private static void addInnerSearchers(SearchChain searchChain, Collection<ChainedComponentModel> searcherModels) {
        for (ChainedComponentModel searcherModel : searcherModels) {
            searchChain.addInnerComponent(createSearcher(searcherModel));
        }
    }
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