buffer.put((byte) 0x0F); // securityMode (user, encrypted, sigs enabled, sigs required)
        buffer.putShort((short) 50); // maxMpxCount
        buffer.putShort((short) 10); // maxNumberVcs
        buffer.putInt(8192); // maxBufferSize
        buffer.putInt(65536); // maxRawSize
        buffer.putInt(123456789); // sessionKey
        buffer.putInt(SmbConstants.CAP_UNICODE | SmbConstants.CAP_NT_SMBS); // capabilities

        testFileId = new byte[16];
        Arrays.fill(testFileId, (byte) 0xAB);

        // Use lenient stubbing for default configuration values
        lenient().when(mockConfig.getNotifyBufferSize()).thenReturn(8192);
        lenient().when(mockContext.getConfig()).thenReturn(mockConfig);

        request = new Smb2ChangeNotifyRequest(mockConfig, testFileId);
    }

    @Test

        // Test default values
        assertFalse(config.isUseRDMA(), "RDMA should be disabled by default");
        assertEquals("auto", config.getRdmaProvider(), "Default provider should be auto");
        assertEquals(8192, config.getRdmaReadWriteThreshold(), "Default threshold should be 8KB");
        assertEquals(65536, config.getRdmaMaxSendSize(), "Default max send size should be 64KB");

            int bytesDecoded = localResponse.decode(buffer, offset, responseData.length);

            assertEquals(12, bytesDecoded);
            assertEquals(7, localResponse.getChunksWritten());
            assertEquals(8192, localResponse.getChunkBytesWritten());
            assertEquals(57344, localResponse.getTotalBytesWritten());
        }

        @Test
        @DisplayName("Should decode minimum buffer size")

    void testBufferConfigurationDelegation() {
        // Given
        when(mockDelegate.getSendBufferSize()).thenReturn(8192);
        when(mockDelegate.getReceiveBufferSize()).thenReturn(8192);
        when(mockDelegate.getMaximumBufferSize()).thenReturn(65536);
        when(mockDelegate.getTransactionBufferSize()).thenReturn(65024);

        assertTrue(transaction.maxParameterCount > 0);
    }

    @Test
    @DisplayName("Test setMaxBufferSize")
    void testSetMaxBufferSize() {
        transaction.setMaxBufferSize(8192);
        assertEquals(8192, transaction.maxBufferSize);
    }

    @Test
    @DisplayName("Test setMaxDataCount")
    void testSetMaxDataCount() {
        transaction.setMaxDataCount(4096);

        writeInt8(1500, buffer, 8); // caller available allocation units
        writeInt8(1500, buffer, 16); // actual free units (skipped)
        writeInt4(4, buffer, 24); // sectors per allocation unit
        writeInt4(8192, buffer, 28); // bytes per sector

        int bytesRead = response.readDataWireFormat(buffer, 0, buffer.length);

        assertEquals(32, bytesRead, "Should read 32 bytes");

    void getSendBufferSize_returns() throws Exception {
        // Arrange
        when(handle.getSendBufferSize()).thenReturn(8192);

        // Act
        int size = handle.getSendBufferSize();

        // Assert
        assertEquals(8192, size);
        verify(handle).getSendBufferSize();
    }

    @Test
    @DisplayName("getSendBufferSize(): propagates CIFSException on failure")

    public static final int DEFAULT_RECEIVE_CREDIT_MAX = 255;
    public static final int DEFAULT_SEND_CREDIT_TARGET = 32;
    public static final int DEFAULT_MAX_RECEIVE_SIZE = 8192;
    public static final int DEFAULT_MAX_FRAGMENTED_SIZE = 131072;    // 128KB
    public static final int DEFAULT_MAX_READ_WRITE_SIZE = 1048576;   // 1MB
}
```

### 3.2 RDMA Provider Interface
```java

     */
    public static final int DEFAULT_SEND_CREDIT_TARGET = 32;

    /**
     * Default maximum receive size (8KB)
     */
    public static final int DEFAULT_MAX_RECEIVE_SIZE = 8192;

    /**
     * Default maximum fragmented size (128KB)
     */
    public static final int DEFAULT_MAX_FRAGMENTED_SIZE = 131072; // 128KB

    /**
     * Default maximum read/write size (1MB)
     */