code: @Override
      public CreateUpdateEntitiesResult updateEntities(ITypedReferenceableInstance[] entityInstanceDefinitions) throws AtlasException {
          CreateUpdateEntitiesResult result = repository.updateEntities(entityInstanceDefinitions);
          onEntitiesAddedUpdated(result.getEntityResult());
          return result;
      }
docs: Updates an entity, instance of the type based on the guid set.
  
  @param entityInstanceDefinitions
  @return guids - json array of guids