response.getServerData().encryptionKeyLength = 8;
        // Domain name in OEM encoding (ASCII) with null terminator
        byte[] domainBytes = "DOMAIN\0".getBytes("US-ASCII");
        // Use reflection to set protected byteCount field
        int byteCountValue = 8 + domainBytes.length;
        setByteCount(response, byteCountValue);
        byte[] buffer = new byte[byteCountValue];
        int bufferIndex = 0;

        for (int i = 0; i < dataLength; i++) {
            testData[i] = (byte) (i & 0xFF);
        }
        System.arraycopy(testData, 0, buffer, dataOffsetFromHeader, dataLength);

        // Use reflection to set headerStart
        Field headerStartField = ServerMessageBlock2.class.getDeclaredField("headerStart");
        headerStartField.setAccessible(true);
        headerStartField.set(response, headerStart);

- **I/O Operations** (`org.codelibs.core.io`) - File handling, resource management, stream utilities, and traversal utilities for efficient resource processing
- **Reflection** (`org.codelibs.core.lang`) - Class loading, method/field access, type introspection utilities, and generics support

        testSids = new jcifs.SID[] { mockSid1, mockSid2 };

        // Act
        lookupSids = new MsrpcLookupSids(mockPolicyHandle, testSids);

        // Assert using reflection to verify superclass fields
        Field handleField = lsarpc.LsarLookupSids.class.getDeclaredField("handle");
        handleField.setAccessible(true);
        assertSame(mockPolicyHandle, handleField.get(lookupSids));

    @DisplayName("Test getResults returns decoded file entries")
    void testGetResultsReturnsDecodedEntries() throws Exception {
        response = new Smb2QueryDirectoryResponse(mockConfig, (byte) 0x03);

        // Use reflection to set the results field
        Field resultsField = Smb2QueryDirectoryResponse.class.getDeclaredField("results");
        resultsField.setAccessible(true);

        long serverTimeZoneOffset = 3600000L; // 1 hour
        response = new SmbComQueryInformationResponse(mockConfig, serverTimeZoneOffset);

        // Set a test time using reflection
        long testTime = System.currentTimeMillis();
        setFieldValue(response, "lastWriteTime", testTime);

        // All time methods should return the same converted time

        assertTrue("Index creation should be acknowledged", response.isAcknowledged());

        final Suggester suggester = Suggester.builder().build(client, "test");

        // Use reflection to access private method
        final Method method = Suggester.class.getDeclaredMethod("getIndicesForAlias", String.class);
        method.setAccessible(true);

      // Don't use cls.getPackage() because it does nasty things like reading
      // a file.
      String visiblePackage = Reflection.getPackageName(cls);
      ImmutableList.Builder<Method> builder = ImmutableList.builder();
      for (Class<?> type : TypeToken.of(cls).getTypes().rawTypes()) {
        if (!Reflection.getPackageName(type).equals(visiblePackage)) {
          break;
        }

    }

    @Test
    @DisplayName("Test getInfo returns decoded information")
    void testGetInfo() throws Exception {
        response = new Smb2QueryInfoResponse(mockConfig, (byte) 1, (byte) 2);

        // Use reflection to set the info field
        var infoField = Smb2QueryInfoResponse.class.getDeclaredField("info");
        infoField.setAccessible(true);
        infoField.set(response, mockDecodable);

      throw propagate(e.getCause());
    }
  }

  /** JavaLangAccess class name to load using reflection */
  @J2ktIncompatible @GwtIncompatible // not used by GWT emulation
  private static final String JAVA_LANG_ACCESS_CLASSNAME = "sun.misc.JavaLangAccess";

  /** SharedSecrets class name to load using reflection */
  @J2ktIncompatible
  @GwtIncompatible // not used by GWT emulation
  @VisibleForTesting