import dayjs from 'dayjs';
import { ColumnType } from './Api';
export declare const dateMonthFormats: string[];
export declare const timeFormats: string[];
export declare const dateFormats: string[];
export declare const isDateMonthFormat: (format: string) => boolean;
export declare function validateDateWithUnknownFormat(v: string): boolean;
export declare function getDateFormat(v: string): string;
export declare function getDateTimeFormat(v: string): string;
export declare function parseStringDate(v: string, dateFormat: string): string;
export declare function parseStringDateTime(v: string, dateTimeFormat?: string, toLocal?: boolean): string;
export declare function convertToTargetFormat(v: string, oldDataFormat: any, newDateFormat: string): string;
export declare const handleTZ: (val: any) => any;
export declare function validateDateFormat(v: string): boolean;
export declare const timeAgo: (date: any) => string;
export declare const isValidTimeFormat: (value: string, format: string) => boolean;
export declare function constructDateTimeFormat(column: ColumnType): string;
export declare function constructDateFormat(column: ColumnType): any;
export declare function constructTimeFormat(column: ColumnType): any;
export declare function workerWithTimezone(isEeUI: boolean, timezone?: string): {
    dayjsTz(value?: string | number | null | dayjs.Dayjs, format?: string): dayjs.Dayjs;
    timezonize(value?: string | number | null | dayjs.Dayjs): any;
};
export declare const getDateTimeValue: (modelValue: string | null, col: ColumnType, isXcdbBase?: boolean) => string;
export declare const getDateValue: (modelValue: string | null | number, col: ColumnType, isSystemCol?: boolean) => string;