export declare const CHAR_SETS: {
    readonly lowercase: "abcdefghijklmnopqrstuvwxyz";
    readonly uppercase: "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
    readonly numbers: "0123456789";
    readonly punctuation: ".,!?\"';:[]{}<>()\\/-_";
    readonly currency: "$€£¥¢₹₽₿";
    readonly whitespace: " \n\t";
    readonly math: "+-=×÷%^±<>≤≥≠≈∞∑∏√∫";
};