import { ApiNode } from "./apiNode";
import { CategoryId } from "./category";
import { LayoutGraph } from "./layoutGraph";
import { Properties } from "./properties";
/**
 * Find matching Nodes with given category and properties, and update their properties.
 * If there are no matches, create a new Node in the given category
 * @param queryCategory Category to match
 * @param queryProperties Properties to match
 * @param setProperties Properties to set on matches, or on the new Node
 * @category Node
 * @since 0.0.8
 */
export declare function mergeNodes(graph: LayoutGraph, queryCategory: CategoryId, queryProperties: Properties, setProperties: Properties): ApiNode[];