code: @Bean
  	ConfigurableWroFilter wroFilter(WroManagerFactory wroManagerFactory, Wro4jProperties wro4jProperties) {
  		ConfigurableWroFilter wroFilter = new ConfigurableWroFilter();
  		wroFilter.setProperties(wroFilterProperties(wro4jProperties));
  		wroFilter.setWroManagerFactory(wroManagerFactory);
  		return wroFilter;
  	}
docs: The final step in configuring the Wro4j filter based on the existing or
  previously configured {@code WroManagerFactory} and the additional
  properties.
  
  @param wroManagerFactory An existing or the newly configured manager
  @param wro4jProperties The properties used to setup this starter
  
  @return A servlet filter which later is registered through Spring means