import type { GetExternalContourOptions } from '../maskAnalysis/getExternalContour.ts';
import type { Roi } from './Roi.ts';
/**
 * Finds external contour of the roi from its mask.
 * @param roi - roi to find contour from.
 * @param options - GetExternalContourOptions.
 * @returns Array of contour points.
 */
export declare function getExternalContour(roi: Roi, options?: GetExternalContourOptions): import("../index_full.ts").Point[];
//# sourceMappingURL=getExternalContour.d.ts.map