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import type { Edge, Node } from '../types';
/**
* Test whether an object is useable as a Node
* @public
* @remarks In TypeScript this is a type guard that will narrow the type of whatever you pass in to Node if it returns true
* @param element - The element to test
* @returns A boolean indicating whether the element is an Node
*/
export declare const isNode: <NodeType extends Node = Node>(element: unknown) => element is NodeType;
/**
* Test whether an object is useable as an Edge
* @public
* @remarks In TypeScript this is a type guard that will narrow the type of whatever you pass in to Edge if it returns true
* @param element - The element to test
* @returns A boolean indicating whether the element is an Edge
*/
export declare const isEdge: <EdgeType extends Edge = Edge>(element: unknown) => element is EdgeType;
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