import { type Types } from '@cornerstonejs/core';
/**
 * @description 向视口中添加方向小人actor
 * @author jiannan.jiao
 * @date 01/11/2023
 * @export
 * @param {Types.IVolumeViewport} viewport
 */
export declare function addOrientationHumanToViewport(viewport: Types.IVolumeViewport): void;
/**
 * @description 设置视口中方向小人actor是否显示
 * @author jiannan.jiao
 * @date 01/11/2023
 * @export
 * @param {Types.IVolumeViewport} viewport
 * @param {boolean} [enabled=true]
 */
export declare function setOrientationHumanEnabled(viewport: Types.IVolumeViewport, enabled?: boolean): void;
/**
 * @description 更新视口中方向小人显示位置，用在视口尺寸变化时
 * @author jiannan.jiao
 * @date 01/11/2023
 * @export
 */
export declare function updateOrientationHumans(): void;
/**
 * @description 移除视口中的方向小人actor
 * @author jiannan.jiao
 * @date 01/11/2023
 * @export
 * @param {Types.IVolumeViewport} viewport
 */
export declare function removeOrientationHumanInViewport(viewport: Types.IVolumeViewport): void;