src/vs/platform/extensionManagement/node/extensionManagementService.ts/AbstractInstallExtensionTask/constructor
class AbstractInstallExtensionTask:	constructor(
		readonly identifier: IExtensionIdentifier,
		readonly source: URI | IGalleryExtension,
		protected readonly options: InstallOptions,
		protected readonly extensionsScanner: ExtensionsScanner,
		protected readonly logService: ILogService,
	) {
		super();
	}