import { Err } from "./types.js";
declare function b64ToBuf(b64: string): [Uint8Array, Err];
declare function bufToHex(buf: Uint8Array): string;
declare function bufToB64(buf: Uint8Array): string;
declare function bufToStr(buf: ArrayBuffer): [string, Err];
declare function decodeU64(u8: Uint8Array): [bigint, Err];
declare function encodePrefixedBytes(bytes: Uint8Array): [Uint8Array, Err];
declare function encodeU64(num: bigint): [Uint8Array, Err];
declare function hexToBuf(hex: string): [Uint8Array, Err];
export { b64ToBuf, bufToHex, bufToB64, bufToStr, decodeU64, encodePrefixedBytes, encodeU64, hexToBuf, };