switch (type) {
        case EncryptionNegotiateContext.NEGO_CTX_ENC_TYPE:
            return new EncryptionNegotiateContext();
        case PreauthIntegrityNegotiateContext.NEGO_CTX_PREAUTH_TYPE:
            return new PreauthIntegrityNegotiateContext();
        case CompressionNegotiateContext.NEGO_CTX_COMPRESSION_TYPE:
            return new CompressionNegotiateContext();
        }
        return null;
    }

    /**

          }
        };
    static final PermittedMetaException UOE =
        new PermittedMetaException("UnsupportedOperationException") {
          @Override
          boolean isPermitted(Exception exception) {
            return exception instanceof UnsupportedOperationException;
          }
        };
    static final PermittedMetaException ISE =
        new PermittedMetaException("IllegalStateException") {
          @Override

        TransportException noCauseException = new TransportException("No cause");
        assertNull(noCauseException.getRootCause());
        assertEquals(noCauseException.getCause(), noCauseException.getRootCause());

        // Test with cause
        IOException rootCause = new IOException("IO error");
        TransportException withCauseException = new TransportException("With cause", rootCause);

        return java.util.stream.Stream.of(Arguments.of(0x00000000, new byte[] { 0x00, 0x00, 0x00, 0x00 }),
                Arguments.of(0x12345678, new byte[] { 0x78, 0x56, 0x34, 0x12 }),
                Arguments.of(0xFFFFFFFF, new byte[] { (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF }),
                Arguments.of(0x7FFFFFFF, new byte[] { (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0x7F }));
    }

        if (token.length <= 0) {
            throw new PACDecodingException("Empty kerberos ApReq");
        }

        ASN1Sequence sequence;
        try {
            try (ASN1InputStream stream = new ASN1InputStream(new ByteArrayInputStream(token))) {
                sequence = ASN1Util.as(ASN1Sequence.class, stream);
            }
        } catch (IOException e) {
            throw new PACDecodingException("Malformed Kerberos Ticket", e);

 */
class ScmTest {

    @Test
    void testHashCodeNullSafe() {
        new Scm().hashCode();
    }

    @Test
    void testEqualsNullSafe() {
        assertFalse(new Scm().equals(null));

        new Scm().equals(new Scm());
    }

    @Test
    void testEqualsIdentity() {
        Scm thing = new Scm();
        assertTrue(thing.equals(thing), "Expected " + thing + " to equal " + thing);
    }

        Map<Integer, KerberosKey> keys = new HashMap<>();
        KerberosKey hmacKey = new KerberosKey(TEST_PRINCIPAL, new byte[16], PacSignature.ETYPE_ARCFOUR_HMAC, 0);
        KerberosKey aes128Key = new KerberosKey(TEST_PRINCIPAL, new byte[16], PacSignature.ETYPE_AES128_CTS_HMAC_SHA1_96, 0);
        KerberosKey aes256Key = new KerberosKey(TEST_PRINCIPAL, new byte[32], PacSignature.ETYPE_AES256_CTS_HMAC_SHA1_96, 0);

                fields.add(new DERTaggedObject(true, 3, new DEROctetString(mechanismListMIC)));
            }
            der.writeObject(new DERTaggedObject(true, 1, new DERSequence(fields)));
            return collector.toByteArray();
        } catch (final IOException ex) {
            throw new IllegalStateException(ex.getMessage());
        }
    }

    @Override

        NetworkInterfaceInfo localInterface = new NetworkInterfaceInfo(addr, 1000);
        NetworkInterfaceInfo remoteInterface = new NetworkInterfaceInfo(addr, 1000);
        ChannelInfo channel = new ChannelInfo("test-channel", mockTransport, localInterface, remoteInterface);

        IOException error = new IOException("Test error");

        // Should not throw exception

    @BeforeEach
    void setUpStreams() {
        originalOut = System.out;
        originalErr = System.err;
        outContent = new ByteArrayOutputStream();
        errContent = new ByteArrayOutputStream();
        System.setOut(new PrintStream(outContent));
        System.setErr(new PrintStream(errContent));
    }

    @AfterEach
    void restoreStreams() {
        System.setOut(originalOut);