/**
* @file Header Component
*/
-import { isNullOrUndefined } from 'util';
import { Component, Injector, OnInit } from '@angular/core';
import { NgbModal, NgbModalRef } from '@ng-bootstrap/ng-bootstrap';
import { TranslateService } from '@ngx-translate/core';
import { environment } from 'environment';
import { ProjectService } from 'ProjectService';
import { Observable } from 'rxjs';
-import { SharedService } from 'SharedService';
+import { SharedService, isNullOrUndefined } from 'SharedService';
import { UserSettingsComponent } from 'UserSettingsComponent';
/**