TYPO3 Core

PHPDoc mentions two Exceptions which are never thrown in code and misses the only exception which may actually be thrown in LocalDriver: InvalidFileNameException

    /**
     * Clean a fileName from not allowed characters
     *
     * @param string $fileName The name of the file to be add, If not set, the local file name is used
     * @param Folder $targetFolder The target folder where the file should be added
     *
     * @throws \InvalidArgumentException
     * @throws Exception\ExistingTargetFileNameException
     * @return string
     */
    public function sanitizeFileName($fileName, Folder $targetFolder = null)
    {