import type { QrMode } from "../types/index.js";
/**
 * QR Code constants and lookup tables
 */
export declare const MIN_VERSION = 1;
export declare const MAX_VERSION = 40;
/**
 * Mode indicators (4-bit values)
 */
export declare const MODE_INDICATOR: Record<Exclude<QrMode, "auto">, number>;
/**
 * Bit lengths for Character Count Indicator based on version groups
 * Groups: 1-9, 10-26, 27-40
 */
export declare const CHAR_COUNT_INDICATOR_BITS: Record<Exclude<QrMode, "auto">, [
    number,
    number,
    number
]>;
/**
 * Version group index for Character Count Indicator
 */
export declare function getVersionGroupIndex(version: number): 0 | 1 | 2;
/**
 * Alphanumeric character set mapping
 */
export declare const ALPHANUMERIC_CHARSET = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ $%*+-./:";
/**
 * ECC Codeword tables, Alignment pattern positions, etc. will go here or in sub-files.
 * For now, defining the structure for capacity lookup.
 */
export interface EccBlockConfig {
    totalCodewords: number;
    dataCodewords: number;
    eccCodewordsPerBlock: number;
    blocksGroup1: number;
    dataPerBlockGroup1: number;
    blocksGroup2: number;
    dataPerBlockGroup2: number;
}