Ts declartion excepted this error shows in main.ts page

Question

Main.ts code as follows

 

import { NgModule } from '@angular/core';

import {BrowserModule} from '@angular/platform-browser';

import {FormsModule} from '@angular/forms';

import {HttpModule} from '@angular/http';

import {platformBrowserDynamic} from '@angular/platform-browser-dynamic';

import { AppComponent } from './app/app.component';

import {EmployeeService} from './app/app.service';

import { enableProdMode } from '@angular/core';

import { environment } from './environments/environment';

import { AppModule } from './app/app.module';

import { Component } from '@angular/core/src/metadata/directives';

if (environment.production) {

enableProdMode();

}

@NgModule({

imports: [BrowserModule, FormsModule, HttpModule],

declarations: [AppComponent],

providers: [EmployeeService]

})

platformBrowserDynamic().bootstrapModule(AppModule);

 

when i run the above code shows error as follows

 

ts declartion excepted

 

what is the mistake in my above code.