@Size(max = 10)
    public String resetDictionaries;

    /**
     * The number of shards for doc.
     */
    @Size(max = 10)
    public String numberOfShardsForDoc = ComponentUtil.getFessConfig().getIndexNumberOfShards();

    /**
     * The auto expand replicas for doc.
     */
    @Size(max = 10)
    public String autoExpandReplicasForDoc = ComponentUtil.getFessConfig().getIndexAutoExpandReplicas();

    /**

            return "";
        }

        @Override
        public String getIndexReindexSize() {
            return "100";
        }

        @Override
        public String getIndexNumberOfShards() {
            return "1";
        }

        @Override
        public String getIndexAutoExpandReplicas() {
            return "0-1";
        }
    }

     * The value is, e.g. 5 <br>
     * comment: Number of primary shards for the index.
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getIndexNumberOfShards();

    /**
     * Get the value for the key 'index.number_of_shards' as {@link Integer}. <br>
     * The value is, e.g. 5 <br>
     * comment: Number of primary shards for the index.