FetchDescendantsOption fetchDescendantsOption);
/**
- * Updates data node for given dataspace and anchor using xpath to parent node.
+ * Updates data node for given dataspace and anchor using xpath to parent node. This method can currently
+ * update only one top level data node. The method will throw DataValidationException when more than one top level
+ * data nodes are provided in jsonData
*
* @param dataspaceName dataspace name
* @param anchorName anchor name