question: public Builder addTokenFilter ( Class < ? extends TokenFilterFactory > factory , Map < String , String > params ) throws IOException { Objects . requireNonNull ( factory , "TokenFilter name may not be null" ) ; tokenFilters . add ( applyResourceLoader ( newFactoryClassInstance ( factory , applyDefaultParams ( params ) ) ) ) ; componentsAdded = true ; return this ; }
target:  Adds the given token filter.