import { type DateFieldView } from './calendarUtils.js';
type RoundingUnit = 'day' | 'hour' | 'minute' | 'second' | 'millisecond';
type RoundingMode = 'nearest' | 'floor' | 'ceil' | 'trunc';
interface DateTimeFieldView extends DateFieldView {
    hour?: number;
    minute?: number;
    second?: number;
    millisecond?: number;
}
export interface RoundOptions {
    unit: RoundingUnit;
    mode?: RoundingMode;
    roundingIncrement?: number;
}
export declare function round(value: unknown, options: RoundOptions): DateTimeFieldView;
export declare function floor(value: unknown, unit: RoundingUnit, roundingIncrement?: number): DateTimeFieldView;
export declare function ceil(value: unknown, unit: RoundingUnit, roundingIncrement?: number): DateTimeFieldView;
export declare function truncate(value: unknown, unit: RoundingUnit, roundingIncrement?: number): DateTimeFieldView;
export interface DurationFields {
    years?: number;
    months?: number;
    weeks?: number;
    days?: number;
    hours?: number;
    minutes?: number;
    seconds?: number;
    milliseconds?: number;
    microseconds?: number;
    nanoseconds?: number;
}
export declare function fieldToNs(v: number, nsPer: bigint, field: string): bigint;
type DurationUnit = 'years' | 'months' | 'weeks' | 'days' | 'hours' | 'minutes' | 'seconds' | 'milliseconds' | 'microseconds' | 'nanoseconds';
export declare function roundDuration(duration: DurationFields, options: {
    unit: DurationUnit;
    mode?: RoundingMode;
    roundingIncrement?: number;
}): DurationFields;
export {};