This method is used to supply a list of available filters within the ARK instance. It will return a JSON array of all the different filters within ARK and their relative ids and nicknames.
This method has no other mandatory arguments, although if anonymous logins are not enabled a username and password will need to be supplied:
- handle - username
- passwd - password
Example return (returned JSONified - displayed as an array here for ease of viewing):
Array (  => test  => western  => Shaman FreeText )