Error in ts file

Hai Guys,
I am trying to call Json Data in the constructor (public httpProvider:JasonData) but i am getting an error
can please help me out of this

import { Component } from ‘@angular/core’;
import { IonicPage, NavController, NavParams } from ‘ionic-angular’;
import {JsonData} from ‘…/…/providers/jsondata’;

@IonicPage()
@Component({
selector: ‘page-item-details’,
templateUrl: ‘item-details.html’,
providers:[JsonData],
})
export class ItemDetails {
newsData:any
constructor(public navCtrl: NavController, public navParams: NavParams, public httpProvider:JsonData) {
this.httpProvider.getJsonData().subscribe(
result => {
this.newsData=result;
console.log("Success : "+this.newsData);
console.log(this.newsData.TOTAL);
},
err =>{
console.error("Error : "+err);
} ,
() => {
console.log(‘getData completed’);
}
)
}

ionViewDidLoad() {
console.log(‘ionViewDidLoad ItemDetails’);

}

}