/** Character categories and heuristic ported directly from python-ftfy 6.3.1. */
declare const MOJIBAKE_CATEGORIES: {
    readonly common: " ­·´–—―…’";
    readonly c1: "€-Ÿ";
    readonly bad: "¦¤¨¬¯¸ƒˆˇ˘˛˜†‡‰⌐◊�ªº";
    readonly law: "¶§";
    readonly currency: "¢£¥₧€";
    readonly start_punctuation: "¡«¿©΄΅‘‚“„•‹";
    readonly end_punctuation: "®»˝”›™";
    readonly numeric: "²³¹±¼½¾×µ÷⁄∂∆∏∑√∞∩∫≈≠≡≤≥№";
    readonly kaomoji: "Ò-ÖÙ-Üò-öø-üŐŌŪŲ°";
    readonly upper_accented: "À-ÑØÜÝĂĀĄĆČĎĐĘĚĒĖĞĢİĪĶĹĽŁĻŃŇŅŒŘŚŞŠŢŤŮŰŸŹŻŽҐ";
    readonly lower_accented: "ßà-ñăąāćčďđęěēėğģįīķĺľłļœŕśşšťüźżžґfifl";
    readonly upper_common: "ÞΑ-ΩΆΈΉΊΌΎΏΪΫЁ-Я";
    readonly lower_common: "α-ωάέήίΰа-џ";
    readonly box: "│┌┐┘├┤┬┼═-╬▀▄█▌▐░▒▓";
};
declare const BADNESS_RE: RegExp;
declare function badness(text: string): number;
declare function is_bad(text: string): boolean;
/** Deprecated compatibility name from ftfy 2.x through 5.x. */
declare function sequence_weirdness(text: string): number;

export { BADNESS_RE, MOJIBAKE_CATEGORIES, badness, is_bad, sequence_weirdness };