nl_tokens: Takes care of getting the behavior class given options and a key . If a user passes in options . behaviorClass default to using that . Otherwise delegate the lookup to the users behaviorsLookup implementation .
pl_tokens: function ( options , key ) { if ( <mask> . behaviorClass ) { return options . behaviorClass ; } // Get behavior class can be either a flat object or a method return Marionette . _getValue ( Behaviors . behaviorsLookup , this , [ options , key ] ) [ key ] ; }