| SpringContainerAccessor | Allows to access the spring container and access springs beans. |
| DefaultSpringContainerAccessor | Manages spring context access, including autowiring. |
| NonValidatingOsgiApplicationContextCreator | Application context creator that will use a special application context that disables XML Schema validation |
| PluginBridgeEventMulticaster | Finds ApplicationListener bridge and uses it to CC all event broadcasts |
| ThreadPoolAsyncTaskExecutor | Executes spring tasks using a cached thread pool that expands as necessary. |