/**
* @file Instantiate NS Modal Component.
*/
-import { isNullOrUndefined } from 'util';
import { Component, ElementRef, Injector, OnInit, ViewChild } from '@angular/core';
import { FormBuilder, FormGroup, Validators } from '@angular/forms';
import { Router } from '@angular/router';
import * as jsyaml from 'js-yaml';
import { NSCREATEPARAMS, NSData, NSDDetails } from 'NSDModel';
import { RestService } from 'RestService';
-import { SharedService } from 'SharedService';
+import { SharedService, isNullOrUndefined } from 'SharedService';
import { VimAccountDetails } from 'VimAccountModel';
/**