# Extension Points

- [AuthenticationHandler](http://docs.scm-manager.org/apidocs/latest/sonia/scm/web/security/AuthenticationHandler.html)
- [AuthenticationListener](http://docs.scm-manager.org/apidocs/latest/sonia/scm/web/security/AuthenticationListener.html)
- [ChangesetPreProcessor](http://docs.scm-manager.org/apidocs/latest/sonia/scm/repository/ChangesetPreProcessor.html)
- [ChangesetPreProcessorFactory](http://docs.scm-manager.org/apidocs/latest/sonia/scm/repository/ChangesetPreProcessorFactory.html)
- [FileObjectPreProcessor](http://docs.scm-manager.org/apidocs/latest/sonia/scm/repository/FileObjectPreProcessor.html)
- [FileObjectPreProcessorFactory](http://docs.scm-manager.org/apidocs/latest/sonia/scm/repository/FileObjectPreProcessorFactory.html)
- [FileSystem](http://docs.scm-manager.org/apidocs/latest/sonia/scm/io/FileSystem.html)
- [GroupListener](http://docs.scm-manager.org/apidocs/latest/sonia/scm/group/GroupListener.html)
- [Module](http://google-guice.googlecode.com/svn/tags/3.0/javadoc/com/google/inject/Module.html)
- [RepositoryHandler](http://docs.scm-manager.org/apidocs/latest/sonia/scm/repository/RepositoryHandler.html)
- [RepositoryHook](http://docs.scm-manager.org/apidocs/latest/sonia/scm/repository/RepositoryHook.html)
- [RepositoryListener](http://docs.scm-manager.org/apidocs/latest/sonia/scm/repository/RepositoryListener.html)
- [RepositoryRequestListener](http://docs.scm-manager.org/apidocs/latest/sonia/scm/repository/RepositoryRequestListener.html)
- [ResourceHandler](http://docs.scm-manager.org/apidocs/latest/sonia/scm/resources/ResourceHandler.html)
- [ServletModule](http://google-guice.googlecode.com/svn/tags/3.0/javadoc/com/google/inject/servlet/ServletModule.html)
- [UserListener](http://docs.scm-manager.org/apidocs/latest/sonia/scm/user/UserListener.html)