import type { ResearchDoc } from "../orchestrator/research-agent.js";
/**
 * Save a research document to disk as a markdown file.
 * Overwrites any existing document with the same id.
 */
export declare function saveResearch(projectRoot: string, doc: ResearchDoc): Promise<void>;
/**
 * Read a research document by id.
 * Throws if not found.
 */
export declare function readResearch(projectRoot: string, id: string): Promise<ResearchDoc>;
/**
 * List all saved research document IDs, sorted by filename.
 */
export declare function listResearch(projectRoot: string): Promise<string[]>;
//# sourceMappingURL=research-state.d.ts.map