import { DateTimePickerTypes } from '../components/datetimepicker/datetime-picker-types';
export declare const range: (start: any, end: any, step?: number) => any[];
export declare const EMPTY_SELECTIONRANGE: {
    start: null;
    end: null;
};
export declare const getToday: () => Date;
export declare const isInSelectionRange: (value: any, selectionRange: any) => boolean;
export declare const isInRange: (dt: any, min: any, max: any) => boolean;
export declare const firstYearOfDecade: (dt: any, localeId?: any) => Date;
export declare const lastYearOfDecade: (dt: any, localeId?: any) => Date;
export declare const firstDayOfMonth: (dt: any, localeId?: any) => Date;
export declare const lastDayOfMonth: (dt: any, localeId?: any) => Date;
export declare const firstDecadeOfCentury: (dt: any, localeId?: any) => Date;
export declare const lastDecadeOfCentury: (dt: any, localeId?: any) => Date;
export declare const shiftWeekNames: (names: any, offset: any) => any;
export declare var Action: any;
export declare const isPresent: (value: any) => boolean;
export declare const dateTimeToString: (dt?: Date, type?: DateTimePickerTypes) => string;