src/vs/platform/userDataSync/common/userDataSyncMachines.ts/UserDataSyncMachinesService/getMachines
class UserDataSyncMachinesService:	async getMachines(manifest?: IUserDataManifest): Promise<IUserDataSyncMachine[]> {
		const currentMachineId = await this.currentMachineIdPromise;
		const machineData = await this.readMachinesData(manifest);
		return machineData.machines.map<IUserDataSyncMachine>(machine => ({ ...machine, ...{ isCurrent: machine.id === currentMachineId } }));
	}