in src/main/java/com/epam/digital/data/platform/langserver/ddmlanguageserver/handler/WebSocketHandler.java [48:53]
public void afterConnectionEstablished(@NonNull WebSocketSession session) {
log.info("Server connection opened");
session.setTextMessageSizeLimit(messageSize);
var remoteEndpoint = languageServerFactory.create(session);
servers.put(session, remoteEndpoint);
}