/// <summary>
 /// Browse set of unique target nodes
 /// </summary>
 /// <remarks>
 /// Browse the set of unique hierarchically referenced target nodes on the
 /// endpoint. The endpoint must be activated and connected and the module
 /// client and server must trust each other. The root node id to browse from
 /// can be provided as part of the query parameters. If it is not provided, the
 /// RootFolder node is browsed. Note that this is the same as the POST method
 /// with the model containing the node id and the targetNodesOnly flag set to
 /// true.
 /// </remarks>
 /// <param name='operations'>
 /// The operations group for this extension method.
 /// </param>
 /// <param name='endpointId'>
 /// The identifier of the activated endpoint.
 /// </param>
 /// <param name='nodeId'>
 /// The node to browse or omit to browse the root node (i=84)
 /// </param>
 /// <param name='cancellationToken'>
 /// The cancellation token.
 /// </param>
 public static async Task <BrowseResponseApiModel> GetSetOfUniqueNodesAsync(this IAzureOpcTwinClient operations, string endpointId, string nodeId = default(string), CancellationToken cancellationToken = default(CancellationToken))
 {
     using (var _result = await operations.GetSetOfUniqueNodesWithHttpMessagesAsync(endpointId, nodeId, null, cancellationToken).ConfigureAwait(false))
     {
         return(_result.Body);
     }
 }