question: private static Instance createInstanceTemplate ( String userEmail , String projectId , String zoneId , List < String > scopes ) { Instance instance = new Instance ( ) ; instance . setMachineType ( String . format ( ENUMERATION_TEST_MACHINE_TYPE , projectId , zoneId ) ) ; NetworkInterface ifc = new NetworkInterface ( ) ; ifc . setNetwork ( String . format ( NETWORK_INTERFACE , projectId ) ) ; List < AccessConfig > configs = new ArrayList < > ( ) ; AccessConfig config = new AccessConfig ( ) ; config . setType ( NETWORK_INTERFACE_CONFIG ) ; config . setName ( NETWORK_ACCESS_CONFIG ) ; configs . add ( config ) ; ifc . setAccessConfigs ( configs ) ; instance . setNetworkInterfaces ( Collections . singletonList ( ifc ) ) ; AttachedDisk disk = new AttachedDisk ( ) ; disk . setBoot ( true ) ; disk . setAutoDelete ( true ) ; disk . setType ( DISK_TYPE_PERSISTENT ) ; AttachedDiskInitializeParams params = new AttachedDiskInitializeParams ( ) ; params . setSourceImage ( SOURCE_IMAGE ) ; params . setDiskType ( String . format ( DISK_TYPE , projectId , zoneId ) ) ; disk . setInitializeParams ( params ) ; instance . setDisks ( Collections . singletonList ( disk ) ) ; ServiceAccount account = new ServiceAccount ( ) ; account . setEmail ( userEmail ) ; account . setScopes ( scopes ) ; instance . setServiceAccounts ( Collections . singletonList ( account ) ) ; return instance ; }
target:  Create an instance template for later provisioning.