buf[idx++] = 5; // totalParameterCount low byte
        buf[idx++] = 0; // totalParameterCount high byte -> value 5
        buf[idx++] = 3; // totalDataCount low
        buf[idx++] = 0; // totalDataCount high
        idx += 2; // 2-byte reserved field (not 4 as the code shows)
        buf[6] = 2; // parameterCount low
        buf[7] = 0; // high
        buf[8] = 4; // parameterOffset low
        buf[9] = 0; // high

   *         <li><b>If the next character was a valid low surrogate, the code point value of the
   *             high/low surrogate pair is returned.</b>
   *         <li>If the next character was not a low surrogate value, then {@link
   *             IllegalArgumentException} is thrown.
   *       </ol>
   *   <li>If the first character was a low surrogate value, {@link IllegalArgumentException} is
   *       thrown.

   *         <li><b>If the next character was a valid low surrogate, the code point value of the
   *             high/low surrogate pair is returned.</b>
   *         <li>If the next character was not a low surrogate value, then {@link
   *             IllegalArgumentException} is thrown.
   *       </ol>
   *   <li>If the first character was a low surrogate value, {@link IllegalArgumentException} is
   *       thrown.

        }

        for (int i = 1; i < versions.length; i++) {
            Comparable low = c[i - 1];
            for (int j = i; j < versions.length; j++) {
                Comparable high = c[j];
                assertTrue(low.compareTo(high) < 0, "expected " + low + " < " + high);
                assertTrue(high.compareTo(low) > 0, "expected " + high + " > " + low);
            }
        }
    }

        testBuffer = new byte[100];
        testBuffer[0] = 0x00; // Allow ACE
        testBuffer[1] = 0x03; // FLAGS_OBJECT_INHERIT | FLAGS_CONTAINER_INHERIT
        testBuffer[2] = 0x20; // Size low byte (32)
        testBuffer[3] = 0x00; // Size high byte
        testBuffer[4] = (byte) 0xA9; // Access mask byte 0
        testBuffer[5] = 0x00; // Access mask byte 1
        testBuffer[6] = 0x12; // Access mask byte 2

- Modify directory listing operations for caching
- Update change notification handling

---

### Phase 5: RDMA (SMB Direct) Support
**Priority: LOW** | **Estimated Effort: 8-10 weeks**

RDMA provides high-speed, low-latency data transfer for supported network adapters.

#### 5.1 Core RDMA Infrastructure
```
Package: jcifs.internal.smb2.rdma

        assertEquals((byte) 0x00, dst[10]); // questionType high byte
        assertEquals((byte) NameServicePacket.NB, dst[11]); // questionType low byte
        assertEquals((byte) 0x00, dst[12]); // questionClass high byte
        assertEquals((byte) NameServicePacket.IN, dst[13]); // questionClass low byte
    }

    @Test
    void testReadQuestionSectionWireFormat() {
        byte[] src = new byte[20];

    public static class uuid_t extends NdrObject {

        /**
         * Default constructor for uuid_t.
         */
        public uuid_t() {
            // Default constructor
        }

        /** The low field of the timestamp */
        public int time_low;
        /** The middle field of the timestamp */
        public short time_mid;
        /** The high field of the timestamp multiplexed with the version number */

        /**
         * Default constructor for uuid_t.
         */
        public uuid_t() {
            // Default constructor
        }

        /**
         * The low field of the timestamp.
         */
        public int time_low;
        /**
         * The middle field of the timestamp.
         */
        public short time_mid;
        /**

                // read the next character as a low surrogate and combine into a single int
                try {
                    char low = version.charAt(i + 1);
                    char[] both = {character, low};
                    c = Character.codePointAt(both, 0);
                    i++;
                } catch (IndexOutOfBoundsException ex) {