* @return The value of found property. (NotNull: if not found, exception but basically no way)
     * @throws NumberFormatException When the property is not integer.
     */
    Integer getLogNotificationMaxDisplayEventsAsInteger();

    /**
     * Get the value for the key 'log.notification.max.message.length'. <br>
     * The value is, e.g. 200 <br>
     * comment: Maximum length of each log message in notification.

            docIds.add(hit.getId());
        }

        final int maxDetailsLength = fessConfig.getLogNotificationMaxDetailsLengthAsInteger();
        final int maxDisplayEvents = fessConfig.getLogNotificationMaxDisplayEventsAsInteger();
        final int maxMessageLength = fessConfig.getLogNotificationMaxMessageLengthAsInteger();

        final SystemHelper systemHelper = ComponentUtil.getSystemHelper();