*/
        T build(R response, H hit);
    }

    /**
     * Sets the name of the search engine cluster.
     *
     * @param clusterName the cluster name
     */
    public void setClusterName(final String clusterName) {
        this.clusterName = clusterName;
    }

    /**
     * Gets information about the search engine.
     *
     * @return the engine information

    private ClusterHealthResponse createMockHealthResponse(String clusterName, ClusterHealthStatus status) {
        return new ClusterHealthResponse() {
            @Override
            public String getClusterName() {
                return clusterName;
            }

            @Override
            public ClusterHealthStatus getStatus() {
                return status;
            }

        if (isWitnessServiceAvailable(serverAddress)) {
            return serverAddress;
        }

        // Query for cluster witness service via DNS
        try {
            String clusterName = getClusterName(serverAddress);
            if (clusterName != null) {
                return InetAddress.getByName(clusterName + "-witness");
            }
        } catch (Exception e) {