$storageDriverType of the storage driver ('db', 'mdb', 'mdb2', 'gettext', 'dataobjectsimple')
$optionsAdditional options for the storage driver (example: if you are using DB as the storage driver, you have to pass the dsn string here)
$paramsArray of parameters for the adapter class (i.e. you can set here the mappings between your table/field names and the ones used by this class)