}


    public byte[] getBuffer () {
        return this.buf;
    }


    public int align ( int boundary, byte value ) {
        int n = align(boundary);
        int i = n;
        while ( i > 0 ) {
            this.buf[ this.index - i ] = value;
            i--;
        }
        return n;
    }


    public void writeOctetArray ( byte[] b, int i, int l ) {

        p.setProperty("jcifs.smb.client.soTimeout", "300000");
        p.setProperty("jcifs.netbios.cachePolicy", "600");

        Enumeration<String> e = config.getInitParameterNames();
        String name;
        while ( e.hasMoreElements() ) {
            name = e.nextElement();
            if ( name.startsWith("jcifs.") ) {
                p.setProperty(name, config.getInitParameter(name));
            }
        }

  }

  /**
   * Returns the current sum. The returned value is NOT an atomic snapshot; invocation in
   * the absence of concurrent updates returns an accurate result, but concurrent updates that occur
   * while the sum is being calculated might not be incorporated.
   *
   * @return the sum
   */
  @Override
  public long sum() {
    long sum = base;
    Cell[] as = cells;
    if (as != null) {

 * </ul>
 *
 * <h4>Warnings</h4>
 *
 * <ul>
 *   <li><b>Warning:</b> as with any collection, it is almost always a bad idea to modify an element
 *       (in a way that affects its {@link Object#equals} behavior) while it is contained in a
 *       collection. Undefined behavior and bugs will result. It's generally best to avoid using
 *       mutable objects as elements at all, as many users may expect your "immutable" object to be

    // 1. Asterisk (*) is only permitted in the left-most domain name label and must be the
    //    only character in that label (i.e., must match the whole left-most label).
    //    For example, *.example.com is permitted, while *a.example.com, a*.example.com,
    //    a*b.example.com, a.*.example.com are not permitted.
    // 2. Asterisk (*) cannot match across domain name labels.

        try (BufferedReader reader = new BufferedReader(new InputStreamReader(in, Constants.UTF_8))) {
            long id = 0;
            String line = null;
            while ((line = reader.readLine()) != null) {
                // Remove comments
                final String replacedLine = line.replaceAll("#.*$", StringUtil.EMPTY).trim();

                // Skip empty lines or comment lines

  }

  /**
   * Reads a byte from the input stream checking that the end of file (EOF) has not been
   * encountered.
   *
   * @return byte read from input
   * @throws IOException if an error is encountered while reading
   * @throws EOFException if the end of file (EOF) is encountered.
   */
  private byte readAndCheckByte() throws IOException, EOFException {
    int b1 = in.read();

    if (-1 == b1) {

          entries[lastEntryIndex] = maskCombine(entries[lastEntryIndex], newNext, mask);
        }

        return entryIndex;
      }
      lastEntryIndex = entryIndex;
      next = getNext(entry, mask);
    } while (next != UNSET);
    return -1;
  }

func (eDate *ExpirationDate) UnmarshalXML(d *xml.Decoder, startElement xml.StartElement) error {
	var dateStr string
	err := d.DecodeElement(&dateStr, &startElement)
	if err != nil {
		return err
	}
	// While AWS documentation mentions that the date specified
	// must be present in ISO 8601 format, in reality they allow
	// users to provide RFC 3339 compliant dates.
	expDate, err := time.Parse(time.RFC3339, dateStr)
	if err != nil {

```

////

//// tab | non-Annotated

```Python
q: Union[str, None] = Query(default=None, min_length=3)
```

////

So, when you need to declare a value as required while using `Query`, you can simply not declare a default value:

//// tab | Python 3.9+

```Python hl_lines="9"
{!> ../../docs_src/query_params_str_validations/tutorial006_an_py39.py!}
```

////