code: @BetaApi
    public final ListNodesNodeGroupsPagedResponse listNodesNodeGroups(
        ProjectZoneNodeGroupName nodeGroup) {
      ListNodesNodeGroupsHttpRequest request =
          ListNodesNodeGroupsHttpRequest.newBuilder()
              .setNodeGroup(nodeGroup == null ? null : nodeGroup.toString())
              .build();
      return listNodesNodeGroups(request);
    }
docs: Lists nodes in the node group.
  
  <p>Sample code:
  
  <pre><code>
  try (NodeGroupClient nodeGroupClient = NodeGroupClient.create()) {
  ProjectZoneNodeGroupName nodeGroup = ProjectZoneNodeGroupName.of("[PROJECT]", "[ZONE]", "[NODE_GROUP]");
  for (NodeGroupNode element : nodeGroupClient.listNodesNodeGroups(nodeGroup).iterateAll()) {
  // doThingsWith(element);
  }
  }
  </code></pre>
  
  @param nodeGroup Name of the NodeGroup resource whose nodes you want to list.
  @throws com.google.api.gax.rpc.ApiException if the remote call fails