src/vs/workbench/contrib/webview/browser/dynamicWebviewEditorOverlay.ts/DynamicWebviewEditorOverlay/constructor
class DynamicWebviewEditorOverlay:	public constructor(
		public readonly id: string,
		initialOptions: WebviewOptions,
		initialContentOptions: WebviewContentOptions,
		extension: WebviewExtensionDescription | undefined,
		@ILayoutService private readonly _layoutService: ILayoutService,
		@IWebviewService private readonly _webviewService: IWebviewService,
		@IContextKeyService private readonly _baseContextKeyService: IContextKeyService
	) {
		super();

		this._extension = extension;
		this._options = initialOptions;
		this._contentOptions = initialContentOptions;
	}