final String s = prp.getProperty(key);
        if (s != null) {
            try {
                def = Integer.parseInt(s);
            } catch (final NumberFormatException nfe) {
                if (LogStream.level > 0) {
                    nfe.printStackTrace(log);
                }
            }
        }
        return def;
    }

    /**

                return SearchLogPager.DEFAULT_PAGE_SIZE;
            }
            return value;
        } catch (final NumberFormatException e) {
            // ignore
            return SearchLogPager.DEFAULT_PAGE_SIZE;
        }
    }

    int length = end - start;
    if (length <= 0 || length > 3) {
      throw new NumberFormatException();
    }
    // Disallow leading zeroes, because no clear standard exists on
    // whether these should be interpreted as decimal or octal.
    if (length > 1 && ipString.charAt(start) == '0') {
      throw new NumberFormatException();
    }
    int octet = 0;
    for (int i = start; i < end; i++) {
      octet *= 10;

    this.rawValue = rawValue;
    this.radix = radix;
  }

  static ParseRequest fromString(String stringValue) {
    if (stringValue.length() == 0) {
      throw new NumberFormatException("empty string");
    }

    // Handle radix specifier if present
    String rawValue;
    int radix;
    char firstChar = stringValue.charAt(0);

    return fromIntBits(value.intValue());
  }

  /**
   * Returns an {@code UnsignedInteger} holding the value of the specified {@code String}, parsed as
   * an unsigned {@code int} value.
   *
   * @throws NumberFormatException if the string does not contain a parsable unsigned {@code int}
   *     value
   */
  public static UnsignedInteger valueOf(String string) {
    return valueOf(string, 10);
  }

  /**

  }

  /**
   * Returns an {@code UnsignedLong} holding the value of the specified {@code String}, parsed as an
   * unsigned {@code long} value.
   *
   * @throws NumberFormatException if the string does not contain a parsable unsigned {@code long}
   *     value
   */
  @CanIgnoreReturnValue
  public static UnsignedLong valueOf(String string) {
    return valueOf(string, 10);
  }

     *
     * @throws NumberFormatException if [s] is not an integer of any precision.
     */
    private fun parseMaxAge(s: String): Long {
      try {
        val parsed = s.toLong()
        return if (parsed <= 0L) Long.MIN_VALUE else parsed
      } catch (e: NumberFormatException) {
        // Check if the value is an integer (positive or negative) that's too big for a long.

    int length = end - start;
    if (length <= 0 || length > 3) {
      throw new NumberFormatException();
    }
    // Disallow leading zeroes, because no clear standard exists on
    // whether these should be interpreted as decimal or octal.
    if (length > 1 && ipString.charAt(start) == '0') {
      throw new NumberFormatException();
    }
    int octet = 0;
    for (int i = start; i < end; i++) {
      octet *= 10;

        final String value = systemProperties.getProperty(key);
        if (value != null) {
            try {
                return Integer.parseInt(value);
            } catch (final NumberFormatException e) {}
        }
        return defaultValue;
    }

    /**
     * Retrieves a long value from system properties with a default fallback.
     *
     * @param key the property key to look up

                            logger.debug("role info is expired: {} > {}", time, maxAge);
                        }
                        return;
                    }
                } catch (final NumberFormatException e) {
                    logger.warn("Invalid role info: {}", rolesStr, e);
                    return;
                }
            }
            if (values.length > 1) {