import { Market } from '@ionic-native/market' ; export class MarketMock extends Market { param appId { string } return { Promise < any > } open ( appId ) { return new Promise ( ( resolve , reject ) => { resolve ( ) ; } ) ; } ; param keyword { string } return { Promise < any > } search ( keyword ) { return new Promise ( ( resolve , reject ) => { resolve ( ) ; } ) ; } ; }