public com.google.storagetransfer.v1.proto.TransferTypes.ReplicationSpecOrBuilder
          getReplicationSpecOrBuilder() {
        if (replicationSpecBuilder_ != null) {
          return replicationSpecBuilder_.getMessageOrBuilder();
        } else {
          return replicationSpec_ == null
              ? com.google.storagetransfer.v1.proto.TransferTypes.ReplicationSpec
                  .getDefaultInstance()
              : replicationSpec_;
        }
      }
<pre>
Replication specification.
</pre>

<code>.google.storagetransfer.v1.ReplicationSpec replication_spec = 17;</code>
java-storage-transfer/proto-google-cloud-storage-transfer-v1/src/main/java/com/google/storagetransfer/v1/proto/TransferTypes.java