export declare function pad(n: number, len: number): string;
export declare namespace pad {
    var fraction: (t: TemporalLike, width: number) => string;
}
export interface TemporalLike {
    year?: number;
    month?: number;
    day?: number;
    hour?: number;
    minute?: number;
    second?: number;
    millisecond?: number;
    microsecond?: number;
    nanosecond?: number;
    timeZoneId?: string;
    offset?: string;
    dayOfWeek?: number;
    calendarId?: string;
    toInstant?: () => unknown;
    toLocaleString?: (locale: string, options: Intl.DateTimeFormatOptions) => string;
}
export interface FormatOptions {
    /** BCP 47 locale tag, e.g. 'en-US', 'fr-FR', 'ar-EG'. Defaults to 'en-US'. */
    locale?: string;
    /**
     * When set on parse(), opts into the lenient split heuristic for ambiguous
     * glued numeric runs (e.g. "121" against "Md"). Default (false) keeps
     * parse()'s strict behavior — throw on ambiguity rather than guess.
     * See README "Lenient parse mode" for the heuristic and why it's opt-in.
     */
    lenient?: boolean;
}
export declare const DEFAULT_LOCALE = "en-US";
type TokenHandler = (t: TemporalLike, locale: string) => string;
export declare const TOKENS: Array<[string, TokenHandler, keyof TemporalLike]>;
export declare function onTokenTableChange(listener: () => void): void;
export declare function getEffectiveTokens(): Array<[string, TokenHandler, keyof TemporalLike]>;
export declare function registerToken(token: [string, TokenHandler, keyof TemporalLike]): void;
export declare function _resetRegisteredTokensForTesting(): void;
export {};