import type { BitBuffer } from "../core/bit-buffer.js";
/**
 * Numeric Mode: 10 bit / 3 characters
 */
export declare function encodeNumeric(data: string, buffer: BitBuffer): void;
/**
 * Alphanumeric Mode: 11 bit / 2 characters
 */
export declare function encodeAlphanumeric(data: string, buffer: BitBuffer): void;
/**
 * Byte Mode: UTF-8 (Default)
 */
export declare function encodeByte(data: string | Uint8Array, buffer: BitBuffer): void;