Issue #2311679 by kim.pepper, mondrake, bhanu951, arla, alexpott, ParisLiakos,...
Issue #2311679 by kim.pepper, mondrake, bhanu951, arla, alexpott, ParisLiakos, yogeshmpawar, pcambra, godotislate, mfb, berdir: Separate MIME type mapping from ExtensionMimeTypeGuesser
'message' => '#^Method Drupal\\\\Core\\\\ProxyClass\\\\File\\\\MimeType\\\\ExtensionMimeTypeGuesser\\:\\:setMapping\\(\\) has no return type specified\\.$#',
'message' => '#^Method Drupal\\\\Core\\\\ProxyClass\\\\File\\\\MimeType\\\\MimeTypeGuesser\\:\\:addMimeTypeGuesser\\(\\) has no return type specified\\.$#',
'This hook is deprecated in drupal:11.2.0 and is removed from drupal:12.0.0. Implement a \Drupal\Core\File\Event\MimeTypeMapLoadedEvent listener instead. See https://www.drupal.org/node/3494040',
'Calling '.__METHOD__.'() with the $map argument as an instance of \Drupal\Core\Extension\ModuleHandlerInterface is deprecated in drupal:11.2.0 and an instance of \Drupal\Core\File\MimeType\MimeTypeMapInterface is required in drupal:12.0.0. See https://www.drupal.org/node/3494040',
'Calling '.__METHOD__.'() without the $fileSystem argument is deprecated in drupal:11.2.0 and is required in drupal:12.0.0. See https://www.drupal.org/node/3494040',
'Calling '.__METHOD__.'() without the file_system service already injected is deprecated in drupal:11.2.0 and throws an exception in drupal:12.0.0. See https://www.drupal.org/node/3494040',
'Calling '.__METHOD__.'() without the MimeTypeMapInterface service already injected is deprecated in drupal:11.2.0 and throws an exception in drupal:12.0.0. See https://www.drupal.org/node/3494040',
__METHOD__.'() is deprecated in drupal:11.2.0 and is removed from drupal:12.0.0. Use \Drupal\Core\File\MimeType\MimeTypeMapInterface::addMapping() instead or define your own MimeTypeMapInterface implementation. See https://www.drupal.org/node/3494040',