private void InitializeNodeImport(Input_Estimates estimates, IdMapper idMapper, BatchingNeoStores neoStores)
{
long numberOfNodes = estimates.NumberOfNodes();
PrintStageHeader("(1/4) Node import", ESTIMATED_NUMBER_OF_NODES, count(numberOfNodes), ESTIMATED_DISK_SPACE_USAGE, bytes(NodesDiskUsage(estimates, neoStores) + estimates.SizeOfNodeProperties()), ESTIMATED_REQUIRED_MEMORY_USAGE, bytes(BaselineMemoryRequirement(neoStores) + defensivelyPadMemoryEstimate(idMapper.MemoryEstimation(numberOfNodes))));
// A difficulty with the goal here is that we don't know how much work there is to be done in id mapper preparation stage.
// In addition to nodes themselves and SPLIT,SORT,DETECT there may be RESOLVE,SORT,DEDUPLICATE too, if there are collisions
long goal = idMapper.NeedsPreparation() ? numberOfNodes + Weighted(IdMapperPreparationStage.NAME, numberOfNodes * 4) : numberOfNodes;
InitializeProgress(goal, ImportStage.NodeImport);
}