anchor.diff:     *
      *     getEndopintByID((agent) => showEndpointDetails(agent), "A-1E6B9-5P8TQ-HJ9JKDL0Y.733");
      */
  -  void getEndopintByID(Function callback(Endpoint endpoint), String id) {
  -    
  -  }
  +//  void getEndopintByID(Function callback(Endpoint endpoint), String id) {
  +//    
  + // }
     
  -  void getUserByID(Function callback(User user), String id) {
  -    
  -  }
  +//  void getUserByID(Function callback(User user), String id) {
  + //   
  + // }
     
     /**
      * Retrives all endopint types: system defaults and defined by user.
  
positive.code:   }
    
    /**
     * Retrives only new endpoints - the ones without assigned endpoint type.
     * The call back provided returns response wrapper Endpoints which
     * in case of error holds RequestFault object and has hasError() flag set 'true'.
     *
     *     getNewEndopints((endpoints) => showNewEndpoints(endpoints));
     */
    void getNewEndopints(Function callback(Endpoints endpoints)) {
  
    }
    
    /**
     * Retrives all endpoints - the ones with assigned endpoint type.
     * The call back provided returns response wrapper Endpoints which
     * in case of error holds RequestFault object and has hasError() flag set 'true'.
     *
     *     getEndopints((endpoints) => showEndpoints(endpoints));
     */
    void getEndopints(Function callback(Endpoints endpoints)) {
      
    }
    
    /**
     * Retrives endopint with requested ID.
  
negative.code: import '../models/endpoints.dart';
  import '../models/endpointtypes.dart';
  import '../models/delete.dart';
  import '../models/values.dart';
  import "package:restful/restful.dart";
  import 'request_wrapper.dart';
  import 'package:logging/logging.dart';
  
  Logger _logger = new Logger("restful.request_helper");
  
  class JHUB1OnlineServices extends Service {
    
    static const String RESOURCE_AGENTS = "agents";
    static const String RESOURCE_ENDPOINTS = "endpoints";
    static const String RESOURCE_VALUES = "values";
    
    ModelTransform<Agent> agentAPI;
    ModelTransform<Agents> agentsAPI; 
    ModelTransform<Values> valuesAPI;
    
    JHUB1OnlineServices() {
      var api = new RestApi(apiUri: "http://127.0.0.1:8081/mock0", format: new JsonFormat());
  