src/vs/workbench/services/extensionManagement/browser/webExtensionsScannerService.ts/WebExtensionsScannerService/writeInstalledExtensions
class WebExtensionsScannerService:	private writeInstalledExtensions(updateFn: (extensions: IWebExtension[]) => IWebExtension[]): Promise<IWebExtension[]> {
		return this.withWebExtensions(this.installedExtensionsResource, updateFn);
	}