RequireSystemTenantOrClusterSetting returns a setting disabled error if executed from inside a secondary tenant that does not have the specified cluster setting.

DefaultPrimaryRegionClusterSettingName is the name of the cluster setting that returns the default primary region.

CachedSequencesCacheSizeSetting is the default cache size used when SessionNormalizationMode is SerialUsesCachedSQLSequences or SerialUsesCachedNodeSQLSequences.

DefaultPrimaryRegion is a cluster setting that contains the default primary region.

MultiRegionSystemDatabaseEnabled controls if system tenants are allowed to be set up to be multi-region.

PublicSchemaCreatePrivilegeEnabled is the cluster setting that determines whether the CREATE privilege is given to the `public` role on the `public` schema at the time the schema is created.

RestrictAccessToSystemInterface restricts access to certain SQL features from the system tenant/interface.

SecondaryTenantsAllZoneConfigsEnabled is an extension of SecondaryTenantZoneConfigsEnabled that allows virtual clusters to modify all type of constraints in zone configs (i.e.

SecondaryTenantZoneConfigsEnabled controls if secondary tenants are allowed to set zone configurations.