import { SubjectDataSetColumn } from '@/services/data/tuples/subject-types' ; export enum ColumnEventTypes { ALIAS_CHANGED = 'alias-changed' , CONTENT_CHANGED = 'content-changed' } export interface ColumnEventBus { fire ( type , column ) : this ; on ( type , listener ) : this ; off ( type , listener ) : this ; fire ( type , column ) : this ; on ( type , listener ) : this ; off ( type , listener ) : this ; }