import type { CodeRelation } from "./edges.js";
import { type NodeId } from "./id.js";
import type { GraphNode } from "./nodes.js";
export declare class KnowledgeGraph {
    private readonly nodeById;
    private readonly edgeByKey;
    addNode(node: GraphNode): void;
    addEdge(edge: Omit<CodeRelation, "id">): void;
    hasNode(id: NodeId): boolean;
    getNode(id: NodeId): GraphNode | undefined;
    nodes(): IterableIterator<GraphNode>;
    edges(): IterableIterator<CodeRelation>;
    nodeCount(): number;
    edgeCount(): number;
    orderedNodes(): readonly GraphNode[];
    orderedEdges(): readonly CodeRelation[];
}
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