src/vs/platform/extensionManagement/common/extensionStorage.ts/ExtensionStorageService/setKeysForSync
class ExtensionStorageService:	setKeysForSync(extensionIdWithVersion: IExtensionIdWithVersion, keys: string[]): void {
		this.storageService.store(ExtensionStorageService.toKey(extensionIdWithVersion), JSON.stringify(keys), StorageScope.PROFILE, StorageTarget.MACHINE);
	}