Map<Address, Map<StorageSlotKey, PathBasedValue<UInt256>>> getStorage() {
    return storage;
  }
This class encapsulates the changes that are done to transition one block to the next. This
includes serialization and deserialization tasks for storing this log to off-memory storage.

<p>In this particular formulation only the "Leaves" are tracked Future layers may track patricia
trie changes as well.
ethereum/core/src/main/java/org/hyperledger/besu/ethereum/trie/pathbased/common/trielog/TrieLogLayer.java