export declare const ALPHABET_NUMBER = "0123456789";
export declare const ALPHABET_LOWERCASE = "abcdefghijklmnopqrstuvwxyz";
export declare const ALPHABET_UPPERCASE = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
export declare const ALPHABET_ALPHANUMERIC_LOWERCASE: string;
export declare const ALPHABET_ALPHANUMERIC_UPPERCASE: string;
export declare const ALPHABET_ALPHANUMERIC: string;
export declare const ALPHABET_BASE64: string;
export declare const ALPHABET_BASE64_URL: string;
export declare function nanoIdCustomAlphabet(alphabet: string, size?: number): (size?: number) => string;
export declare function nanoid(size?: number): string;