public String getPath() {
    return path;
  }
Wrapper to adapt items known to be in temp storage (e.g. BLOB data) into {@link DownloadableItem}

<p>It's useful to wrap such items so upstream code can consume either known temp store'd items or
items the Importer has to download itself (some MEDIA items) from the same interface.
extensions/data-transfer/portability-data-transfer-generic/src/main/java/org/datatransferproject/datatransfer/generic/BlobbySerializer.java