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@CrossOrigin(origins = "*")@GetMapping(value = "/stream", produces = MediaType.TEXT_EVENT_STREAM_VALUE)public SseEmitter streamEvents(@RequestParam(name = "ulid") String ulId) {     return sseService.handler(ulId);}@CrossOrigin(origins = "*")@GetMapping(value = "/stream1")    public String publish(@RequestParam("ulid") String ulId) {        sseService.publishToEmitter(ulId+"=","Helloooo from ulid " + ulId + "\n\n");        return "Sent Helloooo to client " + ulId;