declare const _default: {
    base64: {
        encode: (input: string) => string;
        decode: (base64Str: string) => string;
        encodeByOss: (input: string) => string;
    };
    tea: {
        TEAKey: string;
        encrypt: (v: Uint32Array, teaKey: Uint32Array) => Uint32Array;
        decrypt: (v: Uint32Array, teaKey: Uint32Array) => Uint32Array;
        toTeaKey: (str: string) => Uint32Array;
        encode: (plaintext: string, key: string) => string;
        decode: (ciphertext: string, key: string) => string;
        encodeBytes: (plainbytes: Uint8Array, key: string) => Uint8Array;
        decodeBytes: (cipherbytes: Uint8Array, key: string) => Uint8Array;
    };
    uuid: (len?: number, radix?: number) => string;
    guid: (len?: number, prefix?: boolean, sep?: string) => string;
    UUID: (mode?: "lower" | "upper", radix?: number) => string;
    uuid32: (radix?: number) => string;
    randomID: (len?: number, mode?: "lower" | "upper" | "mixin", radix?: number) => string;
    getHexString: (len: number) => string;
    keyNumber: string;
    keyLower: string;
    keyUpper: string;
    keyChars: string;
};
export default _default;