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<?php
/* --------------------------------------------------------------
   FilesystemHelperInterface.inc.php 2015-12-15
   Gambio GmbH
   http://www.gambio.de
   Copyright (c) 2015 Gambio GmbH
   Released under the GNU General Public License (Version 2)
   [http://www.gnu.org/licenses/gpl-2.0.html]
   --------------------------------------------------------------
*/

/**
 * Interface FilesystemHelperInterface
 * 
 * @category System
 * @package Extensions
 * @subpackge Helpers
 */
interface FilesystemHelperInterface
{
    /**
     * Returns the target file name with an ensured file extension. If the target file name has no file type extension
     * it will be automatically added, by using the extension from the source file name.
     * 
     * @param FilenameStringType $sourceFile
     * @param FilenameStringType $targetFile
     *
     * @return FilenameStringType
     */
    public function correctFileTypeExtension(FilenameStringType $sourceFile, FilenameStringType $targetFile);
}