NodeIdConversions { @Nonnull static ExpandedNodeId nodeIdToExpandedNodeId(@Nonnull NodeId nodeId) { return nodeId.expanded(); } private  NodeIdConversions();   }
@Test public void testNodeIdToExpandedNodeId() { NodeId nodeId = new NodeId(0, "foo"); ExpandedNodeId expanded = nodeId.expanded(); assertEquals(nodeIdToExpandedNodeId(nodeId), expanded); }