import { ListRow } from '../../datatypes/list-row' ; import { Record } from '../../datatypes/record' ; export class BaseSorter { arrangeSupported = false ; comparisionSupported = false ; constructor ( public colName ) { } moveUp ( records , recordsToMove , sort ) { } moveDown ( records , recordsToMove , sort ) { } comparator ( valueA , valueB , rowA , rowB ) { } alterNewRecord ( records , newRecords ) { } }