graph G {
  Transaction_snark_work -- Transaction_snark_scan_state -- Parallel_scan_state -- Parallel_scan_state_diff;
  Staged_ledger -- Transaction_snark_scan_state;
  Parallel_scan_state_diff -- Staged_ledger_diff;
  Staged_ledger -- Merkle_tree -- Merkle_tree_diff -- Staged_ledger_diff;
}
