typescript - Angular2 give error Argument of type 'ElementRef' is not assignable to parameter of type 'ViewContainerRef' -

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i'm creating angular2 app using angular-cli, when use constructor below give error this

error

argument of type 'elementref' not assignable parameter of type 'viewcontainerref'. property 'element' missing in type 'elementref'.

my constructor 

constructor( _elementref: elementref, _loader: dynamiccomponentloader,_parentrouter: router, @attribute('name') nameattr: string,  private userservice: logincomponent)  {     super( _elementref, _loader, _parentrouter, nameattr);      this.parentrouter = _parentrouter;     this.publicroutes = ['', 'login', 'signup']; }

what wrong code?. i'm using angular2 rc.3

add viewcontainerref import constructor , use using elementref.

apparently has changed , cannot pass elementref viewcontainerref.

import {component, dynamiccomponentloader, elementref, viewcontainerref} '@angular/core';  ....  constructor( _elementref: elementref, _viewcontainerref: viewcontainerref, _loader: dynamiccomponentloader, ...)  {     super(_viewcontainerref, _loader, ...); }

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