public com.google.protobuf.Timestamp.Builder getUpdateTimeBuilder() {
      bitField0_ |= 0x00000008;
      onChanged();
      return getUpdateTimeFieldBuilder().getBuilder();
    }
<pre>
Output only. The last time cross instance replication config was updated.
</pre>

<code>
.google.protobuf.Timestamp update_time = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
</code>
java-valkey/proto-google-cloud-valkey-v1/src/main/java/com/google/cloud/memorystore/v1/CrossInstanceReplicationConfig.java