public int getFilterShards() {
        return filterShards;
    }

    /**
     * Sets the number of filter shards.
     * @param filterShards The number of filter shards.
     */
    public void setFilterShards(final int filterShards) {
        this.filterShards = filterShards;
    }

    /**
     * Returns the number of queue replicas.
     * @return The number of queue replicas.
     */