src/vs/workbench/contrib/extensions/browser/extensionsWorkbenchService.ts/Extension/extensionPack
class Extension:	get extensionPack(): string[] {
		const { local, gallery } = this;
		if (local && local.manifest.extensionPack && !this.outdated) {
			return local.manifest.extensionPack;
		}
		if (gallery) {
			return gallery.properties.extensionPack || [];
		}
		return [];
	}