export declare function StringToUint8Array(s: string): Uint8Array;
export declare function Unit8ArrayToString(fileData: Uint8Array): string;
/**
 * copy from mipher
 */
export declare function Bin2Base64(bin: Uint8Array, url?: boolean): string;
/**
 * copy from mipher
 */
export declare function Base642Bin(base64: string): Uint8Array;
export declare function BytesJoin(a: Uint8Array, b: Uint8Array): Uint8Array;
export declare function Utf8ArrayToStr(array: Uint8Array): string;