private void buildPartialOneofs(
          com.google.cloud.storagebatchoperations.v1.BucketList.Bucket result) {
        result.objectConfigurationCase_ = objectConfigurationCase_;
        result.objectConfiguration_ = this.objectConfiguration_;
        if (objectConfigurationCase_ == 2 && prefixListBuilder_ != null) {
          result.objectConfiguration_ = prefixListBuilder_.build();
        }
        if (objectConfigurationCase_ == 3 && manifestBuilder_ != null) {
          result.objectConfiguration_ = manifestBuilder_.build();
        }
      }
<pre>
Describes configuration of a single bucket and its objects to be
transformed.
</pre>

Protobuf type {@code google.cloud.storagebatchoperations.v1.BucketList.Bucket}
java-storagebatchoperations/proto-google-cloud-storagebatchoperations-v1/src/main/java/com/google/cloud/storagebatchoperations/v1/BucketList.java