import moment from 'moment';
export declare type Duration = number | moment.Duration;
/**
 * Represents a duration, however each unit is treated as the remainder
 * starting from the largest possible one. In other words, it is setup
 * just like how a person would say how much time has passed.
 *
 * Rounds all numbers to two decimal places as the main intended purpose is for
 * printing output rather than internal programmatic use.
 *
 * @class FormattedDuration
 */
declare class FormattedDuration {
    /**
     * Gets the amount of milliseconds in the duration rounded to the number
     * of digits provided by precision.
     */
    readonly milliseconds: number;
    private static getUnitAndAmount;
    private static nonMsUnitAndAmounts;
    /**
     * Gets the amount of seconds in the duration rounded to the number
     * of digits provided by precision.
     */
    readonly seconds: number;
    /**
     * Gets the amount of minutes in the duration rounded to the number
     * of digits provided by precision.
     */
    readonly minutes: number;
    /**
     * Gets the amount of hours in the duration rounded to the number
     * of digits provided by precision. Since hours is the largest unit
     * that FormattedDuration supports, anything larger than an hour will
     * simply be in this function. For example: the information that
     * the duration is 5 days long would be found here as: 120 hours.
     */
    readonly hours: number;
    private static _pluralizeIfNeeded;
    private static _isNumber;
    private static _roundNumber;
    private _duration;
    constructor(duration: Duration);
    toString(): string;
    private getNonEmptyUnitAndAmounts;
    private stringifyUnits;
    private _stringifyAmounts;
}
export default FormattedDuration;