final Receiver<Long> countCallback = new Receiver<Long>() {
            @Override
            public void onSuccess(Long response) {
                getView().asHasData().setRowCount(response.intValue(), true);
            }
        };
        requests.fooRequest().countFoos().fire(countCallback);

        final AsyncDataProvider<String> dataProvider = new AsyncDataProvider<String>() {
            @Override
            protected void onRangeChanged(HasData<String> display) {
                final Range range = display.getVisibleRange();
                requests.fooRequest()
                        .findFooEntries(range.getStart(), range.getLength())
                        .fire(new Receiver<List<FooProxy>>() {
                    @Override
                    public void onSuccess(List<FooProxy> response) {
                        getView().asHasData().setRowData(range.getStart(), response);
                        panel.add(getView());
                    }
                });
            }
        };

        dataProvider.addDataDisplay(getView().asHasData());