From Joomla! Documentation
The "API16" namespace is an archived namespace. This page contains information for a Joomla! version which is no longer supported. It exists only as a historical reference, it will not be improved and its content may be incomplete and/or contain broken links.
|objectToString||Converts an object into a JSON formatted string.
Unfortunately, there is no way to have ini values nested further than two levels deep. Therefore we will only go through the first two levels of the object.
|stringToObject||Parse a JSON formatted string and convert it into an object.|
jimport( 'joomla.registry.format.json' );