/**
 * Cryptographic constants for secure random generation
 */
export declare const DEFAULT_CHARSET = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
export declare const HEX_CHARSET = "0123456789abcdef";
export declare const BASE64_CHARSET = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
export declare const ALPHANUMERIC_CHARSET = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
export declare const NUMERIC_CHARSET = "0123456789";
export declare const LOWERCASE_CHARSET = "abcdefghijklmnopqrstuvwxyz";
export declare const UPPERCASE_CHARSET = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
export declare const SPECIAL_CHARSET = "!@#$%^&*()_+-=[]{}|;:,.<>?";
export declare const FULL_CHARSET: string;