code: @Override
      protected void doStart() {
          super.doStart();
          _runtimeManager = newSingletonRuntimeManager();
          // TODO: SWITCHYARD-1584
          // _runtimeManager = newPerProcessInstanceRuntimeManager();
          // _runtimeManager = _persistent ? newPerProcessInstanceRuntimeManager() : newSingletonRuntimeManager();
          KnowledgeRuntimeManagerRegistry.putRuntimeManager(getServiceDomain().getName(), getServiceName(), _runtimeManager);
      }
docs: {@inheritDoc}