How to use the @grafana/toolkit/src/e2e.SelectPageObject function in @grafana/toolkit

ClickablePageObject,
} from '@grafana/toolkit/src/e2e';

export interface EditPanelPage {
  queriesTab: ClickablePageObjectType;
  saveDashboard: ClickablePageObjectType;
  scenarioSelect: SelectPageObjectType;
  showXAxis: ClickablePageObjectType;
  visualizationTab: ClickablePageObjectType;
}

export const editPanelPage = new TestPage({
  pageObjects: {
    queriesTab: new ClickablePageObject(Selector.fromAriaLabel('Queries tab button')),
    saveDashboard: new ClickablePageObject(Selector.fromAriaLabel('Save dashboard navbar button')),
    scenarioSelect: new SelectPageObject(Selector.fromAriaLabel('Scenario Select')),
    showXAxis: new ClickablePageObject(
      Selector.fromSelector('[aria-label="X-Axis section"] [label=Show] .gf-form-switch')
    ),
    visualizationTab: new ClickablePageObject(Selector.fromAriaLabel('Visualization tab button')),
  },
});