connection.setRequestProperty(authProperty, authMethod + ' ' +
                        Base64.encode(type1.toByteArray()));
                connection.connect(); // send type 1

import java.lang.annotation.Target;

import static java.lang.annotation.ElementType.*;
import static java.lang.annotation.RetentionPolicy.RUNTIME;

@Target({FIELD, METHOD, TYPE})
@Retention(RUNTIME)
@Documented
public @interface Typed {
    Class<?>[] value() default {};