import type { Graph } from '../runtime/graph';
import type { EdgeDirection, ElementType, ID } from '../types';
/**
 * <zh/> 获取指定元素在 n 度关系内的所有元素的 ID
 *
 * <en/> Get the IDs of all elements within an n-degree relationship from the specified element
 * @remarks
 * <zh/> 对于节点，0 度关系是节点本身，1 度关系包括节点的直接相邻节点和边，以此类推。
 * 对于边，0 度关系是边本身，1 度关系包括边本身及其两个端点，以此类推。
 *
 * <en/> For a node, 0-degree relationship includes the node itself; 1-degree relationship includes the node's direct neighbors and their connecting edges, etc.
 * For an edge, 0-degree relationship includes the edge itself; 1-degree relationship includes the edge and its two endpoints, etc
 * @param graph - <zh/> 图实例 | <en/> graph instance
 * @param elementType - <zh/> 元素类型 | <en/> element type
 * @param elementId - <zh/> 起始元素的 ID | <en/> start element ID
 * @param degree - <zh/> 指定的度数 | <en/> the specified degree
 * @param direction - <zh/> 边的方向 | <en/> edge direction
 * @returns - <zh/> 返回节点和边的 ID 数组 | <en/> Returns an array of node and edge IDs
 */
export declare function getElementNthDegreeIds(graph: Graph, elementType: ElementType, elementId: ID, degree: number, direction?: EdgeDirection): ID[];
/**
 * <zh/> 获取指定节点在 n 度关系内的所有元素的 ID
 *
 * <en/> Get all elements IDs within n-degree relationship of the specified node
 * @remarks
 * <zh/> 节点的 0 度关系是节点本身，1 度关系是节点的直接相邻节点和边，以此类推
 * @param direction
 * <en/> 0-degree relationship of a node is the node itself; 1-degree relationship is the node's neighboring nodes and related edges, etc
 * @param graph - <zh/> 图实例 | <en/> graph instance
 * @param startNodeId - <zh/> 起始节点的 ID | <en/> The ID of the starting node
 * @param degree - <zh/> 指定的度数 | <en/> The specified degree
 * @param direction - <zh/> 边的方向 | <en/> The direction of the edge
 * @returns - <zh/> 返回节点和边的 ID 数组 | <en/> Returns an array of node and edge IDs
 */
export declare function getNodeNthDegreeIds(graph: Graph, startNodeId: ID, degree: number, direction?: EdgeDirection): ID[];