.strategy(BackupConfiguration.BackupStrategy.SYNC)
.sites().addInUseBackupSite("NYC");
ConfigurationBuilder someCache = getDefaultClusteredCacheConfig(CacheMode.DIST_SYNC, true);
GlobalConfigurationBuilder nycGc = GlobalConfigurationBuilder.defaultClusteredBuilder();
nycGc.site().localSite("NYC");
ConfigurationBuilder nycDefault = getDefaultClusteredCacheConfig(CacheMode.DIST_SYNC, true);
nycDefault.sites().addBackup()
.site("LON")
.strategy(BackupConfiguration.BackupStrategy.SYNC)
.sites().addInUseBackupSite("LON");