import { StatisticsModel } from './statisticsmodel' ; export class ZeroStatisticsModel implements StatisticsModel { getRepertoireFinishLineCount ( ) { return Promise . resolve ( 0 ) ; } getRepertoireRightMoveCount ( ) { return Promise . resolve ( 0 ) ; } getRepertoireWrongMoveCount ( ) { return Promise . resolve ( 0 ) ; } getRightMoveCount ( ) { return Promise . resolve ( 0 ) ; } getWrongMoveCount ( ) { return Promise . resolve ( 0 ) ; } }