final StringBuilder buf = new StringBuilder(1000);
        appendElement(element, buf);
        return new String(buf);
    }

    /**
     * Appends the string representation of an {@link Element}.
     *
     * @param element
     *            The element. Must not be {@literal null}.
     * @param buf
     *            The string buffer. Must not be {@literal null}.
     */

  }

  /**
   * Appends the string representation of each of {@code parts}, using the previously configured
   * separator between each, to {@code appendable}.
   */
  @CanIgnoreReturnValue
  public <A extends Appendable> A appendTo(A appendable, Iterable<?> parts) throws IOException {
    return appendTo(appendable, parts.iterator());
  }

  /**

  }

  /**
   * Appends the string representation of each of {@code parts}, using the previously configured
   * separator between each, to {@code appendable}.
   */
  @CanIgnoreReturnValue
  public <A extends Appendable> A appendTo(A appendable, Iterable<?> parts) throws IOException {
    return appendTo(appendable, parts.iterator());
  }

  /**

     * @return a hexadecimal string representation of the value, padded to the specified size
     */
    public static String toHexString(final int val, final int size) {
        final char[] c = new char[size];
        toHexChars(val, c, 0, size);
        return new String(c);
    }

    /**
     * Converts a long value to a hexadecimal string representation with specified padding.
     *

     * @return a hexadecimal string representation of the value, padded to the specified size
     */
    public static String toHexString(final int val, final int size) {
        final char[] c = new char[size];
        toHexChars(val, c, 0, size);
        return new String(c);
    }

    /**
     * Converts a long value to a hexadecimal string representation with specified padding.
     *

                    .thenReturn(DcerpcConstants.RPC_PT_RESPONSE) // ptype
                    .thenReturn(DcerpcConstants.RPC_C_PF_BROADCAST); // flags
            when(mockBuffer.dec_ndr_long()).thenReturn(0x00000010) // Data representation
                    .thenReturn(123); // call_id
            when(mockBuffer.dec_ndr_short()).thenReturn(100) // length
                    .thenReturn(0); // auth_value length

        node[3] = uuid.node[3];
        node[4] = uuid.node[4];
        node[5] = uuid.node[5];
    }

    /**
     * Constructs a UUID from a string representation
     *
     * @param str the string representation of the UUID to parse
     */
    public UUID(final String str) {
        final char[] arr = str.toCharArray();
        time_low = hex_to_bin(arr, 0, 8);

        buf.enc_ndr_small(0); // minor version
        buf.enc_ndr_small(2); // ptype = 2 (Response)
        buf.enc_ndr_small(0); // flags
        buf.enc_ndr_long(0x00000010); // data representation
        buf.enc_ndr_short(20); // length
        buf.enc_ndr_short(0); // auth length
        buf.enc_ndr_long(0); // call_id

        // Response body
        buf.enc_ndr_long(4); // alloc_hint

            si += 4;
        }
    }

    /**
     * Construct a SID from it's textual representation such as
     * {@code S-1-5-21-1496946806-2192648263-3843101252-1029}.
     *
     * @param textual the textual representation of the SID
     * @throws SmbException if the textual format is invalid
     */
    public SID(final String textual) throws SmbException {

        String actualString = response.toString();
        assertTrue(actualString.startsWith("Trans2SetFileInformationResponse["),
                "The string representation should start with the class name.");
        assertTrue(actualString.endsWith("]"), "The string representation should end with a bracket.");
    }