code: private static OrderedJSONObject setCommonOpenTypesStructureObject(OrderedJSONObject obj) {
          obj.put("openTypeClass", "string");
          obj.put("className", "string");
          obj.put("typeName", "string");
          obj.put("description", "string");
  
          return obj;
      }
docs: Sets common structure to JSON objects for openTypeStructure element
  {
  "openTypeClass": "string",
  "className": "string",
  "typeName": "string",
  "description": "string"
  }
  
  @param obj objects to be added here
  @return OrderedJSONObject