ng19-date-picker/lib/date-picker/date-picker.api.d.ts

https://github.com/vlio20/angular-datepicker

import { SingleCalendarValue } from '../common/types/single-calendar-value';
export interface IDpDayPickerApi {
    open: () => void;
    close: () => void;
    moveCalendarTo: (date: SingleCalendarValue) => void;
}