---
title: "Deprecation: #84324 - Use ServerRequestInterface in File/FileController"
manual: "TYPO3 Core Changelog"
version: "main"
permalink: "https://docs.typo3.org/permalink/changelog:deprecation-84324"
source: "Changelog/9.2/Deprecation-84324-UseServerRequestInterfaceInFileFileController.rst"
typo3-version: "9.2"
typo3-major: 9
type: "deprecation"
issue: 84324
forge: "https://forge.typo3.org/issues/84324"
tags: ["Backend", "PHP-API", "PartiallyScanned"]
rendered: "2026-09-23T16:35:56+00:00"
---

# Deprecation: #84324 - Use ServerRequestInterface in File/FileController {#deprecation-84324}

See [forge#84324](https://forge.typo3.org/issues/84324)

## Description {#description}

All methods not used as entry points by `\TYPO3\CMS\Backend\Http\RouteDispatcher` will be
removed or set to protected in v10 and throw deprecation warnings if used from a third party:

-   \[not scanned\] `main()`
-   -   *php:* `initClipboard()`
-   -   *php:* `finish()`

## Impact {#impact}

Calling one of the above methods on an instance of
`FileController` will throw a deprecation warning in v9 and a PHP fatal in v10.

## Affected Installations {#affected-installations}

The extension scanner will find most usages, but may also find some false positives. In general all extensions
that call methods except `mainAction()` are affected.

## Migration {#migration}

In general, extensions should not instantiate and re-use controllers of the core. Existing
usages should be rewritten to be free of calls like these.