+ * @param dataNodeXpath data node xpath
+ * @param observedTimestamp observed timestamp
+ */
+ void deleteDataNode(String dataspaceName, String anchorName, String dataNodeXpath,
+ OffsetDateTime observedTimestamp);
+
+ /**
+ * Deletes all data nodes for a given anchor in a dataspace.
+ *
+ * @param dataspaceName dataspace name
+ * @param anchorName anchor name
+ * @param observedTimestamp observed timestamp
+ */
+ void deleteDataNodes(String dataspaceName, String anchorName, OffsetDateTime observedTimestamp);
+
+ /**
+ * Deletes a list or a list-element under given anchor and dataspace.
+ *
+ * @param dataspaceName dataspace name
+ * @param anchorName anchor name
+ * @param listElementXpath list element xpath
+ * @param observedTimestamp observedTimestamp
+ */
+ void deleteListOrListElement(String dataspaceName, String anchorName, String listElementXpath,
+ OffsetDateTime observedTimestamp);
+
+ /**
+ * Updates leaves of DataNode for given dataspace and anchor using xpath, along with the leaves of each Child Data
+ * Node which already exists. This method will throw an exception if data node update or any descendant update does
+ * not exist.
+ *
+ * @param dataspaceName dataspace name
+ * @param anchorName anchor name
+ * @param parentNodeXpath xpath