searchLogList.stream().forEach(searchLog -> {
            if (searchLog.getHitCount() == null
                    || searchLog.getHitCount().longValue() < fessConfig.getSuggestMinHitCountAsInteger().longValue()) {
                return;
            }

            final String sessionId;
            if (searchLog.getUserSessionId() != null) {

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

    /**
     * Get the value for the key 'suggest.field.contents'. <br>
     * The value is, e.g. _default <br>
     * comment: Field for suggestion contents.