-public interface DataChangeEvent<P,D> extends DataChange<P, D>, Immutable {
+public interface DataChangeEvent<P extends Path<P>,D> extends DataChange<P, D>, Immutable {
+
+ /**
+ * Returns a orignal subtree of data, which starts at the path
+ * where listener was registered.
+ *
+ */
+ D getOriginalConfigurationSubtree();