private static void addPortDefaultFilters(
            FilterBindings.Builder builder, ServerConfig config, FilterChainRepository filterRepository) {
        for (ServerConfig.DefaultFilters defaultFilter : config.defaultFilters()) {
            if (isRequestFilter(filterRepository, defaultFilter.filterId())) {
                builder.setRequestFilterDefaultForPort(defaultFilter.filterId(), defaultFilter.localPort());
            } else {
                builder.setResponseFilterDefaultForPort(defaultFilter.filterId(), defaultFilter.localPort());
            }
        }
    }
Provides filter bindings based on vespa config.

@author Oyvind Bakksjo
@author bjorncs
container-disc/src/main/java/com/yahoo/container/jdisc/FilterBindingsProvider.java