*
* @param moodleform $mform passed by reference, add elements to it.
*/
- public function admin_config_form(&$mform) {}
+ public static function admin_config_form(&$mform) {}
/**
* Just like the moodle form validation function,
*
* @param array $data data from form.
*/
- public function admin_config_validation($data) {}
+ public static function admin_config_validation($data) {}
/**
* mform to display to the user exporting data using this plugin.