code: public <T> void destroy() {
          final Set<Entry<Bean<?>, Object>> beanSet = beanReferences.entrySet();
          final Iterator<Entry<Bean<?>, Object>> i = beanSet.iterator();
          Bean<?> bean;
          while (i.hasNext()) {
              bean = i.next().getKey();
              final T instance = (T) beanReferences.get(bean);
  
              destroyReference((Bean<T>) bean, instance);
          }
  
          beanReferences.clear();
      }
docs: Destroys this context, clears all bean's references (instances).
  
  @param <T> the type of contextual