message: CM move member var to conventional location...
diff: @@ -1415,6 +1415,7 @@ export abstract class ViewState3d extends ViewState {
  */
  export class SpatialViewState extends ViewState3d {
  public modelSelector: ModelSelectorState;
  + private _viewedExtents?: AxisAlignedBox3d;
  constructor(props: SpatialViewDefinitionProps, iModel: IModelConnection, arg3: CategorySelectorState, displayStyle: DisplayStyle3dState, modelSelector: ModelSelectorState) {
  super(props, iModel, arg3, displayStyle);
  @@ -1438,7 +1439,6 @@ export class SpatialViewState extends ViewState3d {
  public static get className() { return "SpatialViewDefinition"; }
  public createAuxCoordSystem(acsName: string): AuxCoordSystemState { return AuxCoordSystemSpatialState.createNew(acsName, this.iModel); }
  - private _viewedExtents?: AxisAlignedBox3d;
  public getViewedExtents(): AxisAlignedBox3d {
  if (undefined === this._viewedExtents) {
  this._viewedExtents = new AxisAlignedBox3d(this.iModel.projectExtents.low, this.iModel.projectExtents.high);
  