.. include:: /Includes.rst.txt .. _developer: ================ Developer Corner ================ This chapter describes the API provided by the extension and shows how to use the environment builder and the state manager. Always depend on the public interfaces and let dependency injection resolve the TYPO3 core-version specific implementation; see :ref:`developer-public-api` for what is covered by the backward-compatibility promise and what is internal. .. toctree:: :maxdepth: 5 :titlesonly: EnvironmentBuilder/Index StateManager/Index PublicApi/Index