* @return string Relative file reference, resolvable by \TYPO3\CMS\Core\Utility\GeneralUtility::getFileAbsFileName()
*/
public function getIcon($extension) {
* @return string Relative file reference, resolvable by \TYPO3\CMS\Core\Utility\GeneralUtility::getFileAbsFileName()
*/
public function getIcon($extension) {