public static HttpResponse fromEvent(ResponseHeaders headers, ServerSentEvent sse, HttpHeaders trailers) {
        requireNonNull(headers, "headers");
        requireNonNull(sse, "sse");
        requireNonNull(trailers, "trailers");
        return HttpResponse.of(sanitizeHeaders(headers), toHttpData(sse), trailers);
    }
Creates a new Server-Sent Events stream of the specified {@code content}.

@param headers the HTTP headers supposed to send
@param sse the {@link ServerSentEvent} object supposed to send as contents
@param trailers the HTTP trailers
core/src/main/java/com/linecorp/armeria/server/streaming/ServerSentEvents.java