src/vs/workbench/api/browser/mainThreadWebviews.ts/MainThreadWebviews/constructor
class MainThreadWebviews:	constructor(
		context: IExtHostContext,
		@IOpenerService private readonly _openerService: IOpenerService,
		@IProductService private readonly _productService: IProductService,
	) {
		super();

		this._proxy = context.getProxy(extHostProtocol.ExtHostContext.ExtHostWebviews);
	}