private static ChainSpecification vespaSearchChainSpecification() {
        return new ChainSpecification(new ComponentId("vespa"),
                                      inherits(nativeSearchChainSpecification().componentId),
                                      noPhases(),
                                      noSearcherReferences());
    }
Creates the search chains vespaPhases, vespa and native.

@author Tony Vaagenes
config-model/src/main/java/com/yahoo/vespa/model/container/search/searchchain/defaultsearchchains/VespaSearchChainsCreator.java