/** Supported format tokens (longest first to avoid partial matches). */
export declare const FORMAT_TOKENS: readonly ["YYYY", "YY", "MMMM", "MMM", "MM", "M", "DD", "D", "dddd", "ddd"];
export type FormatToken = typeof FORMAT_TOKENS[number];
export interface TokenizedFormat {
    parts: Array<{
        type: 'token';
        token: FormatToken;
    } | {
        type: 'literal';
        value: string;
    }>;
    hasYear: boolean;
    hasMonth: boolean;
    hasDay: boolean;
    hasWeekday: boolean;
}
export declare function tokenize(format: string): TokenizedFormat;