Array of options which have to be transfered to backend
Not used for the core, just a sort a hint to get a common setOption() method (for the core and for frontends)
PUBLIC METHOD FOR UNIT TESTING ONLY !
PUBLIC METHOD FOR UNIT TESTING ONLY !
This frontend specific options
This frontend specific options
callback for output buffering (shouldn't really be called manually)
Main method : call the specified method or get the result from cache