public boolean isChanged() {
        return isDeletedInTx.get() || isModifiedInTx.get() && transactionUpdatedValue.get() != null;
    }
Needed to understand if the element has changed in the current transaction
tinkergraph-gremlin/src/main/java/org/apache/tinkerpop/gremlin/tinkergraph/structure/TinkerElementContainer.java