public abstract class KnowledgeGraphIdentifierInfo : ArcGIS.Core.CoreObjectsBase, System.IDisposable  

QueuedTask.Run(() =>
{
  //Create a connection properties
  var kg_props =
      new KnowledgeGraphConnectionProperties(new Uri(url));
  using (var kg = new KnowledgeGraph(kg_props))
  {
    //Get the KnowledgeGraph Data Model
    using (var kg_dm = kg.GetDataModel())
    {
      var kg_id_info = kg_dm.GetIdentifierInfo();
      var kg_id_gen = kg_id_info.GetIdentifierGeneration();
      if (kg_id_info is KnowledgeGraphNativeIdentifier kg_ni)
      {
        System.Diagnostics.Debug.WriteLine(
          $"IdentifierInfo: KnowledgeGraphNativeIdentifier");
      }
      else if (kg_id_info is KnowledgeGraphUniformIdentifier kg_ui)
      {
        System.Diagnostics.Debug.WriteLine(
          $"IdentifierInfo: KnowledgeGraphUniformIdentifier");
        System.Diagnostics.Debug.WriteLine(
          $"IdentifierName: '{kg_ui.GetIdentifierName()}'");
      }
      System.Diagnostics.Debug.WriteLine(
        $"Identifier MethodHint: {kg_id_gen.GetMethodHint()}");
    }
  }
});