code: @Deprecated
    public FluoConfiguration clearObservers() {
      Iterator<String> iter1 = getKeys(OBSERVER_PREFIX.substring(0, OBSERVER_PREFIX.length() - 1));
      while (iter1.hasNext()) {
        String key = iter1.next();
        clearProperty(key);
      }
  
      return this;
    }
docs: Removes any configured observers.
  
  @deprecated since 1.1.0. Replaced by {@link #setObserverProvider(String)} and
  {@link #getObserverProvider()}