export type ErrorCorrectionLevel = 'L' | 'M' | 'Q' | 'H';
export interface QrMatrix {
    /** Edge length in modules (e.g. 21 for version 1, 177 for version 40). */
    size: number;
    /** Row-major `size * size` booleans — true = dark module. */
    modules: boolean[];
}
/**
 * Shape of the geometry `qrcode.create()` returns, so a host that has that
 * package installed can hand its output straight to the renderer.
 */
export interface QrcodeCreateResult {
    modules: {
        size: number;
        data: Uint8Array | number[];
    };
}
/** Injectable geometry provider (see {@link setQrCreate}). */
export type QrCreateFn = (value: string, options: {
    errorCorrectionLevel: ErrorCorrectionLevel;
}) => QrcodeCreateResult;
/**
 * OPTIONAL override, kept for backwards compatibility — no longer needed.
 * The shipped encoder (`uqr`) already supports versions 1–40, so there is no
 * capacity reason to swap in another library. A host that still registers the
 * npm `qrcode` package's `create` keeps working:
 *
 *   import QRCode from 'qrcode';
 *   import { setQrCreate } from '@alfadocs/ui-kit/qr-code';
 *   setQrCreate(QRCode.create);
 *
 * Pass `null` to revert to the built-in `uqr` encoder.
 */
export declare function setQrCreate(fn: QrCreateFn | null): void;
/**
 * Build the QR module matrix for `value` with `uqr` (versions 1–40), or with a
 * provider registered via {@link setQrCreate}. Returns raw module geometry
 * with no quiet zone — the component renders its own token-styled SVG.
 *
 * Throws when the value exceeds version-40 capacity at the requested level;
 * callers catch and render the empty state (see QrCode's try/catch).
 */
export declare function createQrMatrix(value: string, errorCorrectionLevel: ErrorCorrectionLevel): QrMatrix;
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