| ClassLoaderAwareReference | code | html | |
| EntryFactory | code | html | |
| KernelAwareReference | code | html |
| AbstractEntryFactory | code | html | |
| ConfigurationAwareReference | TODO: document me NOTE: this class is serialized when modules are installed. | code | html |
| SimpleAwareReference | code | html | |
| SimpleReference | code | html |