+ /**
+ * Get data nodes for the given dataspace across all anchors by cps path.
+ *
+ * @param dataspaceName dataspace name
+ * @param cpsPath CPS path
+ * @param fetchDescendantsOption defines whether the descendants of the node(s) found by the query should be
+ * included in the output
+ * @param paginationOption pagination option
+ * @return a collection of data nodes
+ */
+ Collection<DataNode> queryDataNodesAcrossAnchors(String dataspaceName, String cpsPath,
+ FetchDescendantsOption fetchDescendantsOption,
+ PaginationOption paginationOption);
+
+ /**
+ * Query total number of anchors for given dataspace name and cps path.
+ * @param dataspaceName dataspace name
+ * @param cpsPath cps path
+ * @return total number of anchors for given dataspace name and cps path.
+ */
+ Integer countAnchorsForDataspaceAndCpsPath(String dataspaceName, String cpsPath);