/**
 *
 *
 * @export
 * @param {string} base64
 * @return {Uint8Array} Uint8Array
 */
export declare function base64ToUint8Array(base64: string): Uint8Array;
/**
 *
 *
 * @export
 * @param {string} hex
 * @return {Uint8Array} Uint8Array
 */
export declare function hexToUint8Array(hex: string): Uint8Array;
/**
 *
 *
 * @export
 * @param {string} text
 * @return {Uint8Array} Uint8Array
 */
export declare function utf8ToUint8Array(text: string): Uint8Array;
/**
 *
 *
 * @export
 * @param {Uint8Array} array
 * @return {string} string
 */
export declare function uint8ArrayToUtf8(array: Uint8Array): string;