own builder has to be a service in case of extending default builder
own builder has to be a service in case of extending default builder
symfony2admingenerator/AdmingeneratorGeneratorBundle,symfony2admingenerator/AdmingeneratorGeneratorBundle,Restless-ET/AdmingeneratorGeneratorBundle,Restless-ET/AdmingeneratorGeneratorBundle,Restless-ET/AdmingeneratorGeneratorBundle