public static synchronized @Nullable JBCefFpsMeter get(@NotNull String id) {
    JBCefFpsMeter instance = INSTANCES.get(id);
    if (instance == null) {
      Logger.getInstance(JBCefFpsMeter.class).warn(JBCefFpsMeter.class + " not registered: " + id);
    }
    return instance;
  }
public static synchronized @Nullable JBCefFpsMeter get(@NotNull String id)