References
CPS-2146 - Getting issue details... STATUS
Background
The read APIs in CPS Core (cps-service and cps-ri) return Collection<DataNode>:
Collection<DataNode> queryDataNodes(String dataspaceName, String anchorName, String cpsPath, FetchDescendantsOption fetchDescendantsOption); Collection<DataNode> getDataNodes(String dataspaceName, String anchorName, String xpath, FetchDescendantsOption fetchDescendantsOption); Collection<DataNode> getDataNodesForMultipleXpaths(String dataspaceName, String anchorName, Collection<String> xpaths, FetchDescendantsOption fetchDescendantsOption);