code: public void quickUnload(Component component) {
          if (component.isAggregating()) {
              logger.trace("Remove aggregating component {}", component);
              loadedFeatures.remove(component);
          } else if (component.isPlain()) {
              logger.trace("Remove plain component {}", component);
              loadedFeatures.remove(component);
          } else {
              if (isUnloading(component)) return;
              long start = System.currentTimeMillis();
              unloading(component);
              logger.info("Unloading {}", component);
              for (FeatureResolver resolver : reverseResolvers) {
                  if (resolver.hasFeature(component)) {
                      resolver.release(component);
                  }
              }
              loadedFeatures.remove(component);
              unloaded(component);
              logger.info("Unloaded  {} ({})", component, formatDurationHMS(System.currentTimeMillis() - start));
          }
      }
docs: 实际卸载一个组件
  
  @param component 被卸载的组件