Typescript error for firebase

Hello, friend i am working on a project, i need to connect the app to firebase database. but i am getting the following error, but i don’t know how to solve it. Please help me fast, its too urgent i don’t have much time

Typescript Error
Module '"C:/ionic 2/CriminalList/node_modules/angularfire2/index"' has no exported member 'AngularFire'.
C:/ionic 2/CriminalList/src/pages/home/home.ts
import { NavController } from 'ionic-angular';
import { AngularFire } from 'angularfire2';
import { FirebaseListObservable } from 'angularfire2';
Typescript Error
Module '"C:/ionic 2/CriminalList/node_modules/angularfire2/index"' has no exported member 'FirebaseListObservable'.
C:/ionic 2/CriminalList/src/pages/home/home.ts
import { AngularFire } from 'angularfire2';
import { FirebaseListObservable } from 'angularfire2';

What version of af2 are you using?

Looks like you forgot to import the modules in your app.modules.ts.
And did you installed the firebase SDK too? And be sure you installed the latest release.

npm install firebase angularfire2 --save

i used it, while creating a new project. see my packages every thing available but still getting error

{
  "name": "diliberoandassociates",
  "version": "0.0.1",
  "author": "Ionic Framework",
  "homepage": "http://ionicframework.com/",
  "private": true,
  "scripts": {
    "clean": "ionic-app-scripts clean",
    "build": "ionic-app-scripts build",
    "lint": "ionic-app-scripts lint",
    "ionic:build": "ionic-app-scripts build",
    "ionic:serve": "ionic-app-scripts serve"
  },
  "dependencies": {
    "@angular/common": "4.1.0",
    "@angular/compiler": "4.1.0",
    "@angular/compiler-cli": "4.1.0",
    "@angular/core": "4.1.0",
    "@angular/forms": "4.1.0",
    "@angular/http": "4.1.0",
    "@angular/platform-browser": "4.1.0",
    "@angular/platform-browser-dynamic": "4.1.0",
    "@ionic-native/core": "3.7.0",
    "@ionic-native/splash-screen": "3.7.0",
    "@ionic-native/status-bar": "3.7.0",
    "@ionic/storage": "2.0.1",
    "angularfire2": "^4.0.0-rc.0",
    "ionic-angular": "3.2.1",
    "ionicons": "3.0.0",
    "rxjs": "5.1.1",
    "sw-toolbox": "3.6.0",
    "zone.js": "0.8.10"
  },
  "devDependencies": {
    "@ionic/app-scripts": "^1.3.7",
    "@ionic/cli-plugin-cordova": "1.0.0",
    "@ionic/cli-plugin-ionic-angular": "1.0.0",
    "typescript": "2.2.1"
  },
  "cordovaPlugins": [
    "cordova-plugin-whitelist",
    "cordova-plugin-console",
    "cordova-plugin-statusbar",
    "cordova-plugin-device",
    "cordova-plugin-splashscreen",
    "cordova-plugin-keyboard"
  ],
  "cordovaPlatforms": [
    "ios",
    {
      "platform": "ios",
      "version": "",
      "locator": "ios"
    }
  ],
  "description": "An Ionic project"
}

I am using angularfire2 “angularfire2”: “^4.0.0-rc.0”

Then you need to import different libraries for different features. Pretty much all blog posts about AngularFire2 are now wrong. Look at section 6 of the official install docs. That’s an example of how you have to import now.
https://github.com/angular/angularfire2/blob/master/docs/1-install-and-setup.md

it didn’t help me still facing the same problems, i don’t know why

you do not have firebase in your dependencies. do npm install firebase --save

still having the same errro

Typescript Error
Module '"C:/ionic 2/BookList/node_modules/angularfire2/index"' has no exported member 'AngularFire'.
C:/ionic 2/BookList/src/pages/home/home.ts
import { NavController } from 'ionic-angular';
import { AngularFire, FirebaseListObservable } from 'angularfire2';
import { AngularFireDatabase, FirebaseListObservable } from "angularfire2/database-deprecated";