void testUnspecifiedFileIdImmutability() {
            byte[] originalFileId = Smb2Constants.UNSPECIFIED_FILEID;
            byte[] copyFileId = Smb2Constants.UNSPECIFIED_FILEID.clone();

            // Modify the copy
            copyFileId[0] = 0x00;

            // Verify original is unchanged
            assertEquals((byte) 0xFF, originalFileId[0], "Original FileId should remain unchanged");