src/vs/platform/extensionManagement/node/extensionsManifestCache.ts/ExtensionsManifestCache/constructor
class ExtensionsManifestCache:	constructor(
		private readonly environmentService: INativeEnvironmentService,
		extensionsManagementService: IExtensionManagementService
	) {
		super();
		this._register(extensionsManagementService.onDidInstallExtensions(e => this.onDidInstallExtensions(e)));
		this._register(extensionsManagementService.onDidUninstallExtension(e => this.onDidUnInstallExtension(e)));
	}