src/vs/platform/localizations/node/localizations.ts/LocalizationsService/postInstallExtension
class LocalizationsService:	private async postInstallExtension(extension: ILocalExtension): Promise<void> {
		if (extension && extension.manifest && extension.manifest.contributes && extension.manifest.contributes.localizations && extension.manifest.contributes.localizations.length) {
			this.logService.info('Adding language packs from the extension', extension.identifier.id);
			await this.update();
		}
	}