chore: fix CEM error

src/lib/overlay/overlay.ts

@@ -101,8 +101,8 @@ export class OverlayComponent extends BaseOverlay<OverlayFoundation> implements
   }
 
   @FoundationProperty()
-  public arrowElement: HTMLElement;
+  public declare arrowElement: HTMLElement;
 
   @FoundationProperty()
-  public arrowElementOffset: number;
+  public declare arrowElementOffset: number;
 }

src/lib/popover/popover-foundation.ts

@@ -13,7 +13,9 @@ export interface IPopoverFoundation extends IOverlayAwareFoundation {
   dispatchBeforeToggleEvent(state: IDismissibleStackState): boolean;
 }
 
-export class PopoverFoundation extends WithLongpressListener(OverlayAwareFoundation<IPopoverAdapter>) implements IPopoverFoundation {
+const BaseClass = WithLongpressListener(OverlayAwareFoundation<IPopoverAdapter>);
+
+export class PopoverFoundation extends BaseClass implements IPopoverFoundation {
   private _targetElement: HTMLElement;
   private _target: string | null = null;
   private _arrow = false;

src/lib/popover/popover.ts

@@ -31,7 +31,7 @@ declare global {
 /**
  * @tag forge-popover
  * 
- * @description Popovers are used to render content in an element that is above all other content on the page.
+ * @summary Popovers are used to render content in an element that is above all other content on the page.
  * 
  * @property {boolean} arrow - Whether or not the popover should render an arrow.
  * @property {PopoverAnimationType} animationType - The animation type to use for the popover. Valid values are `'none'`, `'fade'`, `'slide'`, and `'zoom'` (default).
@@ -128,14 +128,14 @@ export class PopoverComponent extends OverlayAware<IPopoverFoundation> implement
   }
 
   @FoundationProperty()
-  public arrow: boolean;
+  public declare arrow: boolean;
 
   @FoundationProperty()
-  public animationType: PopoverAnimationType;
+  public declare animationType: PopoverAnimationType;
 
   @FoundationProperty()
-  public triggerType: PopoverTriggerType | PopoverTriggerType[];
+  public declare triggerType: PopoverTriggerType | PopoverTriggerType[];
 
   @FoundationProperty()
-  public longpressDelay: number;
+  public declare longpressDelay: number;
 }