public void Prepare(IReadService readService, out OperationStartupData data)
{
// We comoute how many blocks are needed.
uint allocations = tree.InspectForInserting(readService, index, before);
allocations += BlockHelper.MaxBlocksForObject(readService.BlockSize, (ulong)objectData.LongLength);
data = new OperationStartupData(tree.RootAddress, allocations);
}
