code: public synchronized void notifyAllFileSubcribers() {
          for (IdentificationSet<FileSubscriber> subList : fileSubscribers.values()) {
              for (FileSubscriber sub : subList) {
                  CompletableFuture.runAsync(sub::update, main.getThreadPoolManager().getAddOnsThreadPool());
              }
          }
  
          notifyDefaultFileSubscribers();
      }
docs: Notifies all file subscribers.