See :issue:`84637`
In the process of streamlining the link generation to pages in the Frontend, the master method :php:`TemplateService->linkData` and all functionality regarding resolving of the according Mount Point parameters have been migrated into the TypoLink PageLinkBuilder class.
The following methods have been marked as deprecated: * :php:`TYPO3\CMS\Core\TypoScript\TemplateService->linkData` * :php:`TYPO3\CMS\Core\TypoScript\TemplateService->getFromMPmap` * :php:`TYPO3\CMS\Core\TypoScript\TemplateService->initMPmap_create`
Calling any of the methods above will trigger a PHP deprecation message.
Any TYPO3 installations with third-party extensions calling the methods directly, extensions using the existing hook :php:`$GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['t3lib/class.t3lib_tstemplate.php']['linkData-PostProc']` will work the same way.
Access the corresponding new methods within :php:`PageLinkBuilder` instead of the TemplateService-related methods, or use the existing hook to modify parameters for a URL.
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