export declare const DIGIT_CHARSET = "0123456789"; export declare const LOWERCASE_CHARSET = "abcdefghijklmnopqrstuvwxyz"; export declare const UPPERCASE_CHARSET = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"; export declare const SYMBOL_CHARSET = "!\"#$%&'()*+,-./:;<=>?@[]{}^_`|~";