import type { ProductGraph, GraphEdge } from '../graph/graph-types.js';
import { collectAllNodeIds } from '../graph/graph-types.js';
export interface NodeExplanation {
    readonly id: string;
    readonly kind: string;
    readonly name: string;
    readonly module: string | null;
    readonly properties: Record<string, unknown>;
    readonly incomingEdges: readonly GraphEdge[];
    readonly outgoingEdges: readonly GraphEdge[];
}
export { collectAllNodeIds };
export declare function explainNode(graph: ProductGraph, nodeId: string): NodeExplanation | null;
export declare function formatExplanation(explanation: NodeExplanation): string;
export interface DiagnosticCodeInfo {
    readonly code: string;
    readonly title: string;
    readonly phase: string;
    readonly severity: string;
    readonly description: string;
}
export declare function getDiagnosticInfo(code: string): DiagnosticCodeInfo | null;
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