@java.lang.Override
      public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
        return super.clearField(field);
      }
<pre>
Specifies the configuration for a cross-bucket replication job. Cross-bucket
replication copies new or updated objects from a source Cloud Storage bucket
to a destination Cloud Storage bucket. Existing objects in the source bucket
are not copied by a new cross-bucket replication job.
</pre>

Protobuf type {@code google.storagetransfer.v1.ReplicationSpec}
java-storage-transfer/proto-google-cloud-storage-transfer-v1/src/main/java/com/google/storagetransfer/v1/proto/TransferTypes.java