src/app/model/historical-shift-changes.ts

import { HistoricalResponsibility } from './historical-responsibility';

export class HistoricalShiftChanges {
    
    /** begin of the specified period */
    startDate: string;

    /** end of the specified period */
    endDate: string;
 
    /** Collection of historical shift change documentation data. */ 
    historicalResponsibilities: HistoricalResponsibility[];  

}