final Builder builder = Settings.builder()
                .putList("http.hosts", hosts)
                .put("processors", fessConfig.availableProcessors())
                .put("http.heartbeat_interval", fessConfig.getFesenHeartbeatInterval());
        final String username = fessConfig.getFesenUsername();

     */
    @JvmStatic
    @JvmName("enqueue")
    fun Call.enqueueEventSource(listener: EventSourceListener): EventSource = RealEventSource(this, listener).also(this::enqueue)

    /**
     * Processes the existing response with [listener].
     */
    @JvmStatic
    @JvmName("process")
    fun Response.processEventSource(listener: EventSourceListener) = RealEventSource(this, listener).processResponse(this)
  }

    }

    // Test ProcessDestroyer inner class
    public void test_processDestroyer_creation() throws Exception {
        // We can't directly test ProcessDestroyer without creating actual processes,
        // but we can test that the class exists and basic functionality
        try {
            // Use reflection to verify ProcessDestroyer class exists