* @param array $note note array
* @param bool $seen optional true or false, default true
* @return bool true on success, false on errors
+ * @throws \Exception
*/
public function setSeen($note, $seen = true)
{
*
* @param bool $seen optional true or false. default true
* @return bool true on success, false on error
+ * @throws \Exception
*/
public function setAllSeen($seen = true)
{