declare const _default: {
    str2ab: (content?: string, base64?: boolean) => ArrayBuffer;
    ab2str: (data: ArrayBuffer, base64?: boolean) => string;
    utf8ToBase64: (str: string) => string;
    base64ToUtf8: (base64Str: string) => string;
    getRandomBytes: (length: number) => Uint8Array;
    textEncode: (text: string) => Uint8Array;
    textDecode: (buf: ArrayBufferLike) => string;
    toDataUrl: (textOrBuf: string | ArrayBuffer, contentType?: string) => string;
    md5: (input: string | Uint8Array) => string;
    md5Base64: (input: string | Uint8Array) => string;
    toBase64: (input?: string) => string;
    fromBase64: (input?: string) => string;
    bytesToBase64: (bytes: Uint8Array) => string;
    base64ToBytes: (input?: string) => Uint8Array;
    toUtf8: (content: string) => string;
    fromUtf8: (utftext: string) => string;
    toUtf8Bytes: (content: string) => Uint8Array;
    fromUtf8Bytes: (utf8Bytes: Uint8Array) => string;
    pkcs7Padding: (plaintext: Uint8Array, blockSize: number) => Uint8Array;
    pkcs7Unpadding: (ciphertext: Uint8Array) => Uint8Array;
    bytes2str: (bytes: Uint8Array) => string;
    str2bytes: (str?: string) => Uint8Array;
    str2hex: (str: string) => string;
    hex2str: (hexstr: string) => string;
    concatBytes: (...args: Uint8Array[]) => Uint8Array;
    uint32ToBytes: (uint32: Uint32Array) => Uint8Array;
    bytesToUint32: (bytes: Uint8Array) => Uint32Array;
    hex2bytes: (hex: string) => Uint8Array;
    bytes2hex: (bytes: Uint8Array) => string;
    toUint32: (str: string) => Uint32Array;
    fromUint32: (uint32: Uint32Array) => string;
    flatten: <T>(data: T[], recursive?: boolean, list?: T[]) => T[];
};
export default _default;