ImprovedTransactionData with methods for nodes only, JavaDoc ommitted

ImprovedTransactionData.java

public interface ImprovedTransactionData {

    boolean hasBeenCreated(Node node);
    Collection<Node> getAllCreatedNodes();
    
    boolean hasBeenDeleted(Node node);
    Node getDeleted(Node node);
    Collection<Node> getAllDeletedNodes();

    boolean hasBeenChanged(Node node);
    Change<Node> getChanged(Node node);
    Collection<Change<Node>> getAllChangedNodes();

    boolean hasPropertyBeenCreated(Node node, String key);
    Map<String, Object> createdProperties(Node node);
    
    boolean hasPropertyBeenDeleted(Node node, String key);
    Map<String, Object> deletedProperties(Node node);

    boolean hasPropertyBeenChanged(Node node, String key);
    Map<String, Change<Object>> changedProperties(Node node);

    //and the same for relationships    
}