public Builder createHttpResourceGroupBuilder(String name) {
        Builder builder = HttpResourceGroup.Builder.newBuilder(name, clientConfigFactory, transportFactory);
        return builder;
    }
Factory for creating an HttpResourceGroup or dynamic proxy from an annotated interface.
For DI either bind DefaultHttpResourceGroupFactory
or implement your own to customize or override HttpResourceGroup.

@author elandau
ribbon/src/main/java/com/netflix/ribbon/RibbonResourceFactory.java