nl_tokens: Only used by Collection#sync .
pl_tokens: function findAll ( collection , callbacks ) { localforage . getItem ( collection . sync . localforageKey , function ( err , data ) { if ( data && data . length ) { var done = function ( ) { if ( callbacks . success ) { callbacks . success ( data . filter ( function ( model ) { // Because the collection is stored as a list of model keys, some // keys may point to models that no longer exist. localForage // returns those as null, so just filter those out for now, and // when a new model is saved, the list of keys will be updated to // match existing models. return model !== null ; } ) ) ; } } ; // Only execute `done` after getting all of the // collection's models. done = after ( data . length , done ) ; var onModel = function ( i , err , model ) { data [ i ] = model ; done ( ) ; } ; for ( var i = 0 ; i < <mask> . length ; ++ i ) { localforage . getItem ( data [ i ] , partial ( onModel , i ) ) ; } } else { data = [ ] ; if ( callbacks . success ) { callbacks . success ( data ) ; } } } ) ; }