includeReplicas property
Include_replicas indicates the order of replicas (as they appear in this
list) to process the request.
If auto_failover_disabled is set to true and all replicas are
exhausted without finding a healthy replica, Spanner waits for a replica
in the list to become available, requests might fail due to
DEADLINE_EXCEEDED errors.
Implementation
IncludeReplicas? includeReplicas;