private String makeSnapshotRequest(Multimap<Long, Long> sourceToDests)
{
StreamSnapshotRequestConfig.Stream stream =
new StreamSnapshotRequestConfig.Stream(sourceToDests, null);
StreamSnapshotRequestConfig config =
new StreamSnapshotRequestConfig(SnapshotUtil.getTablesToSave(m_catalog), Arrays.asList(stream), false);
return makeSnapshotRequest(config);
}