import { roundDuration, type DurationFields } from './rounding.js';
import { formatDuration } from './formatDuration.js';
export { roundDuration };
export type { DurationFields };
export interface DurationPart {
    type: 'literal' | 'token';
    value: string;
    token?: string;
}
export declare function formatDurationToParts(duration: Record<string, unknown>, formatStr: string, options?: Parameters<typeof formatDuration>[2]): DurationPart[];
export declare function parseISODuration(input: string): DurationFields;
export declare function formatISODuration(duration: DurationFields): string;
export declare function parseDuration(input: string, formatStr: string, options?: {
    locale?: string;
}): DurationFields;
export declare function balanceDuration(duration: DurationFields): DurationFields;
export declare function totalDuration(duration: DurationFields, unit: 'days' | 'hours' | 'minutes' | 'seconds' | 'milliseconds' | 'microseconds' | 'nanoseconds'): number;
export declare function compareDuration(a: DurationFields, b: DurationFields): number;
export declare function addDuration(a: DurationFields, b: DurationFields): DurationFields;
export declare function subtractDuration(a: DurationFields, b: DurationFields): DurationFields;