angular - 'Headers' has no properties in common with type 'RequestOptionsArgs' -


i upgraded angular libraries 4.3.6 , tslint 5.7.0 , below error while building angular app .

i not using requestoptionsargs in code below below error

error

type 'headers' has no properties in common type 'requestoptionsargs'.

my angular service code below

import { injectable } '@angular/core'; import {summary} './summary'; import {http, headers, response} '@angular/http'; import { observable } 'rxjs/observable'; import {selectitem} "primeng/primeng"; import {exceptionhandle} "../util/exceptionhandle"; import {myconst} "../util/constants";  @injectable() export class myservice {    private myurl= myconst.reconurl.url;   private headers: headers = new headers({"content-type'" : 'application/json',                             'accept': 'application/json',                             'access-control-allow-origin':'*',                             'access-control-allow-credentials':'true'   });    getsummaries(): observable<summary[]> {     return this.http.get(this.reconurl + '/summaries', this.headers)       .map((response: response) => <summary[]> response.json())       .catch(this.handleerror);   }    private handleerror(error: any): promise<any> {     return exceptionhandle.handleerror(error);   }  }

you passed headers parameter in wrong place. should pass headers property of requestoptionsargs object in http.get method

return this.http.get(this.reconurl + '/summaries', { headers: this.headers })

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