Iterates over the json string looking for the named element and
returning the value of the following element.
Note that the search takes place from the current iteration position,
and all iterations are cumulative. The iteration position is reset using
the 'reset' method (in super).
Iterates over the json string looking for the named element and returning the value of the following element.
Note that the search takes place from the current iteration position, and all iterations are cumulative. The iteration position is reset using the 'reset' method (in super).