final int start = dstIndex;

        SMBUtil.writeInt2(this.fid, dst, dstIndex);
        dstIndex += 2;
        dst[dstIndex] = (byte) 0x00; // Reserved
        dstIndex++;
        dst[dstIndex++] = (byte) 0x00; // Reserved
        SMBUtil.writeInt4(this.securityInformation, dst, dstIndex);
        dstIndex += 4;
        return dstIndex - start;
    }

    @Override

        final int start = bufferIndex;

        buffer[bufferIndex] = (byte) 0x00; // Reserved
        bufferIndex++;
        buffer[bufferIndex++] = (byte) 0x00; // Reserved
        buffer[bufferIndex++] = (byte) 0x00; // Reserved

        totalParameterCount = readInt4(buffer, bufferIndex);
        if (bufDataStart == 0) {
            bufDataStart = totalParameterCount;

        SMBUtil.writeInt2(4, buffer, 0);
        // Write reserved field (any value is acceptable)
        buffer[2] = (byte) byte2;
        buffer[3] = (byte) byte3;

        // When
        int bytesRead = response.readBytesWireFormat(buffer, 0);

        // Then - should still read 4 bytes regardless of reserved field value
        assertEquals(4, bytesRead);
    }

    @Test

        final int start = bufferIndex;

        bufferIndex += 2; // reserved
        dataCompactionMode = readInt2(buffer, bufferIndex);
        bufferIndex += 4; // 2 reserved
        dataLength = readInt2(buffer, bufferIndex);
        bufferIndex += 2;
        dataOffset = readInt2(buffer, bufferIndex);
        bufferIndex += 12; // 10 reserved

        return bufferIndex - start;
    }

    @Override

            dst[dstIndex++] = maxSetupCount;
        } else {
            dst[dstIndex++] = (byte) 0x00; // Reserved
        }
        dst[dstIndex] = (byte) 0x00; // Reserved
        dstIndex++;
        dst[dstIndex++] = (byte) 0x00; // Reserved
        writeInt4(totalParameterCount, dst, dstIndex);
        dstIndex += 4;
        writeInt4(totalDataCount, dst, dstIndex);
        dstIndex += 4;

            (byte) 64, (byte) 0x00, // StructureSize (LE)
            (byte) 0x00, (byte) 0x00, // CreditCharge (reserved 2.0.2)
            (byte) 0x00, (byte) 0x00, // ChannelSequence
            (byte) 0x00, (byte) 0x00, // Reserved
            (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, // Status
            (byte) 0x00, (byte) 0x00, // Command

        dstIndex += 16;

        // Original message size
        SMBUtil.writeInt4(this.originalMessageSize, dst, dstIndex);
        dstIndex += 4;

        // Reserved (2 bytes)
        SMBUtil.writeInt2(0, dst, dstIndex);
        dstIndex += 2;

        // Flags (2 bytes)
        SMBUtil.writeInt2(this.flags, dst, dstIndex);
        dstIndex += 2;

  internal const val B0_FLAG_FIN = 128

  /** Byte 0 reserved flag 1. Must be 0 unless negotiated otherwise. */
  internal const val B0_FLAG_RSV1 = 64

  /** Byte 0 reserved flag 2. Must be 0 unless negotiated otherwise. */
  internal const val B0_FLAG_RSV2 = 32

  /** Byte 0 reserved flag 3. Must be 0 unless negotiated otherwise. */
  internal const val B0_FLAG_RSV3 = 16

   *     accepts a cause: Users of this class typically expect for instances to have a non-null
   *     cause. At the moment, you can <i>usually</i> still preserve behavior by passing an explicit
   *     {@code null} cause. Note, however, that passing an explicit {@code null} cause prevents
   *     anyone from calling {@link #initCause} later, so it is not quite equivalent to using a

        assertEquals((byte) (informationLevel & 0xFF), dst[0]);
        assertEquals((byte) ((informationLevel >> 8) & 0xFF), dst[1]);
        // Check reserved bytes
        for (int i = 2; i < 6; i++) {
            assertEquals((byte) 0x00, dst[i], "Reserved byte at index " + i + " should be 0.");
        }
        // Check filename
        byte[] filenameBytes = filename.getBytes();