* for the 'db:' backend identifier and store parameters in a database. Any other requests would be forwarded to
* the default implementation.
* @li \<file\> is an optional configuration file name. The default iConfig interface implementation uses the file
* for the 'db:' backend identifier and store parameters in a database. Any other requests would be forwarded to
* the default implementation.
* @li \<file\> is an optional configuration file name. The default iConfig interface implementation uses the file