import type { EdgeData } from '../spec';
import type { ElementDatum, Point, Vector2, Vector3 } from '../types';
/**
 * <zh/> 判断是否为边数据
 *
 * <en/> judge whether the data is edge data
 * @param data - <zh/> 元素数据 | <en/> element data
 * @returns - <zh/> 是否为边数据 | <en/> whether the data is edge data
 */
export declare function isEdgeData(data: Partial<ElementDatum>): data is EdgeData;
/**
 * <zh/> 判断是否为二维向量
 *
 * <en/> Judge whether the vector is 2d
 * @param vector - <zh/> 向量 | <en/> vector
 * @returns <zh/> 是否为二维向量 | <en/> whether the vector is 2d
 */
export declare function isVector2(vector: Point): vector is Vector2;
/**
 * <zh/> 判断是否为三维向量
 *
 * <en/> Judge whether the vector is 3d
 * @param vector - <zh/> 向量 | <en/> vector
 * @returns <zh/> 是否为三维向量 | <en/> whether the vector is 3d
 */
export declare function isVector3(vector: Point): vector is Vector3;
/**
 * <zh/> 判断是否为点
 *
 * <en/> Judge whether the point is valid
 * @param p - <zh/> 点 | <en/> point
 * @returns <zh/> 是否为点 | <en/> whether the point is valid
 */
export declare function isPoint(p: any): p is Point;