import { UnitGroupConfig, UnitConfig } from './types';
type DateUnits = 'datetime-iso' | 'datetime-us' | 'datetime-local' | 'date-iso' | 'date-us' | 'date-local' | 'time-local' | 'time-iso' | 'time-us' | 'relative-time' | 'unix-timestamp' | 'unix-timestamp-ms';
export type DateFormatOptions = {
    unit?: DateUnits;
    /**
     * The locale to use for formatting. Defaults to the system's locale.
     */
    locale?: string;
    /**
     * The timezone to use for formatting. Defaults to the user's local timezone.
     */
    timeZone?: string;
    /**
     * For relative time formatting, the reference time to compare against.
     * Defaults to current time.
     */
    referenceTime?: number;
    /**
     * This property is not used for date formatting, but is included for
     * compatibility with the FormatControls UI component.
     */
    decimalPlaces?: number;
};
export declare const DATE_GROUP_CONFIG: UnitGroupConfig;
export declare const DATE_UNIT_CONFIG: Readonly<Record<DateUnits, UnitConfig>>;
export declare function formatDate(value: number, options?: DateFormatOptions): string;
export {};
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