class MasterBackendDvrDataStore implements DvrDataStore {

    @Override
    public Observable<List<TitleInfoEntity>> titleInfoEntityList() {
        Log.d( TAG, "titleInfoEntityList : enter" );

        return this.api.titleInfoEntityList()
                .doOnError( e -> Log.e( TAG, "titleInfoEntityList : error", e ) );
    }

    public  MasterBackendDvrDataStore( final DvrApi api );

}