}
@Override
public SnapshotDiffReport getSnapshotDiffReport(String snapshotRoot,
String fromSnapshot, String toSnapshot) throws IOException {
GetSnapshotDiffReportRequestProto req = GetSnapshotDiffReportRequestProto
.newBuilder().setSnapshotRoot(snapshotRoot)
.setFromSnapshot(fromSnapshot).setToSnapshot(toSnapshot).build();
try {
GetSnapshotDiffReportResponseProto result =
rpcProxy.getSnapshotDiffReport(null, req);