export declare function Uint8ArrayToBase64(data: Uint8Array | ArrayBuffer): string;
export declare function base64ToUint8Array(data: string): Uint8Array;
export declare function hexToUint8Array(hex: string): Uint8Array;
export declare function Uint8ArrayToHex(uint8Array: Uint8Array): string;
export declare function stringToUint8Array(str: string): Uint8Array;
export declare function hexToBase64(hex: string): string;