/**
 * Spec Snapshot Generator
 *
 * Derives a compact coverage summary from existing analysis artifacts —
 * no LLM required. Reads llm-context.json, mapping.json, and spec files
 * to produce spec-snapshot.json.
 */
import type { SpecSnapshot } from '../../types/index.js';
export declare class SpecSnapshotGenerator {
    private readonly rootPath;
    private readonly openspecRelPath;
    constructor(rootPath: string, openspecRelPath?: string);
    generate(): Promise<SpecSnapshot>;
    /** Load a previously generated snapshot, or return null if not found. */
    static load(rootPath: string): Promise<SpecSnapshot | null>;
}
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