import type { Quad } from "./useEdgeDetection.js";
export interface CropCanvasHandle {
    /** Returns a canvas with the clean image (no overlay) for use with cv.imread. */
    getCleanCanvas(): HTMLCanvasElement | null;
}
interface Props {
    imageUrl: string;
    corners: Quad;
    onReady?: (canvas: HTMLCanvasElement, width: number, height: number) => void;
}
/**
 * Renders the image on a canvas with a perspective-crop overlay.
 * Exposes `getImageData()` so callers can extract pixels for off-thread processing.
 */
export declare let CropCanvas: import("react").ForwardRefExoticComponent<Props & import("react").RefAttributes<CropCanvasHandle>>;
export {};