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@@ -298,7 +298,7 @@ export class OnAfterEnteringVRObservableEvent {
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export class VRExperienceHelper {
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private _scene: Scene;
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private _position: Vector3;
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- private _btnVR: HTMLButtonElement;
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+ private _btnVR: Nullable<HTMLButtonElement>;
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private _btnVRDisplayed: boolean;
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// Can the system support WebVR, even if a headset isn't plugged in?
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@@ -619,7 +619,7 @@ export class VRExperienceHelper {
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/**
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* The html button that is used to trigger entering into VR.
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*/
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- public get vrButton(): HTMLButtonElement | undefined {
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+ public get vrButton(): Nullable<HTMLButtonElement> {
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return this._btnVR;
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}
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