/**
 * QR Matrix Management
 */
import type { BitMatrix } from "../types/index.js";
export declare class Matrix implements BitMatrix {
    readonly size: number;
    private data;
    constructor(size: number);
    /**
     * Internal access to raw data for performance-critical operations (e.g. penalty calculation).
     */
    get _data(): Uint8Array;
    /**
     * Returns cell value (Only 0 or 1)
     */
    get(x: number, y: number): 0 | 1;
    /**
     * Checks whether a cell is "Reserved"
     */
    isReserved(x: number, y: number): boolean;
    /**
     * Sets the cell and reserves it (for functional patterns)
     */
    setReserved(x: number, y: number, isDark: boolean): void;
    /**
     * Only for data modules (Writes to unreserved areas)
     */
    set(x: number, y: number, isDark: boolean): void;
    /**
     * RFC 5.2: Returns the matrix as rows
     */
    toRows(): ReadonlyArray<Uint8Array>;
    /**
     * RFC 5.2: Returns matrix as a packed (MSB-first) byte array
     */
    toPacked(): Uint8Array;
    clone(): Matrix;
}
export declare class ReadOnlyMatrix implements BitMatrix {
    readonly size: number;
    private readonly inner;
    constructor(matrix: Matrix);
    get(x: number, y: number): 0 | 1;
    toRows(): ReadonlyArray<Uint8Array>;
    toPacked(): Uint8Array;
}