// Collapse equal elements, which Ordering.explicit() doesn't support, while
    // maintaining the ordering by first occurrence.
    Set<String> elementsPlus = new LinkedHashSet<>();
    elementsPlus.add(BEFORE_FIRST);
    elementsPlus.add(BEFORE_FIRST_2);
    elementsPlus.addAll(asList(elements));
    elementsPlus.add(AFTER_LAST);
    elementsPlus.add(AFTER_LAST_2);
    return Ordering.explicit(new ArrayList<>(elementsPlus));
  }

        verify(tree).send((Request<CommonServerMessageBlockResponse>) isNull());
    }

    @Test
    @DisplayName("send with explicit null varargs propagates exception from implementation")
    void send_nullVarargsArray_throws() throws Exception {
        // Arrange: passing explicit null vararg array is edge scenario
        when(tree.send(eq(request), isNull())).thenThrow(new CIFSException("null params"));

            Kerb5Authenticator auth = new Kerb5Authenticator(subject);
            assertEquals("EXAMPLE.COM", auth.getUserDomain());
        }

        @Test
        @DisplayName("getUserDomain: explicit realm overrides")
        void getUserDomain_fromExplicitRealm() {
            Kerb5Authenticator auth = new Kerb5Authenticator(new Subject());
            auth.setRealm("REALM.TEST");

## Reporting a Vulnerability

If you think you found a vulnerability, and even if you are not sure about it, please report it right away by sending an email to: ******@****.***. Please try to be as explicit as possible, describing all the steps and example code to reproduce the security issue.

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## Public Discussions

    }

    @Test
    @DisplayName("parseURL: explicit port is preserved")
    void testParseURL_ExplicitPortPreserved() throws MalformedURLException {
        // Arrange & Act
        Handler handler = newHandler();
        URL url = new URL(null, "smb://server:1234/share", handler);

        // Assert
        assertEquals(1234, url.getPort(), "Explicit port should be preserved");

    // Collapse equal elements, which Ordering.explicit() doesn't support, while
    // maintaining the ordering by first occurrence.
    Set<String> elementsPlus = new LinkedHashSet<>();
    elementsPlus.add(BEFORE_FIRST);
    elementsPlus.add(BEFORE_FIRST_2);
    elementsPlus.addAll(asList(elements));
    elementsPlus.add(AFTER_LAST);
    elementsPlus.add(AFTER_LAST_2);
    return Ordering.explicit(new ArrayList<>(elementsPlus));
  }

    }

    @Test
    @DisplayName("Interface cannot be instantiated")
    @SuppressWarnings("deprecation") // Using Class#newInstance for explicit InstantiationException
    void cannotInstantiateInterface() {
        assertThrows(InstantiationException.class, () -> SpnegoConstants.class.newInstance(), "Interfaces cannot be instantiated");
    }

        assertEquals(negativeFlags, negAvFlags.getFlags(), "Flags should match the negative input integer");
    }

    /**
     * Test getFlags method.
     * This is implicitly tested by the constructors, but an explicit test ensures its direct functionality.
     */
    @Test
    void testGetFlags() {
        int expectedFlags = 0xAABBCCDD;
        AvFlags avFlags = new AvFlags(expectedFlags);

      @SuppressWarnings("unchecked")
      K castKey = (K) key;

      if (!isExpired(stamped)) {
        alertListenerIfPresent(castKey, value, RemovalCause.EXPLICIT);
        return value;
      }

      alertListenerIfPresent(castKey, value, RemovalCause.EXPIRED);
    }
    return null;
  }

  @Override

     */
    int NTLMSSP_NEGOTIATE_VERSION = 0x2000000;

    /**
     * Indicates that 128-bit encryption is supported.
     */
    int NTLMSSP_NEGOTIATE_128 = 0x20000000;

    /**
     * Request explicit key exchange
     */
    int NTLMSSP_NEGOTIATE_KEY_EXCH = 0x40000000;

    /**
     * Indicates that 56-bit encryption is supported.
     */
    int NTLMSSP_NEGOTIATE_56 = 0x80000000;