public ChainedVirtualHostBuilder withVirtualHost(String hostnamePattern) {
        final ChainedVirtualHostBuilder virtualHostBuilder =
                new ChainedVirtualHostBuilder(hostnamePattern, this);
        virtualHostBuilders.add(virtualHostBuilder);
        return virtualHostBuilder;
    }
public ChainedVirtualHostBuilder withVirtualHost ( String hostnamePattern ) { final ChainedVirtualHostBuilder virtualHostBuilder = new ChainedVirtualHostBuilder ( hostnamePattern , this ) ; virtualHostBuilders . add ( virtualHostBuilder ) ; return virtualHostBuilder ; }
Adds the <a href="https://en.wikipedia.org/wiki/Virtual_hosting#Name-based">name-based virtual host</a>
specified by {@link VirtualHost}.

@param hostnamePattern virtual host name regular expression
@return {@link VirtualHostBuilder} for build the virtual host