/**
* @file Roles Create and Edit Component
*/
-import { isNullOrUndefined } from 'util';
import { HttpClient, HttpHeaders } from '@angular/common/http';
import { Component, Injector, Input, OnInit } from '@angular/core';
import { FormBuilder, FormGroup, Validators } from '@angular/forms';
import * as jsonpath from 'jsonpath';
import { RestService } from 'RestService';
import { Permission, PermissionGroup, RoleConfig, RoleData } from 'RolesModel';
-import { SharedService } from 'SharedService';
+import { SharedService, isNullOrUndefined } from 'SharedService';
/**
* Creating component