private void buildSourceToDiscoverability() {
        nameToDiscoverability.values().forEach(rsv -> {
            sourceToDiscoverability.put(rsv.getSource(), rsv);
        });
    }
@author Marc Savy {@literal <marc@blackparrotlabs.io>}
manager/api/security/src/main/java/io/apiman/manager/api/security/impl/DiscoverabilityOptionsParser.java