import type { Types } from '@cornerstonejs/core';
import type { ContourSegmentationAnnotation } from '../../types/index.js';
export declare function addContourStroke(viewport: Types.IViewport, sourceAnnotation: ContourSegmentationAnnotation): void;
export declare function removeContourStroke(viewport: Types.IViewport, sourceAnnotation: ContourSegmentationAnnotation): void;