code: public ServiceBuilder withDataLogFactory(Function<ComponentSetup, DurableDataLogFactory> dataLogFactoryCreator) {
          Preconditions.checkNotNull(dataLogFactoryCreator, "dataLogFactoryCreator");
          this.dataLogFactoryCreator = dataLogFactoryCreator;
          return this;
      }
docs: Attaches the given DurableDataLogFactory creator to this ServiceBuilder. The given Function will only not be invoked
  right away; it will be called when needed.
  
  @param dataLogFactoryCreator The Function to attach.
  @return This ServiceBuilder.