@java.lang.Override
    public int getSerializedSize() {
      int size = memoizedSize;
      if (size != -1) return size;

      size = 0;
      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(bucketName_)) {
        size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, bucketName_);
      }
      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(path_)) {
        size += com.google.protobuf.GeneratedMessageV3.computeStringSize(3, path_);
      }
      if (managedFolderTransferEnabled_ != false) {
        size +=
            com.google.protobuf.CodedOutputStream.computeBoolSize(4, managedFolderTransferEnabled_);
      }
      size += getUnknownFields().getSerializedSize();
      memoizedSize = size;
      return size;
    }
<pre>
Preview. Enables the transfer of managed folders between Cloud Storage
buckets. Set this option on the gcs_data_source.

If set to true:

- Managed folders in the source bucket are transferred to the
  destination bucket.
- Managed folders in the destination bucket are overwritten. Other
  OVERWRITE options are not supported.

See
[Transfer Cloud Storage managed
folders](/storage-transfer/docs/managed-folders).
</pre>

<code>bool managed_folder_transfer_enabled = 4;</code>

@return The managedFolderTransferEnabled.
java-storage-transfer/proto-google-cloud-storage-transfer-v1/src/main/java/com/google/storagetransfer/v1/proto/TransferTypes.java