/**
* @file Healing Component
*/
-import { isNullOrUndefined } from 'util';
import { HttpHeaders } from '@angular/common/http';
import { Component, Injector, Input, OnInit } from '@angular/core';
import { AbstractControl, FormArray, FormBuilder, FormGroup, Validators } from '@angular/forms';
import { environment } from 'environment';
import { VDUMAP, VDUMAPPINGS } from 'NSInstanceModel';
import { RestService } from 'RestService';
-import { SharedService } from 'SharedService';
+import { SharedService, isNullOrUndefined } from 'SharedService';
import { InstanceData, VDUR, VNFInstanceDetails } from 'VNFInstanceModel';
/**
* Creating component