import { ColumnOptions } from 'typeorm/decorator/options/ColumnOptions';
export declare function timestamp(value?: number): number;
export declare function strToTimeStamp(str: string | Date): number;
export declare function getTodayTimeStamp(): {
    startTime: number;
    endTime: number;
};
export declare function unixtimestampToDate(value: number): Date;
export declare function formatDateTime(value: number | string, format?: string, holder?: string | null): string;
export declare function timestampColumn(name: string): ColumnOptions;