+ Optional<Relationship> addRelationShip(final String globalCustomerId, final String serviceType,
+ final String serviceInstanceId, final Relationship relationship, final String requestUri);
+
+ boolean deleteSericeInstance(final String globalCustomerId, final String serviceType,
+ final String serviceInstanceId, final String resourceVersion);
+
+ List<String> getRelatedToVnfIds(final String globalCustomerId, final String serviceType,
+ final String serviceInstanceId, final String vnfName);
+
+ List<String> getRelatedToVnfIds(final String globalCustomerId, final String serviceType,
+ final String serviceInstanceId);