public Builder mergeCrossInstanceReplicationConfig(
        com.google.cloud.memorystore.v1.CrossInstanceReplicationConfig value) {
      if (crossInstanceReplicationConfigBuilder_ == null) {
        if (((bitField0_ & 0x10000000) != 0)
            && crossInstanceReplicationConfig_ != null
            && crossInstanceReplicationConfig_
                != com.google.cloud.memorystore.v1.CrossInstanceReplicationConfig
                    .getDefaultInstance()) {
          getCrossInstanceReplicationConfigBuilder().mergeFrom(value);
        } else {
          crossInstanceReplicationConfig_ = value;
        }
      } else {
        crossInstanceReplicationConfigBuilder_.mergeFrom(value);
      }
      if (crossInstanceReplicationConfig_ != null) {
        bitField0_ |= 0x10000000;
        onChanged();
      }
      return this;
    }
<pre>
Optional. The config for cross instance replication.
</pre>

<code>
.google.cloud.memorystore.v1.CrossInstanceReplicationConfig cross_instance_replication_config = 33 [(.google.api.field_behavior) = OPTIONAL];
</code>
java-valkey/proto-google-cloud-valkey-v1/src/main/java/com/google/cloud/memorystore/v1/Instance.java