import * as moment from 'moment-timezone';
export declare const commify: (arr: string[]) => string;
export declare const renderDateTime: (date: Date | moment.Moment | undefined, tz: string) => string;
export declare const renderDate: (date: Date | moment.Moment | undefined, tz: string) => string;
export declare const renderDayAndTime: (date: Date | moment.Moment | undefined, tz: string) => string;