code: public static Requery completionStage(final String name, final EntityModel model) {
      return new Requery(name, CompletionStageEntityStore.class, model,
          conf -> new CompletableEntityStore(new EntityDataStore<>(conf)));
    }
docs: Creates an async Requery module with Java 8 data store.
  
  <pre>{@code
  {
  use(Requery.completionStage(Models.DEFAULT));
  
  get("/", () -> {
  CompletionStageEntityStore store = require(CompletionStageEntityStore.class);
  // work with reactive store
  });
  }
  }</pre>
  
  @param name Database name.
  @param model Entity model.
  @return A new {@link Requery} module.