import { TapticEngine } from '@ionic-native/taptic-engine' ; export class TapticEngineMock extends TapticEngine { returns { Promise < any > } selection ( ) { return new Promise ( ( resolve , reject ) => { resolve ( ) ; } ) ; } ; param options param options . type { string } returns { Promise < any > } notification ( options ) { return new Promise ( ( resolve , reject ) => { resolve ( ) ; } ) ; } ; param options param options . type { string } returns { Promise < any > } impact ( options ) { return new Promise ( ( resolve , reject ) => { resolve ( ) ; } ) ; } ; }