code: @Override
      public ProtocolDef protocol(String type) {
          return new ProtocolDefImpl(
                  getDescriptorName(),
                  getRootNode(),
                  container,
                  container.getOrCreate("protocol@type=" + type));
      }
docs: /* (non-Javadoc)
  @see org.jboss.arquillian.impl.configuration.api.ContainerDescription#protocol()