* Maximum length is 10000 characters.
     */
    @Size(max = 10000)
    public String parameterName;

    /**
     * The expiration date and time for the access token.
     * Must be in ISO 8601 format: YYYY-MM-DDTHH:MM:SS
     */
    @Pattern(regexp = "[0-9][0-9][0-9][0-9]-[0-9][0-9]-[0-9][0-9]T[0-9][0-9]:[0-9][0-9]:[0-9][0-9]")
    public String expires;

    /**
     * The username of the user who created this access token.

            if (pos != -1) {
                buf.replace(pos, pos + 1, "HH");
            }
        }
        if (buf.indexOf("mm") == -1) {
            final int pos = buf.indexOf("m");
            if (pos != -1) {
                buf.replace(pos, pos + 1, "mm");
            }
        }
        if (buf.indexOf("ss") == -1) {
            final int pos = buf.indexOf("s");
            if (pos != -1) {

    public String queryId;

    /** User session ID filter for search logs. */
    public String userSessionId;

    /** Time range filter for search logs (format: "yyyy-MM-dd HH:mm - yyyy-MM-dd HH:mm"). */
    public String requestedTimeRange;

    /** Access type filter for search logs (web, json, gsa, admin, other). */
    public String accessType;

    /**

Integer nullValue = IntegerConversionUtil.toInteger(null);     // Returns null
Boolean flag = BooleanConversionUtil.toBoolean("true");        // Returns true
Date date = DateConversionUtil.toDate("2023-12-25", "yyyy-MM-dd");

// Primitive conversions with default values
int primitiveInt = IntegerConversionUtil.toPrimitiveInt(value, "0");  // Default to 0 if null
```

### Collection Utilities with Java 21 Support
```java

				</div>
				<div class="info">
					<fmt:formatDate value="${fe:parseDate(doc.last_modified)}" type="BOTH" pattern="yyyy-MM-dd HH:mm" />
					<c:if test="${doc.last_modified==null || doc.last_modified==''}">
						<fmt:formatDate value="${fe:parseDate(doc.created)}" type="BOTH" pattern="yyyy-MM-dd HH:mm" />
					</c:if>
					<c:if test="${doc.content_length!=null && doc.content_length!=''}">
						<div class="d-sm-none"></div>

                                        <td><fmt:formatDate value="${fe:date(updatedTime)}"
                                                            pattern="yyyy-MM-dd'T'HH:mm:ss"/></td>
                                    </tr>
                                    </tbody>
                                </table>
                            </div>

                                                            value="${fe:date(data.createdTime)}"
                                                            pattern="yyyy-MM-dd'T'HH:mm:ss"/></td>
                                                </tr>
                                            </c:forEach>
                                            </tbody>

    <function-class>org.codelibs.fess.taglib.FessFunctions</function-class>
    <function-signature>java.util.Date parseDate(java.lang.String, java.lang.String)</function-signature>
    <example>
      ${fe:parseDate(doc.tstamp, "yyyy-MM-dd HH:mm:ss")}
    </example>
  </function>

  <function>
    <description>
      Returns formatted duration from a given value.
    </description>
    <name>formatDuration</name>

                                                                value="${fe:date(data.lastAccessTime)}"
                                                                pattern="yyyy-MM-dd'T'HH:mm:ss"/></td>
                                                    </tr>
                                                </c:forEach>
                                                </tbody>

        if (format.contains("epoch_millis")) {
            return Long.toString(date.getTime());
        } else if (format.contains("date_optional_time")) {
            final SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss");
            sdf.setTimeZone(TimeZone.getTimeZone("UTC"));
            return sdf.format(date);
        } else {
            return Long.toString(date.getTime());
        }
    }