message: refactor(core): remove underscore suffix from locally scoped class expression names
  remove unnecessary underscore suffix and the corresponding TODO comments,
  because the rollup bug was fixed: github.com/rollup/rollup/issues/2047
  PR Close
diff: @@ -60,8 +60,7 @@ export function createElementRef(
  ElementRefToken: typeof ViewEngine_ElementRef, tNode: TNode,
  view: LView): ViewEngine_ElementRef {
  if (!R3ElementRef) {
  - // TODO: Fix class name, should be ElementRef, but there appears to be a rollup bug
  - R3ElementRef = class ElementRef_ extends ElementRefToken {};
  + R3ElementRef = class ElementRef extends ElementRefToken {};
  }
  return new R3ElementRef(getNativeByTNode(tNode, view) as RElement);
  }
  @@ -96,8 +95,7 @@ export function createTemplateRef<T>(
  TemplateRefToken: typeof ViewEngine_TemplateRef, ElementRefToken: typeof ViewEngine_ElementRef,
  hostTNode: TNode, hostView: LView): ViewEngine_TemplateRef<T>|null {
  if (!R3TemplateRef) {
  - // TODO: Fix class name, should be TemplateRef, but there appears to be a rollup bug
  - R3TemplateRef = class TemplateRef_<T> extends TemplateRefToken<T> {
  + R3TemplateRef = class TemplateRef<T> extends TemplateRefToken<T> {
  constructor(
  private _declarationView: LView, private _declarationTContainer: TContainerNode,
  readonly elementRef: ViewEngine_ElementRef) {
  @@ -173,8 +171,7 @@ export function createContainerRef(
  hostTNode: TElementNode|TContainerNode|TElementContainerNode,
  hostView: LView): ViewEngine_ViewContainerRef {
  if (!R3ViewContainerRef) {
  - // TODO: Fix class name, should be ViewContainerRef, but there appears to be a rollup bug
  - R3ViewContainerRef = class ViewContainerRef_ extends ViewContainerRefToken {
  + R3ViewContainerRef = class ViewContainerRef extends ViewContainerRefToken {
  constructor(
  private _lContainer: LContainer,
  private _hostTNode: TElementNode|TContainerNode|TElementContainerNode,
  