public Integer getSuggestPopularWordCacheSizeAsInteger() {
                        return 1000;
                    }

                    @Override
                    public Integer getSuggestPopularWordCacheExpireAsInteger() {
                        return 10;
                    }

                    @Override
                    public String getSuggestPopularWordSeed() {
                        return "default_seed";

Shinsuke Sugaya <******@****.***> 1774491848 +0900

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

    /**
     * Get the value for the key 'suggest.search.log.permissions'. <br>
     * The value is, e.g. {user}guest,{role}guest <br>
     * comment: Permissions for suggestion search log.