Table replication states.
public enum ReplicationState
The cluster was recently created, and the table must finish copying over pre-existing data from other clusters before it can begin receiving live replication updates and serving Data API requests.
The table is temporarily unable to serve Data API requests from this cluster due to planned internal maintenance.
The table can serve Data API requests from this cluster. Depending on replication delay, reads may not immediately reflect the state of the table in other clusters.
The replication state of the table is unknown in this cluster.
The table is temporarily unable to serve Data API requests from this cluster due to unplanned or emergency maintenance.