How to use the @grafana/runtime.setBackendSrv function in @grafana/runtime

$scope: any,
    utilSrv: UtilSrv,
    $rootScope: GrafanaRootScope,
    contextSrv: ContextSrv,
    bridgeSrv: BridgeSrv,
    backendSrv: BackendSrv,
    timeSrv: TimeSrv,
    linkSrv: LinkSrv,
    datasourceSrv: DatasourceSrv,
    keybindingSrv: KeybindingSrv,
    dashboardSrv: DashboardSrv,
    angularLoader: AngularLoader
  ) {
    // make angular loader service available to react components
    setAngularLoader(angularLoader);
    setBackendSrv(backendSrv);
    setDataSourceSrv(datasourceSrv);
    setTimeSrv(timeSrv);
    setLinkSrv(linkSrv);
    setKeybindingSrv(keybindingSrv);
    setDashboardSrv(dashboardSrv);

    const store = configureStore();
    setLocationSrv({
      update: (opt: LocationUpdate) => {
        store.dispatch(updateLocation(opt));
      },
    });

    $scope.init = () => {
      $scope.contextSrv = contextSrv;
      $scope.appSubUrl = config.appSubUrl;

constructor(
    $scope: any,
    utilSrv: UtilSrv,
    $rootScope: GrafanaRootScope,
    contextSrv: ContextSrv,
    bridgeSrv: BridgeSrv,
    backendSrv: BackendSrv,
    timeSrv: TimeSrv,
    linkSrv: LinkSrv,
    datasourceSrv: DatasourceSrv,
    keybindingSrv: KeybindingSrv,
    angularLoader: AngularLoader
  ) {
    // make angular loader service available to react components
    setAngularLoader(angularLoader);
    setBackendSrv(backendSrv);
    setDataSourceSrv(datasourceSrv);
    setTimeSrv(timeSrv);
    setLinkSrv(linkSrv);
    setKeybindingSrv(keybindingSrv);
    const store = configureStore();
    setLocationSrv({
      update: (opt: LocationUpdate) => {
        store.dispatch(updateLocation(opt));
      },
    });

    $scope.init = () => {
      $scope.contextSrv = contextSrv;
      $scope.appSubUrl = config.appSubUrl;
      $scope._ = _;