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| | | | This file is part of the Roundcube Webmail client | |
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| | | | Copyright (C) 2005-2012, The Roundcube Dev Team | |
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| | | | Copyright (C) 2012, Kolab Systems AG | |
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| | | | Licensed under the GNU GPL | |
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| | | | | |
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| | | | Licensed under the GNU General Public License version 3 or | |
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| | | | any later version with exceptions for skins & plugins. | |
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| | | | See the README file for a full license statement. | |
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| | | | PURPOSE: | |
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| | | | Mail Storage Engine | |
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| | | */ |
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| | | abstract function get_cache($key); |
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| | | |
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| | | /** |
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| | | * Delete outdated cache entries |
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| | | */ |
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| | | abstract function expunge_cache(); |
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| | | } // end class rcube_storage |
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