public SyncFolderItemsResponseType syncFolderItems(final SyncFolderItemsType syncFolderItems,
final String targetUser)
throws ServiceCallException, HttpErrorException
{
EnvelopeDocument request = createEmptyRequest(targetUser);
EnvelopeType envelope = request.getEnvelope();
envelope.addNewBody().setSyncFolderItems(syncFolderItems);
return sendRequest(request).getSyncFolderItemsResponse();
}