import type { Matrix } from "../matrix/bit-matrix.js";
import type { EccLevel, MaskId } from "../types/index.js";
export interface MaskResult {
    mask: MaskId;
    penalties: number[];
}
/**
 * Strategy for selecting the best mask pattern.
 */
export interface MaskStrategy {
    select(matrix: Matrix, ecc: EccLevel): MaskResult;
}
/**
 * Evaluates all 8 masks and picks the one with the lowest penalty.
 */
export declare const BestMaskStrategy: MaskStrategy;